HP XP24000 Hitachi Universal Replicator for IBM z/OS User's Guide (T5
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- HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 1
Hitachi Universal Storage Platform V Hitachi Universal Replicator for IBM® z/OS® User's Guide FASTFIND LINKS Document Organization Product Version Getting Help Contents MP-96RD625-01 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 2
ii Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 3
information becomes available, this entire document will be updated and distributed to all registered users. Hitachi Data Systems is a registered trademark and service mark of Hitachi, Ltd., and the Hitachi Data Systems design mark is a trademark and service mark of Hitachi, Ltd. All other brand or - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 4
- HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 5
USP V Storage Systems 2-7 Universal Replicator for z/OS® Software 2-7 Main and Remote Control Units 2-7 Logical DKC (LDKC 2-8 Remote Copy Connections 2-9 Initiator Ports and RCU Target Ports 2-10 Data Volume Pair 2-10 Journal Volume 2-11 The Number of Journal Volumes 2-11 Specifications of - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 6
of Pairs 3-8 Journal Group 3-11 Accessing URz Primary Data Volume and Secondary Data Volume 3-12 Cache and Nonvolatile Storage (NVS 3-12 Duplicate Volumes 3-12 Installing the Hardware 3-13 Setting up Remote Copy Connections 3-14 Enabling the URz Option(s 3-16 Using Multiple Primary and - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 7
Paths and Ports to Establish Connections among Secondary Storage Systems 3-22 Creating Remote Command Devices to Establish Connections among Secondary Storage Systems 3-22 Interoperability with Other Products and Functions 3-23 Virtual LVI 3-25 Cache Residency Manager 3-25 ShadowImage - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 8
(Add DKC 5-10 Changing Options for Logical Paths and Storage Systems 5-13 Adding Logical Paths 5-15 Viewing the Status of Logical Paths 5-17 Deleting Logical Paths 5-20 Managing SIMs 5-21 Enabling or Disabling SIM Reporting 5-21 Clearing Service Information Messages (SIMs 5-22 Managing Power - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 9
11 Changing Options for a Journal Group 6-16 Deleting a Journal Group 6-21 Splitting a Mirror (Suspending a copy operation 6-22 Restoring a Mirror (Resuming a copy operation 6-24 Deleting Data Volumes from a Mirror (Ending a copy operation 6-26 Using Extended Consistency Groups 7-1 Registering - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 10
2 Universal Replicator for z/OS® Software Error Codes 7 Checking Service Information Messages (SIMs 8 Calling the Hitachi Data Systems Support Center 11 Acronyms and Abbreviations Acronyms and Abbreviations-1 Index Index-1 x Contents Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 11
document describes and provides instructions for using the Universal Replicator for z/OS® software to configure and perform operations on the Hitachi Universal Storage Platform V (USP V) storage system. Please read this document carefully to understand how to use this product, and maintain a copy - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 12
is intended for system administrators, Hitachi Data Systems representatives, and Authorized Service Providers who are involved in installing, configuring, and operating the Hitachi Universal Storage Platform V storage system. This document assumes the following: • The user has a background in data - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 13
OS® and instructions for calling technical support. Acronyms and Abbreviations Defines the acronyms and abbreviations used in this document. Index Lists the topics in this document in alphabetical order. Referenced Documents Hitachi Universal Storage Platform V: • LUN Manager User's Guide, MK - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 14
Manager User's Guide, MK-94RD626 • Guideline for the Timeout Menu Setting When Using At-Time Split Function at Combining Universal Replicator with ShadowImage • TrueCopy for IBM z/OS User's Guide, MK-94RD623 Document Conventions The terms "Universal Storage the user or system. Example: copy source- - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 15
Storage Navigator. The Hitachi Data Systems customer support staff is available 24 hours/day, seven days a week. If you need technical support, please call: • United States: (800) 446-0744 • Outside the United States: (858) 547-4526 Preface xv Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 16
Make sure to include the document title, number, and revision. Please refer to specific section(s) and paragraph(s) whenever possible. • E-mail: [email protected] • Fax: 858-695-1186 • Mail: Technical Writing, M/S 35-10 Hitachi Data Systems 10277 Scripps Ranch Blvd. San Diego, CA 92131 Thank you - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 17
of the Hitachi Universal Replicator software and describes its features and benefits. This chapter covers the following key topics: Hitachi Universal Replicator Features Benefits Chapter 2 About Universal Replicator Operations 1-1 Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 18
with storage system-based replication while delivering resilient business continuity. Through the Hitachi RAID storage systems, Universal Replicator provides a powerful data management and recovery solution that replicates data to a variety of storage platforms at one or multiple remote sites. Data - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 19
storage management and disaster recovery in heterogeneous systems, providing maximum flexibility and support of enterprise-class environments. - Universal Replicator software supports any storage connected to a Universal Storage Platform or Network Storage Controller, permitting data to be copied - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 20
value to the cost of storage - Supports planned site outages - Keeps logging changes in the event of network problems between sites - Reduces costs-requires only one product to provide asynchronous copy across all attached storage systems • Synergy with Hitachi Business Continuity Framework - Builds - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 21
with other Hitachi software products supporting business continuity, further expanding capabilities Business Solutions Hitachi Data Systems and its Hitachi TrueNorth™ Channel Partners provide cost-effective storage products and solutions that leverage world-renowned Hitachi global R&D resources - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 22
1-6 Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 23
operations: Functionality Overview Components Remote Copy Operations Journal Processing URz Delta Resync Operation Pair Status Business Continuity Manager Support Chapter 3 Preparing for Universal Replicator z/OS Operations 2-1 Hitachi Universal Replicator for z/OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 24
, without the need for time-consuming data recovery procedures. The user-defined UR journal groups (volume groups) at the secondary site can be recovered with full update sequence consistency but behind the primary site due to asynchronous copy operations. This functionality also provides protection - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 25
journal obtain function for the update data is performed asynchronously from the time the storage system receives the update data from the host and stores the update data to the data volume. Chapter 2 About Universal Replicator Operations 2-3 Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 26
site via the dedicated fibre-channel remote copy connections using a journal volume. You can operate the URz software with the user-friendly GUI environment using the USP V URz remote console software. Note: Host failover software is required for effective disaster recovery with URz. For management - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 27
Host processor at the secondary site URz volume pair (MVS) Time stamping function Remote copy connection Disk subsystem Storage system (LDKC) CHT RCU target port RCU Copy direction SeLcdoantadary volume Initiator port Restore journal volume SVP Master journal group Internal LAN - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 28
• Remote copy connections • Initiator ports and RCU target ports • USP V URz remote console software • Host I/O time stamping function • Error reporting communications (ERC) 2-6 Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 29
site to the primary site (e.g., disaster recovery), the USP V URz software simplifies and expedites this process. Note: If the USP V Storage Navigator remote console PC is not installed, please contact your Hitachi account team for information on URz configuration services. Main and Remote Control - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 30
system from the connected primary storage system. URz operations can be performed on all LDEVs except for the USP V command device. For further information on the USP V command device, please refer to the Business Continuity Manager User and Reference Guide. Note: When you configure a URz journal - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 31
two independent remote copy connections from the primary storage system to the secondary storage system and vice versa to provide hardware redundancy for this critical communications path. Chapter 2 About Universal Replicator Operations 2-9 Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 32
port. Data Volume Pair URz performs remote copy operations for data volume pairs created by the user. Each URz pair consists of one primary data volume and one secondary data volume which can be located in different storage systems. The URz primary data volumes are the primary volumes (LDEVs - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 33
can perform and manage highly reliable remote copy operations without suspension of remote copy operations. For example: Even if a communication path between the primary storage system and the secondary storage system fails temporarily, remote copy operations can continue after the communication - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 34
storing metadata for remote copy. RAID configuration: Journal volumes support all RAID configurations that are supported by USP V. Journal volumes also support all physical volumes that are supported by USP V. Support for program products: The volumes on which Cache Residency Manager settings are - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 35
instructions on formatting volumes, please refer to the Virtual LVI/LUN and Volume Shredder User's Guide. Note that you do not need to format the volume if you want to register the deleted volume as a journal volume again. Access manages the journal data is Users can use a Storage Navigator - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 36
to refer to an extended consistency group for primary storage systems. This manual also uses the term "secondary EXCTG" to refer to an extended consistency group for secondary storage systems. To perform remote copy operations between more than one primary storage system and more than one secondary - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 37
extended consistency group Specifications Up to four per one storage system Up to 16 The following explains by taking the following steps. The following procedure guarantees consistency of data update sequence within an Operations Hitachi Universal Replicator for IBM /OS User's Guide 2-15 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 38
volumes Time Stamps of Data that Have Not Been Restored to Secondary Data Volumes 2-16 Consistency time: In the URz windows, consistency times of extended consistency groups, 14:03. Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 39
Note: If the system at the primary and/or secondary site consists of several CPU complexes, a SYSPLEX timer is required to provide a common time reference for the I/O time-stamping function. Chapter 2 About Universal Replicator Operations Hitachi Universal Replicator for IBM /OS User's Guide 2-17 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 40
, depending on your installation requirements and standards. Neither URz nor the URz remote console software provides ERC between the primary and secondary sites. When URz is used as a data migration tool, ERC is recommended but is not required. When URz is used as a disaster recovery tool, ERC is - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 41
storage system. After that, the base-journal data is restored from the journal volume to the secondary data volume. The initial copy operation will finish when all base-journals are restored. Chapter 2 About Universal Replicator Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 42
update journal. The update journal will be copied to the secondary storage system, and then restored to the secondary data volume. The primary storage system obtains update data that the host 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 43
group-based operations to simplify and expedite disaster or failure recovery procedures: • Group operations at the primary storage system - Split all pairs in a journal group. See section Splitting a Mirror (Suspending a copy operation) for a description of the Suspend RangeGroup suspend pair - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 44
Mirror (Ending a copy operation) for a description of the Delete Range-Group delete pair option. • Group operations at the secondary storage allows write access to storage system. 2-22 Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 45
pair is resumed (Resume Pair), the primary storage system merges the primary data volume and secondary data volume bitmaps, and the differential data is copied to the secondary data volume. Chapter 2 About Universal Replicator Operations Hitachi Universal Replicator for IBM /OS User's Guide 2-23 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 46
metadata information (associated control information), which enables the secondary storage system to maintain update cache or the journal volume. Table 2-3 Metadata Information Type Journal type LDEV No. (data) Original data storing position LDEV Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 47
data that is transferred from a primary storage system according to the read journal command. The journal data will be stored into the cache at first, and then into the journal volume. Chapter 2 About Universal Replicator Operations Hitachi Universal Replicator for IBM /OS User's Guide 2-25 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 48
data which has the lowest sequence number, and then settles this journal data. 3. The secondary storage system repeats steps (1) and (2) to select and settle the journal data. 2-26 Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 49
settled. The journal data selected by the secondary storage system is marked as "host-dirty" and cache The journal data is copied to the corresponding cached track and promoted to formal data. Chapter 2 About Universal Replicator Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 50
journal volume to cache. The journal data that is read to cache is copied to the existing cache track and Business Continuity Manager to use the TCz Synchronous secondary site as the primary site. If you perform a delta resync operation after the TCz Synchronous secondary site becomes a primary site - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 51
journal copy journal restore secondary dataVOL master JNL VOL restore JNL VOL primary subsystem Copying by TCz Synchronous TCz Synchronous secondary site secondary Occurs) As shown in Chapter 2 About Universal Replicator Operations Hitachi Universal Replicator for IBM /OS User's Guide 2-29 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 52
site by using Business Continuity Manager, then perform the delta resync operation on the primary data volume of the URz pair in Hold status. The following figure shows an example. 2-30 Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 53
master JNL VOL TCz Synchronous primary site B (former secondary site) restore JNL VOL secondary subsystem journal copy primary host (former secondary host) Write After Failure Occurred) Chapter 2 About Universal Replicator Operations Hitachi Universal Replicator for IBM /OS User's Guide 2-31 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 54
In Figure 2-8, because a failure occurs in the primary site A, Business Continuity Manager is used to change the former TCz Synchronous secondary site to the primary site B. If you perform delta resync operation in this situation, the URz pair for delta resync operation in Figure 2-7 will be - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 55
data volume status accordingly. You can display the detailed pair status information at the Storage Navigator remote console PC (URz Pairdisplay window) or at the host processor (Business Continuity Manager Pairdisplay command). A volume which is not assigned to a URz data volume pair has the - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 56
may not be active at the primary site. - This URz pair status describes: • URz suspend types (see the next section), • URz suspension condition (see section Suspension Condition). Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 57
initial copy operation for this pair is in progress. This data volume pair is not yet synchronized. When the initial copy is status information displayed at the secondary storage system for disaster recovery. Hold Hlde The pair is prepared Hitachi Universal Replicator for IBM /OS User's Guide 2-35 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 58
the initial copy operation is complete. The user must suspend a URz pair in order to perform ICKDSF maintenance on the primary data volume or to access the secondary data volume (read only mode). When a URz pair is suspended by the user, the primary storage system and secondary storage system ensure - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 59
update copy. In this case, the secondary data volume suspend type is usually By MCU. The primary storage system could not find valid control information in its nonvolatile memory during the IMPL procedure. This condition occurs only if the primary storage system is completely without power for - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 60
pairs are suspended. See section General Troubleshooting for troubleshooting information for URz suspension conditions. Table 2-7 URz Suspension Condition Suspension Condition The secondary storage system could not copy the journal data successfully due to a hardware failure or logic error. The - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 61
, monitor the pair status, add DKC, and delete DKC. Table 2-8 and Table 2-9 explain the USP V system adapter ID(SAID) values. For further information and instructions on Business Continuity Manager, please refer to the Business Continuity Manager User's Guide. Chapter 2 About Universal Replicator - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 62
the PATH LINK Parameter (FRONT CL1) Package Port Location SAID Package Port Location SAID Package Port Location SAID Package Port Location SAID 1E (Basic) 1F (Add1) 00A1' 2-40 Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 63
PATH LINK Parameter (REAR CL2) Package Port Location SAID Package Port Location SAID Package Port Location SAID Package Port SAID Location 2Q (Basic) CL2-A ' X'00D6 ' X'00F6' X'0097 ' Chapter 2 About Universal Replicator Operations 2-41 Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 64
for an open system. The command device for Business Continuity Manager can be set only from Business Continuity Manager. For information about Business Continuity Manager, please refer to the Business Continuity Manager User Guide and Reference. 2-42 Chapter 3 Preparing for Universal Replicator - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 65
Navigator to find the command device for Business Continuity Manager. To find the command device, click File, and Basic Information on the menu bar of the Storage Navigator main window, and then select the LDEV tab in the Basic Information Display window. For detailed information on the Basic - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 66
2-44 Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 67
primary and secondary storage systems, the remote copy connections between the primary \secondary storage systems, and the host(s) at the primary and secondary sites, as well as the licensed URz remote console software: Requirements and Restrictions for URz Installing the Hardware Enabling the - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 68
the remote copy connections between the primary storage systems and secondary storage systems, the host(s) at the primary and secondary sites, and the licensed URz remote console software. The URz system requirements are: • primary storage system: USP V storage system with URz installed. • secondary - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 69
are required for each USP V storage system. For further information on USP V Storage Navigator operations, please refer to the Storage Navigator User's Guide, or contact your Hitachi account team. Note: Administrator or URz write access to the USP V Storage Navigator Java applet program is required - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 70
Format URz supports the following requirements on the disk track format, which must be ensured by the user. URz cannot detect exceptions to these requirements. The primary storage system will abort the URz initial copy operation if the track format for both the primary data volume and secondary - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 71
to prevent system problems related to duplicate the volumes that will not be accessed by the host system. 2. DKC and DKU emulation types can be used for the URz software. Table 3-1 Supported Emulation Types Emulation DKC DKU (Drive) Support Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 72
of one RAID group. Note: The default capacity of an OPEN-V volume is the same as the capacity of a RAID group, and depends on the hard disk drive type and the RAID configuration. 3-6 Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 73
URz remote console software displays the emulation type of the primary data volumes and secondary data volumes. URz supports the Virtual LVI/LUN feature of the USP V storage system, which allows you to configure custom-size LDEVs which are smaller than standardsize LDEVs. When custom-size LDEVs are - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 74
Support specifications RAID1, RAID5, and RAID6 can coexist. RAID1, RAID5, and RAID6 can coexist in the same journal group. The Maximum Number of Pairs Note: The number of pairs that can be created in a storage Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 75
Bitmap Areas of Storage System No additional shared memory for URz Additional shared memory for URz is installed Extension 1 Extension 2 Extension 3 Extension 4 0 7,424 16,384 32, 3 Preparing for Universal Replicator z/OS Operations 3-9 Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 76
volume Additional shared memory for URz is installed Extension 1 7,420 7,420 7,420 7,420 7,420 7,420 16,384 16,384 16,384 16,384 16,384 16,384 Maximum number of pairs Extension 2 Extension Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 77
group Number of journal volumes in a journal group Number of Mirror IDs Support specifications Up to 256 journal groups (No. 0 - 255) per one disk subsystem Note: The recommended number of journal groups is up to 16. Up to 4,096 Up to 64 Up to 4 (ID No.: 0 to 3) Note: If TCz Sync. uses No. 0, No - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 78
of a URz data volume pair. If not, the URz add pair operation will fail. The remote storage system cache should be configured to adequately support not only the local workloads but also the URz remote copy workloads. Duplicate Volumes Since the contents of the primary data volume and secondary data - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 79
storage systems. 6. Hitachi Representative: Install the URz remote copy connections between the primary storage system(s) and secondary storage system(s). This hardware (optical fibre cables, switches, etc.) is supplied by the user. See section Setting up Remote Copy Connections for remote copy - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 80
storage system provides three different configurations: - Direct connection (see Figure 3-2), - Switch connection (see Figure 3-3), - Extender connection (see Figure 3-4). 3-14 Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 81
MCU NL_Port *1 Host (Secondary) RCU Initiator port RCU target port Ordinary fibre-channel interface port (target port) *1 Fabric OFF * To set ports, use LUN Manager and set port topology to: Fabric off, FC-AL. Figure 3-2 Direct Remote Copy Connections Host (Primary) NL_Port Max. 2 switches - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 82
to the Storage Navigator User's Guide, or contact your Hitachi Data Systems account team. Using Multiple Primary and Secondary Storage Systems System configuration of up to four primary storage systems and up to four secondary storage systems is allowed for URz operations. URz can copy data from - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 83
site Secondary site Journal group 1 Journal obtain Primary data volume Journal group 1 Journal restore according to time stamps External port Journal copy Secondary data volume External port Master JNL VOL Primary storage Operations Hitachi Universal Replicator for IBM /OS User's Guide 3-17 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 84
manual, the term "supervisor DKC" is used to refer to the storage system that performs arbitration processing. Also, the term "subordinate DKCs" is used to refer to the storage systems that are controlled by the supervisor DKC z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 85
add time stamps) (2) Primary site Secondary site (1) (3) Primary data volume External port (5) Secondary data (4) volume Master JNL VOL Primary storage system 1 Restore JNL VOL Secondary storage system 1 (1) (3) Primary data volume Target port (5) Secondary data (4) volume Master - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 86
PCs must be installed in both of these sites. Also, storage system settings must be made so that Business Continuity Manager can be used. For detailed information about settings required for using volumes in a remote site, please refer to Business Continuity Manager User's Guide. Up to four - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 87
and ports. Also, you must create remote command devices by using Universal Volume Manager. The following figure is an example of connections among secondary storage systems. A' Remote command device External port B' Remote command device External port Supervisor DKC (Secondary storage system - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 88
storage system 1 has external ports, each of which is connected with a target port on the secondary storage system 2 and 3. For details on external ports, please refer to the Universal Volume Manager User's Guide. For details on configuring paths, please refer to the LUN Manager User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 89
? Volumes? Can the Volumes be Used as Journal Volumes? LUN Expansion (LUSE) LUSE volume No. No. No. ShadowImage for No. No. T-VOL No. No. No. Concurrent Copy Concurrent Copy volume Yes. No. No. Compatible XRC Compatible XRC Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 90
No. No. No. mainframe and open systems Cache Residency Manager The volume on which Cache Yes. Yes. Yes. Residency Manager setting are made Compatible PAV Compatible PAV Yes Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 91
VOL using the T-VOL's LDEV ID in the host command. The SIz remote console software displays the port, TID, LUN, LDEV ID and SIz pair status of all T-VOLs associated with a S-VOL. Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide 3-25 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 92
2 or more SIz pair status for the pair whose S-VOL has the lowest LDEV ID 1 0 URz pair status 1 1 URz pair status 1 2 or more in case of a URz failure, and to use URz to provide remote backup of the SIz S-VOL in case of a SIz failure. Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 93
journal volume size is small, the URz pair may be suspended by failure because of the shortage of the capacity of its journal volume. Business Continuity Manager allows you to set the starting time of backup copy to journal groups. In the above configuration, if you set the starting time of backup - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 94
and the SIz S-VOL is damaged in Figure 3-11, take the following steps to copy data from the URz secondary data volume to the SIz S-VOL so that data can be restored to the SIz S-VOL: 1. Execute the Business Continuity Manager YKDELETE command on the SIz pair to release the pair (see Figure 3-12 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 95
Execute the Business Continuity Manager YKMAKE command on the SIz pair to perform copying in the reverse direction (see Figure 3-16). 6. Execute the Business Continuity Manager YKDELETE command for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide 3-29 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 96
3-16 Restoring a SIz S-VOL - Step 5 T-VOL SIz URz Primary data volume (suspended) S-VOL MCU Master journal volume Secondary data volume (suspended) Restore journal volume RCU Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 97
status MCU Master journal volume Secondary Restore journal data volume volume RCU Figure 3-20 Restoring a SIz S-VOL - Step 9 Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide 3-31 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 98
up copy at 12:00 Figure 3-21 Overview of Split Operation The At-Time Split function has the following restrictions when URz and ShadowImage for z/OS® are used in conjunction: • The At-Time Split function can be executed by Business Continuity Manager, but cannot be executed by Storage Navigator - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 99
-Time Split Function at Combining Universal Replicator with ShadowImage. For details on how to specify a timeout value, please refer to the Business Continuity Manager™ User's Guide. Note: If you use the At-Time Split function when combining URz with SIz, note the following: Chapter 3 Preparing for - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 100
cascading configuration during disaster recovery operation, the At- the Business Continuity Manager™ User's Guide. USP V storage system provides site stores data that has been stored in the primary site even when a failure occurs in the primary site. These intentions will be fulfilled if remote copy - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 101
Secondary data VOL Restore Secondary JNLVOL site 3DC Cascading Configuration (Combining URz with TCz) Data that is copied by TCz Synchronous is stored in the URz primary data volume. If a failure occurs at the TCz Synchronous M-VOL, business tasks can continue by using data in the URz secondary - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 102
=Y (ALL))). If this fence level is specified, you can perform disaster recovery by using the URz secondary data volume that contains the data stored in the TCz Synchronous M-VOL. 3-36 Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 103
a remote site, please refer to Business Continuity Manager User's Guide. Setup Procedure This section explains the procedure for setting up a 3DC cascading configuration using TCz Synchronous and URz. To set up a 3DC cascading configuration: 1. Install TCz Synchronous and URz. Configure ports and - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 104
below. Business Continuity Manager is used in this procedure: 7. Stop business tasks at the secondary site. 8. If the disaster recovery operation (as explained in section Disaster Recovery in a 3DC Cascading Configuration) could not change the URz pair status to Duplex and could not reverse the copy - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 105
site. The system returns to the status before the 3DC cascading configuration was set up. For detailed information about Business Continuity Manager usage and copy statuses, please refer to Business Continuity Manager User's Guide. TCz Synchronous (3DC Multi-target Configuration) The USP V storage - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 106
the URz pair for delta resync operation, you can resynchronize the URz pair by using journal data in the TCz Synchronous secondary site when a failure occurs in the primary site. 3-40 Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 107
journal volume - If you use Business Continuity Manager, you need to make settings on the storage system. Please refer to the Business Continuity Manager User's Guide for information about settings required for volume operations in remote sites. Chapter 3 Preparing for Universal Replicator - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 108
system. Please refer to the Business Continuity Manager User's Guide for information about settings required for volume operations in remote sites. USP V storage system in the UR secondary site: - The USP V storage system must have URz installed. - The USP V storage system must have a URz secondary - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 109
about installing and using TCz Synchronous, please refer to the TrueCopy for IBM z/OS User's Guide. For detailed information about URz journal group configuration, see section Journal Group Operations. For detailed information about port configuration, see section Configuring Port Attributes - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 110
the Business Continuity Manager YKSUSPEND REVERSE command and YKRESYNC REVERSE command are executed. • Secondary data volume uses two mirror IDs; the the failure occurred at the primary site right after the recovery of TCz Synchronous or URz pair, only a part of the differential data between the - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 111
has not been performed to reverse the primary volume and the remote volume of the TCz Synchronous pair (i.e., if the pair is suspended), use Business Continuity Manager to execute the YKRESYNC command, so that the copy direction of the TCz Synchronous pair will be reversed. Note: YKRESYNC - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 112
below. Business Continuity Manager is used in this procedure: 1. Stop business tasks at the TCz Synchronous secondary site. 2. Use Business Continuity Manager to execute the YKSUSPND FORWARD command to the TCz Synchronous pair. Note: YKSUSPND is a command for splitting a pair and stopping the copy - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 113
-target configuration, you can transfer your business tasks back to the primary site. To transfer your business tasks back to the primary site, follow the procedure below. Business Continuity Manager is used in this procedure: 1. Use Business Continuity Manager to execute the YKDELETE command on - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 114
is used in this procedure: 1. If the TCz Synchronous pair is suspended, use Business Continuity Manager to execute the YKRESYNC REVERSE command on the current TCz Synchronous pair. Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 115
command on the TCz Synchronous pair. TCz Synchronous pair will be split and the copy operation stops temporarily. 4. Use the main volume in the primary site to resume your business tasks. 5. Use Business Continuity Manager to execute the YKRESYNC FORWARD command on the TCz Synchronous pair. The - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 116
2: Create a URz delta resync pair that extends from the primary site to the URz secondary site. For information about requirements for creating the pair, see section 3.8.5.3. 3-50 Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 117
secondary site, you need to remove failures from the primary site and the TCz Synchronous secondary site, so that you will be able to transfer business tasks back to the primary site. Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 118
back to the primary site, follow the procedure below. Business Continuity Manager is used in this procedure: 1. Use Business Continuity Manager to execute the YKDELETE command on the TCz Synchronous pair. Note: YKDELETE is a command for releasing a pair. 2. Reverse the copy direction of the URz - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 119
pair and stopping the copy operation temporarily. 5. Use the primary volume in the primary site to resume your business tasks. 6. Use Business Continuity Manager to execute the YKRESYNC 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide 3-53 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 120
TCz Synchronous secondary site JNLVOL Sec. data VOL Restore URz JNLVOL secondary site Figure 3-30 Transferring Business Tasks from the URz Secondary Site to the Primary Site 3-54 Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 121
primary storage system goes through two phases; in one phase the data transfer speed remains almost unchanged, and in another phase the data transfer speed increases temporarily. Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide 3-55 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 122
the primary storage system and the secondary storage system indicates transfer speed of journal data between the primary storage system and the secondary storage system. . 3-56 Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 123
and the secondary storage system are stopped temporarily, all the data transferred from hosts to the primary storage system will be stored as journal data in journal volumes. Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide 3-57 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 124
system and the secondary storage system, please assign 0 (zero) to VM-R. The total capacity of journal volumes in each journal group must exceed the value illustrated above. 3-58 Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 125
occurs and the data transfer speed between the primary storage system and the secondary storage system is exceeded, the excess data will be stored temporarily in journal volumes. Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide 3-59 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 126
URz can execute remote copy operations in a system configuration that USP V and TagmaStore USP/NSC is connected. Specifically, the following configurations are supported. 3-60 Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 127
to SVP is the is five-digit alphanumeric value. The serial number for LDKC00 and the serial number for the storage system is the same. Note: The default value for mode XXX is OFF. Logical Storage System (LDKC) that Can be Connected to TagmaStore USP/NSC When you execute remote copy by connecting - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 128
between 00:00 to 3F:FF. Note: 16,384 volumes of LDKC00 (The CU:LDEV number is between 0000 to 3FFF) can be used as volume pairs or remote command devices in the current version. 3-62 Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 129
on connections between the primary storage system and the secondary storage system, see the previous section. • Mixture of USP V and TagmaStore USP/NSC secondary storage systems Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide 3-63 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 130
storage systems. However, note that the specifications of the extended consistency groups differ depending on whether the supervisor DKC is USP V or TagmaStore USP/NSC. The specifications 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 131
Figure 3-35 Examples of Configurations where TagmaStore USP/NSC is used as the Subordinate DKC - When the supervisor DKC is TagmaStore USP/NSC and the subordinate DKCs are USP V Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide 3-65 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 132
DKC of the secondary storage system is TagmaStore USP/NSC and the subordinate DKCs are DKC is TagmaStore USP/NSC, even if the number of LDKCs is expanded in a future version. 3-66 Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 133
(can be registered) Configuration example 2 (cannot be registered) Figure 3-36 Example Configuration Where TagmaStore USP/NSC can and cannot be specified as the supervisor DKC Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide 3-67 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 134
3-68 Chapter 3 Preparing for Universal Replicator z/OS Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 135
user interface: Journal Operation Window Pair Operation Window DKC Operation Window Usage Monitor Window History Window Optional Operation Window EXCTG Operation Window Chapter 5 Configuring Storage Systems and Logical Paths 4-1 Hitachi Universal Replicator for z/OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 136
Web browser to display the storage device list. In the storage device list, select the storage system to log in. Enter a user name and the password, and then click OK. The Storage Navigator main window is displayed. Note: For detailed instructions Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 137
displays journal groups in the local storage system. - Registered: When you mirror IDs, information about the data volume which belongs to the journal group whose mirror ID volumes are registered. For instructions on how to register journal Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 138
of a journal group in the local storage system. Initial A journal group in initial mirror is in progress. The primary data volume and the secondary data volume are not synchronized. 4-4 Chapter 4 Using the Universal Replicator for z/OS GUI Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 139
group is neither Master nor Restore. - Controller ID: Indicates the controller ID (model name that indicates the model) of the remote storage system. This column is blank if the Chapter 4 Using the Universal Replicator for z/OS GUI 4-5 Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 140
the changes are applied to storage systems. If you are to split mirrors and restore mirrors. - Operation mirror Resume Pair Restore a mirror Delete Pair Delete a mirror in the Preview list to the storage systems. • Cancel: Cancels on the menu bar of the Storage Navigator main window. 4. Select - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 141
Web browser to display the storage device list. In the storage device list, select the storage system to log in. Enter a user name and the password, and then click OK. The Storage Navigator main window is displayed. Note: For detailed instructions Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 142
list. • List: Displays volumes in the local storage system. One row represents one volume. By default, information in the list is arranged in order of port numbers. For volumes with more than one path 4 Using the Universal Replicator for z/OS GUI Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 143
volumes in the local storage system. The icons are LDEV number. For detailed information about external volumes, please refer to the Universal Volume Manager User's Guide. - Status: Indicates status of volume pairs Simplex The volume is not currently assigned to a pair. When the initial copy - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 144
volume in the local storage system is neither a primary data volume nor a secondary data volume. Note: If a volume is an external volume, the symbol "#" appears after the LDEV number. For detailed information about external volumes, please refer to the Universal Volume Manager User's Guide. Note: If - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 145
a request to start the creating pair operation. 3. The creating pair operation is started according to the conditions of initial copy priority and maximum initial copy activities. Chapter 4 Using the Universal Replicator for z/OS GUI Hitachi Universal Replicator for IBM /OS User's Guide 4-11 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 146
creating pair operation (i.e., the progress of the creating pair operation reaches 100%). Copy Time on the History window shows the amount of time that has been needed to the storage systems. Chapter 4 Using the Universal Replicator for z/OS GUI Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 147
system to log in. Enter a user name and the password, and then click OK. The Storage Navigator main window is displayed. Note: For detailed instructions on this step, please refer to Storage Navigator User's Guide. b. Click Go, Universal Replicator for z/OS and then DKC Operation on the menu bar of - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 148
and the logical paths. If you select Port, the DKC Operation window displays information about ports on the local storage system. • Tree: Lists either of the following: - remote storage systems - channel adapters on the local storage system and port attributes • List: Displays one of the following - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 149
Figure 4-5 Remote Storage System Information in the DKC Operation Window • Tree: Lists the remote storage systems at each of the LDKCs of the local storage systems. The following information appears to the right of the icon of the remote storage system: - controller ID of a remote storage system - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 150
- Controller ID displays the controller ID and the model name of the storage system of a remote storage system. The controller ID is a storage system family ID of a storage system. The icon indicates the status of logical paths between the local storage system and the remote storage system: All the - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 151
logical path Failed A failure occurs at the logical path. • Port: Indicates a port number of the local storage system. • Pair-Port: indicates a port number of the remote storage system. Chapter 4 Using the Universal Replicator for z/OS GUI Hitachi Universal Replicator for IBM /OS User's Guide 4-17 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 152
: Lists channel adapters and ports on the local storage system. The following information appears to the right of the icon: The icons are: channel adapter (Fibre Channel interface) target port Chapter 4 Using the Universal Replicator for z/OS GUI Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 153
initiator, target, RCU target, external, or initiator/external) - PCB Mode displays the mode of the port. The mode is either Standard, High or MIX. - Error Code displays an error code. Chapter 4 Using the Universal Replicator for z/OS GUI Hitachi Universal Replicator for IBM /OS User's Guide 4-19 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 154
been started: a. Use your Web browser to display the storage device list. In the storage device list, select the storage system to log in. Enter a user name and the password, and then click OK. The Storage Navigator main window is displayed. Note: For detailed instructions on this step, please refer - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 155
been started: 1. Use your Web browser to display the storage device list. In the storage device list, select the storage system to log in. Enter a user name and the password, and then click OK. The Storage Navigator main window is displayed. Note: For detailed instructions on this step, please refer - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 156
completed. Note: When the updating process is in progress, the checking process automatically continues until the updating process finishes. The updating process is checked at ten-second Chapter 4 Using the Universal Replicator for z/OS GUI Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 157
storage system. Status Change by MCU(Pending to Simplex): The status of the data volume pair was changed from Pending to Simplex because of an operation from the primary storage system. Chapter 4 Using the Universal Replicator for z/OS GUI Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 158
the primary storage system. the primary storage system. Status secondary storage system. secondary storage system. the secondary storage system. at the secondary storage system. The the secondary storage system. The the secondary storage system. the primary storage system. the primary storage system. - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 159
remote storage system. The number to the left of the colon (:) is the CU number. The number to the right of the colon is the LDEV number. - EXCTG: The extended consistency group number. This column is blank if the volume does not belong to any extended consistency group. If the Business Continuity - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 160
the number of operations exceeds 16,384, the Previous and Next buttons allows you to display the remaining operations. The Next button allows you to display the next 16,384 operations. 4-26 Chapter 4 Using the Universal Replicator for z/OS GUI Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 161
been started: c. Use your Web browser to display the storage device list. In the storage device list, select the storage system to log in. Enter a user name and the password, and then click OK. The Storage Navigator main window is displayed. Note: For detailed instructions on this step, please refer - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 162
service information messages) and UR SIMs from the connected storage system • List: displays storage storage system. If you select the Apply button, the changes will be applied to the storage Preview list to the storage system. • The Cancel the menu bar of the Storage Navigator main window. 4. Select - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 163
been started: a. Use your Web browser to display the storage device list. In the storage device list, select the storage system to log in. Enter a user name and the password, and then click OK. The Storage Navigator main window is displayed. Note: For detailed instructions on this step, please refer - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 164
Figure 4-11 EXCTG Operation Window The EXCTG Operation window displays the following: • Tree: Lists extended consistency groups. 4-30 Chapter 4 Using the Universal Replicator for z/OS GUI Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 165
Extended consistency group, in which journal groups are registered Controller IDs, model names and serial numbers of disk subsystems Extended consistency groups, in which no journal group is registered Figure 4-12 Tree of the EXCTG Operation Window - Registered: When you select this item, - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 166
be displayed in the Preview list. • Apply: Applies settings in the Preview list to the storage systems. • Cancel: Cancels settings in the Preview list. Note: Information on the EXCTG Operation 4 Using the Universal Replicator for z/OS GUI Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 167
consistency group in primary site (primary EXCTG). An extended consistency group in secondary site (secondary EXCTG) This copy operation is performed when hosts do not issue any I/O request. Chapter 4 Using the Universal Replicator for z/OS GUI Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 168
number. • Cmd. Dev.: Indicates a remote command device. The number on the left of the colon (:) is a CU number. The LDKC number, the CU number and the LDEV number are displayed. 4-34 Chapter 4 Using the Universal Replicator for z/OS GUI Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 169
15 Storage Systems in the EXCTG Operation Window • JNLG: Indicates journal group numbers. A journal group number is a two- digit hexadecimal number. • Mirror ID: Indicates the mirror ID of 4 Using the Universal Replicator for z/OS GUI Hitachi Universal Replicator for IBM /OS User's Guide 4-35 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 170
4-36 Chapter 4 Using the Universal Replicator for z/OS GUI Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 171
Deleting Logical Paths Managing SIMs Managing Power for Storage Systems and Network Relay Devices Removing the Relationship Between the Primary and the Secondary Storage Systems Chapter 5 Configuring Storage Systems and Logical Paths 5-1 Hitachi Universal Replicator for z/OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 172
to as the secondary site. When performing system configurations for remote copy operations, the primary site administrator and the secondary site administrator must do the following: • The primary site administrator must configure some of the ports on the primary storage system to connect hosts - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 173
on USP V Storage Navigator installation and operations, please refer to the Storage Navigator User's Guide, or contact your Hitachi Data Systems account team. Operate at a primary storage system and a secondary storage system. Note: You must log in with Administrator or URz write access, and you - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 174
volume pairs. 6. With the remote command devices created in step 4, use the supervisor DKC to register journal groups of secondary storage systems in an extended consistency group. 5-4 Chapter 5 Configuring Storage Systems and Logical Paths Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 175
to the Universal Volume Manager User's Guide. Note: If initiator ports and RCU target ports are not configured on both primary and remote storage systems, the following problem will occur and remote copy operations will not be performed: • The administrator at the primary site will be unable to - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 176
about how to do this, please refer to Storage Navigator User's Guide. 2. Ensure that the DKC Operation window is displayed. 3. In Display, select Port. The tree displays channel adapters in the local storage system and port attributes. 4. Do either of the following: - Select a channel - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 177
WARNING: Read and follow the important warnings and caution above before applying the port attribute changes. 8. Select Apply to apply port attribute changes to the storage system. Chapter 5 Configuring Storage Systems and Logical Paths 5-7 Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 178
and then select Error Detail. An error message appears and gives you detailed information about the error. Figure 5-1 Storage System Option Settings in the Optional Operation Window 5-8 Chapter 5 Configuring Storage Systems and Logical Paths Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 179
128 can be specified. The default setting is 64 volumes. Maximum Initial Copy Activities can impact the performance of the primary storage system, depending on the amount the settings. Chapter 5 Configuring Storage Systems and Logical Paths 5-9 Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 180
TagmaStore USP/NSC. - the controller ID of the remote storage system (model name that indicates the model) Note: The controller ID for a USP V storage system is 5(USP V). - the path group ID Chapter 5 Configuring Storage Systems and Logical Paths Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 181
Up to 64 path group IDs can be registered per storage system. Note: In the current version, the path group IDs always take the default values and cannot be changed. 8. In the Add DKC window, select a primary storage system port and a remote storage system port to configure a logical path. 9. Select - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 182
clear the Default check box. The number of path group IDs per one remote storage system is always 1. • M-R Path: allows you to specify logical paths from initiator ports on the local storage system to RCU target ports on the remote storage system. • Port: displays a list of initiator ports on the - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 183
system and the corresponding remote storage system. Note: DKC is an acronym for disk controller, which controls an entire storage system. URz windows use the word "DKC" to indicate a storage system. To change logical path options and storage system options, follow the procedure below. Not only the - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 184
system is complete. The RIO MIH time value must be from 10 to 100 seconds. The default setting is 15 seconds. Note: RIO MIH is an acronym for remote I/O missing interrupt handler. 5-14 Chapter 5 Configuring Storage Systems and Logical Paths Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 185
do this, please refer to Storage Navigator User's Guide. 3. Ensure that the DKC Operation window is displayed. 4. In Display, select DKC. 5. Do either of the following: In the tree, select a remote storage system. In the list, select and right-click a remote storage system and then select Edit Path - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 186
-A. You can use uppercase and lowercase letters. • Set: closes the Add Path window and adds the settings to the Preview list. • Cancel: cancels the settings. 5-16 Chapter 5 Configuring Storage Systems and Logical Paths Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 187
DKC Status from the pop-up menu. The DKC Status window appears (Figure 5-6). - If a remote storage system is selected in the list, the DKC DKC status window. Figure 5-6 DKC Status Window Chapter 5 Configuring Storage Systems and Logical Paths Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 188
port on the local storage system - Pair-Port: indicates a port on the remote storage system. • S/N: indicates the serial number and LDKC number of the remote storage system. • Controller ID: displays the controller ID (model name that indicates the model) of the remote storage system. • Path Gr. ID - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 189
remote storage system is not an RCU target port. Communication Failed A communication timeout error has occurred on the path between the primary and the secondary storage systems. Chapter 5 Configuring Storage Systems and Logical Paths Hitachi Universal Replicator for IBM /OS User's Guide 5-19 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 190
do this, please refer to Storage Navigator User's Guide. 2. Ensure that the DKC Operation window is displayed. 3. In Display, select DKC. 4. Do either of the following: - In the tree, select a remote storage system. - In the list, select and right-click a remote storage system and then select Edit - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 191
service information messages) to hosts, or prevent CUs from reporting SIMs to hosts. For detailed information about SIMs, see 0. To change whether CUs can report SIMs to hosts: 1. Ensure that the Storage Storage Systems and Logical Paths Hitachi Universal Replicator for IBM /OS User's Guide 5-21 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 192
User's Guide. 2. Ensure that the Optional Operation window is displayed. 3. Select Clear SIM at the upper right corner of the window. A message appears and asks whether you want to delete SIMs. 4. Select Yes to delete SIMs. 5-22 Chapter 5 Configuring Storage Systems and Logical Paths Hitachi - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 193
Managing Power for Storage Systems and Network Relay Devices This appendix explains power management for storage system s and network relay devices during remote copy operations. In particular, this appendix discusses the following: • What happens when power is removed from storage systems or - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 194
or network relay devices intentionally. When You Power Off the Primary Storage System If you want to power off the primary storage system during remote copy operations, you must ensure, before powering off the storage system, that all data volume pairs or mirrors (i.e., pairs of journal groups) are - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 195
suspended according to a failure. When You Power Off the Secondary Storage System If you want to power off the secondary storage system during remote copy operations, you must ensure, before powering off the storage system, that all data volume pairs or mirrors (i.e., pairs of journal groups) are - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 196
on the primary storage system yet. 4. Power off the secondary storage system as described previously. 5. Power on the secondary storage system. 6. If the secondary storage system is ready to resume remote copy operations, power on the primary storage system. 7. If the primary storage system is ready - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 197
for remote copy operations, please restore the data volume pairs that have been split, and then confirm that the status of the data volume pairs is Pending or Duplex. This operation must be performed at the primary site. Chapter 5 Configuring Storage Systems and Logical Paths Hitachi Universal - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 198
do this, please refer to Storage Navigator User's Guide. 4. Ensure that the DKC Operation window is displayed. 5. In Display, select DKC. 6. Select LDKC from the tree. 7. The list displays a list of remote storage systems. 8. Select and right-click remote storage system(s) from the list. 9. Select - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 199
Journal Group Deleting a Journal Group Splitting a Mirror (Suspending a copy operation) Restoring a Mirror (Resuming a copy operation) Deleting Data Volumes from a Mirror (Ending a copy operation) Chapter 7 Configuring Journal Groups 6-1 Hitachi Universal Replicator for z/OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 200
Reviewing Administrator Tasks for Managing Journals To introduce URz in your system and configure your system for remote copy operations, the primary site administrator and the secondary site administrator must configure journal groups, as well as ports and logical paths. Also, these administrators - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 201
remote copy operations with URz, the primary site administrator must register journal volumes in journal groups in the primary storage system. Also, the secondary site administrator must register journal volume in journal groups in the secondary storage system. One journal group can contain up to 16 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 202
group. Finally, select the volumes that you want to register. Note: Parity group numbers for external volumes start with the letter "E", but you do not need to enter "E" in the text boxes the error. 6-4 Chapter 6 Configuring Journal Groups Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 203
external volume. - LDKC:CU:LDEV: Indicates the LDKC number, the CU number and the LDEV number of a journal volume. Note: If a sharp symbol (#) is displayed at the end of a volume, the volume is an external 6 Configuring Journal Groups 6-5 Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 204
registered in journal groups. Note: LUN Expansion (LUSE) volumes are not LDEV: Indicates the LDKC number the CU number and the LDEV number of a volume. Note: If a sharp symbol (#) is displayed at the end of a volume, the volume is an external Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 205
- Ensure that the same timer type is specified in both the primary and the secondary sites. • JNL Group: Indicates the number of a journal group. • Current: Indicates the number does not display. Chapter 6 Configuring Journal Groups 6-7 Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 206
capacity does not display. • Set: Applies the settings in the window to the Journal Operation window (Figure 4-1). • Cancel: Cancels the settings. 6-8 Chapter 6 Configuring Journal Groups Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 207
about how to do this, please refer to Storage Navigator User's Guide. 2. Ensure that the Journal Operation window is Hold(Failure). However, when one journal group uses multiple mirror IDs, you can delete journal volumes only in the case shown Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 208
the error code and then select Error Detail. An error message appears and gives you detailed information about the error. 6-10 Chapter 6 Configuring Journal Groups Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 209
To display detailed information about journal groups in the secondary storage system, log into the secondary storage system and then perform the following operation. 1. Ensure that displays the following: Chapter 6 Configuring Journal Groups Hitachi Universal Replicator for IBM /OS User's Guide 6-11 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 210
following conditions is satisfied: - Inflow Control is No. - Copy Pace: Indicates the pace for an initial copy activity for one volume. One of the following is displayed: High, Medium, or Low. Notes: 6-12 Chapter 6 Configuring Journal Groups Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 211
stored into the journal volume. - Not Use: Journal data will not be stored into the cache. Caution: This setting does not take effect on master journal groups. However, if the Business Continuity Manager YKRESYNC REVERSE command is used to change a master journal group into a restore journal group - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 212
mirror has been started. The status of the mirror will immediately change to Halting. Note: HaltAccept can indicate status of restore journal groups, but cannot indicate status of master journal groups. 6-14 Chapter 6 Configuring Journal Groups Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 213
is neither Master nor Restore. Note: The controller ID for a USP V storage system is 5. - Path Watch Time: Indicates the time for monitoring blockade of paths to the remote storage system. If the status of the mirror where secondary data volumes in local storage system are registered is Hold or Hold - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 214
procedure below. Both the primary storage system administrator and the secondary storage system administrator must perform this operation: 1. Ensure that the Storage Navigator main window is in Modify mode. For detailed information about how to do this, please refer to Storage Navigator User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 215
Inflow Control: Copy Pace: Allows you to specify the pace (speed) for an initial copy activity for one volume. The default is Low. - Low: The speed of the initial copy activity is slower than Medium and High. Chapter 6 Configuring Journal Groups Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 216
the initial copy activity is faster secondary storage system SVP assumes that an error occurred, and then splits (suspends) the mirror. Note: The mode 448 setting takes effect only when mode 449 is set to OFF. Chapter 6 Configuring Journal Groups Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 217
- Not Use: Journal data will not be stored into the cache. - Blank: The current setting of Use of Cache will remain unchanged. Caution: This setting does not take effect on master journal groups. However, if the Business Continuity Manager YKRESYNC REVERSE command is used to change a master journal - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 218
default is Entire. - None: No processing will take place when delta resync operation cannot be performed. Therefore, the secondary data volume will not be updated. Caution: This option cannot be specified in the secondary site Journal Groups Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 219
Modify mode. For detailed information about how to do this, please refer to Storage Navigator User's Guide. 2. Ensure that the Journal Operation window is displayed (see section Journal Operation error. Chapter 6 Configuring Journal Groups Hitachi Universal Replicator for IBM /OS User's Guide 6-21 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 220
mirror, the copying of data from the master journal group to the restore journal group will suspended. To split a mirror, follow the procedure below. Not only the primary storage system administrator but also the secondary storage Journal Groups Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 221
If you select Purge, update data will not be reflected to the secondary data volume when you split the mirror. If you restore the mirror, the update data will be reflected to the secondary data volume. Chapter 6 Configuring Journal Groups Hitachi Universal Replicator for IBM /OS User's Guide 6-23 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 222
will be suspended. To restart the copying of data, you need to restore the mirror. As for mirror in Hold status, you need to restore the mirror in order to restart the copying of data. To restore a mirror, follow the procedure below. Only the primary storage system administrator can perform this - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 223
-click the error code and then select Error Detail. An error message appears and gives you detailed information about the error. Chapter 6 Configuring Journal Groups Hitachi Universal Replicator for IBM /OS User's Guide 6-25 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 224
mirror, the copying of data from the master journal group to the restore journal group will end. To delete data volumes from a mirror, follow the procedure below. Not only the primary storage the error. 6-26 Chapter 6 Configuring Journal Groups Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 225
Consistency Groups This chapter explains how to perform remote copy operations between more than one primary and secondary storage system, as well as how to register journal Consistency Group Chapter 7 Using Extended Consistency Groups 7-1 Hitachi Universal Replicator for z/OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 226
and secondary sites after a failure occurs. If you reverse the copy direction when storage systems and the secondary storage systems. To register journal groups in an extended consistency group: 7-2 Chapter 7 Using Extended Consistency Groups Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 227
a mirror ID. Note: If a mirror ID is already specified and unchangeable, you do not need to select it. 14. If necessary, repeat steps 6 to 13. 15. Select Set to close the Add JNL Group window. Chapter 7 Using Extended Consistency Groups 7-3 Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 228
number of the supervisor DKC is already specified and unchangeable. - If JNLG of the local DKC is used in check box ON is cleared, you cannot specify the serial number of the supervisor DKC. 7-4 Chapter 7 Using Extended Consistency Groups Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 229
ID: Indicates the controller ID of a storage system. Notes: - The controller ID is unchangeable, if JNLG of the local DKC is used in check box ON is selected. - The controller ID for USP V is 5. • Cmd. Dev.(LDKC, CU, LDEV): The text box on the left allows you to specify the LDKC number of the remote - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 230
When you collectively split data volumes pairs in a specific journal group in an extended consistency group, you cannot use the REVERSE option of the Business Continuity Manager YKSUSPND command. 7-6 Chapter 7 Using Extended Consistency Groups Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 231
consistency group, follow the procedure below. To perform this operation, you must be logged in to the supervisor DKC: 1. Ensure that the Storage Navigator main window is in Modify mode. For detailed information about how to do this, please refer to Storage Navigator User's Guide. 2. Ensure that the - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 232
group 3 Secondary data volume Restore JNL VOL Secondary subsystem 3 Figure 7-2 Example 1: Remote Copy Operations Among Three Primary Storage Systems and Three Secondary Storage Systems 7-8 Chapter 7 Using Extended Consistency Groups Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 233
DKC and then follow the instructions in the previous section. Follow the procedure below only when you cannot remove the journal groups due to a communication failure between storage error. Chapter 7 Using Extended Consistency Groups 7-9 Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 234
7-10 Chapter 7 Using Extended Consistency Groups Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 235
8 Performing Pair Operations This chapter explains how to perform remote copy operations with URz, including how to create pairs of a primary Releasing a Pair of Data Volumes Recovering a Pinned Track Chapter 9 Performing Pair Operations 8-1 Hitachi Universal Replicator for z/OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 236
copied. A secondary data volume is a data volume that is the copy destination for a primary data volume. To manipulate pairs of these data volumes, use the Pair Operation window of URz. Note: This manual list to the default status (i.e., the Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 237
If you select ALL, all the internal and external volumes will be displayed in the list. • Status: Allows you to specify pair statuses. The volumes of the specified statues will be displayed in the list. Chapter 8 Performing Pair Operations 8-3 Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 238
in the Display Filter window to the list. • Reset: Restores all options in the Display Filter window to the default state. All the drop-down lists will display ALL. All the check boxes will be selected. 8-4 Chapter 8 Performing Pair Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 239
DKC, specify the secondary storage system. 7. In S-VOL, specify the secondary data volume. - Use the left drop-down list to specify a CU number. - Use the right drop-down list to specify an LDEV number. Chapter 8 Performing Pair Operations 8-5 Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 240
, Refresh on the menu bar of the Storage Navigator main window to update the information in the list, or use the Detailed Information window (see Figure 8-3) to monitor the detailed status of each pair. 8-6 Chapter 8 Performing Pair Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 241
that has the smallest volume number. - If a volume is an external volume, the symbol "#" appears after the LDEV number. For detailed information about external volumes, please refer to the Universal Volume Manager User's Guide. • S-VOL: Allows you to select a secondary data volume. When specifying - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 242
: M-JNL does not display journal group numbers used by Universal Replicator. - Mirror ID: Assigns a mirror ID to the volume pair. - R-JNL: Assigns a restore journal group to the secondary data volume. 8-8 Chapter 8 Performing Pair Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 243
R-JNL does not display journal group numbers used by Universal Replicator. • DKC: Allows you to select the serial number (the LDKC number) and the controller ID (model name that indicates the model) of the secondary storage system. This option also allows you to specify the path type (i.e., channel - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 244
of mirrors for volumes in the Preview list in the Pair Operation window. • Set: Applies the settings to the Preview list in the Pair Operation window (Figure 4-2). • Cancel: Discards the settings. 8-10 Chapter 8 Performing Pair Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 245
of data volumes, follow the procedure below. Not only the primary storage system administrator but also the secondary storage system administrator can perform this operation Detailed Information window. Chapter 8 Performing Pair Operations Hitachi Universal Replicator for IBM /OS User's Guide 8-11 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 246
initial copy operation. If the volume in the local storage system is a secondary data volume, Sync. displays information in the following ways: - If the volume pair is not split, Sync. displays nothing. 8-12 Chapter 8 Performing Pair Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 247
LDEV number. For detailed information about external volumes, please refer to the Universal Volume Manager User's Guide. Note: If a volume is a volume of TagmaStore USP/NSC, "00" is displayed as the LDKC number. • CLPR: Indicates the CLPR number and the CLPR name of the volume in the local storage - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 248
Indicates the restore journal group. • Mirror ID: Indicates the mirror ID. • S/N(CTRL ID) : displays the five-digit serial number and the controller ID of the secondary storage system. The controller ID is enclosed by parentheses. • Initial Copy Priority: Indicates priority (scheduling order) of - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 249
only be used for the currently displayed 1,024 rows. • Refresh: Updates the pair status information. • Close: Closes the Detailed Information window. Chapter 8 Performing Pair Operations Hitachi Universal Replicator for IBM /OS User's Guide 8-15 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 250
. (7) Controller ID and model name of the remote storage system (13) CLPR number and CLPR name (8) Volume in the remote storage system The number to the left of the colon (:) is a CU number. (14) Copy time The number to the right of the colon is an LDEV number. Note: If a volume is an external - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 251
the tree, you can abort the exporting by clicking the Cancel of the dialog box that is displayed during exporting processing. Chapter 8 Performing Pair Operations Hitachi Universal Replicator for IBM /OS User's Guide 8-17 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 252
procedure below. Note that only the administrator of the primary storage system can perform the following operation. The administrator of the secondary storage this, please refer to the Storage Navigator User's Guide. 2. Ensure that the Pair Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 253
with a pair, all pairs in the mirror where the pair belongs will be split. copy cache-fast-write data to the secondary data volume. - Only P-VOL: Does not copy cache-fast-write data to the secondary data volume. - Copy to S-VOL: Copies cache Hitachi Universal Replicator for IBM /OS User's Guide 8-19 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 254
copy operation finishes, you can use the Suspend Pair window to split the pair of data volumes. To split one or more pairs, follow the procedure below. Not only the primary storage system administrator but also the secondary storage , please refer to Storage Navigator User's Guide. 2. Ensure that - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 255
to the secondary data volume. The default is Disable (i.e., do not permit): continue processing, do either of the following: • Ensure that the Range column displays Volume for all pairs in the same mirror. Chapter 8 Performing Pair Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 256
the pair later, the update data will be copied to the secondary data volume. • Set: Applies the settings to the Preview list in the Pair Operation window (Figure 4-2). • Cancel: Discards the settings. 8-22 Chapter 8 Performing Pair Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 257
to recover a mirror and start data copying of URz pair in Hold status in order to perform delta resync operation. Note: If the primary or secondary storage system is powered off and its you have made. Chapter 8 Performing Pair Operations Hitachi Universal Replicator for IBM /OS User's Guide 8-23 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 258
bar of the Storage Navigator main default setting is Group when the pair status is Hold or Hlde, and in that case you cannot change the default setting. - Volume: Only the specified pair(s) will be restored. Chapter 8 Performing Pair Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 259
DKC: Indicates the followings about a remote storage system. - The serial number with the LDKC number. - The controller ID with the model name. - The path type. • Resync Mode: Indicates the processing after recovery Pair Operations Hitachi Universal Replicator for IBM /OS User's Guide 8-25 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 260
two mirror IDs, the result of the operation differs as follows according to the status of the mirror of specified URz pair. • When you specify a mirror of detailed information about how to do this, please refer to Storage Navigator User's Guide. 2. Ensure that the Pair Operation window is displayed. - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 261
at the secondary storage system during disaster recovery. Note: If the following two conditions are satisfied and you select Apply, a warning message will be displayed and processing cannot be continued: - The Preview list contains two or more pairs belonging to the same mirror. - The Range column - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 262
the settings. Recovering a Pinned Track If a hardware failure occurs when the storage system is in operation, some data in the cache memory of the storage system may not be written to disk drives and may remain in the cache memory. Data that remains in cache memory due to such a reason is referred - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 263
copying, the procedure is now finished. If you want to resume copying, please continue to restore the mirror to which the journal group belongs (see section Restoring a Mirror (Resuming a copy operation)) Chapter 8 Performing Pair Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 264
8-30 Chapter 8 Performing Pair Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 265
you to collect I/O statistics for all volumes to be monitored on the connected storage system: Reviewing the Usage Monitor Window Starting and Stopping Usage Monitoring Operation History into a Text File Chapter 9 Usage Monitor Operations 9-1 Hitachi Universal Replicator for z/OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 266
connected storage system. The I/O statistics that are displayed in the window are collected by Performance monitor. The Usage Monitoring is able to display the data of remote copy operations. be monitored. 9-2 Chapter 9 Usage Monitor Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 267
Usage Monitoring Starting and stopping usage monitoring can be set using Performance Monitor. For detail about starting and stopping usage monitoring, please refer to Performance Manager User's Guide. Chapter 9 Usage Monitor Operations 9-3 Hitachi Universal Replicator for IBM /OS - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 268
number appear above the graph. If the volume is an external volume, the symbol "#" appears after the LDEV number. For detailed information about external volumes, please refer to the Universal Volume Manager User's Guide. 4. In the Monitor Data box, select the I/O statistics data that you want to - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 269
data that are written per second. The unit is kilobytes per second. The initial copy hit rate. The unit is percent. The average transfer rate for initial copy operations. The unit is kilobytes per second. Chapter 9 Usage Monitor Operations 9-5 Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 270
storage system. The unit is kilobytes per second. The remote I/O process time on the primary storage system. The unit is milliseconds. The number of asynchronous remote I/Os per second at the secondary storage Chapter 9 Usage Monitor Operations Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 271
Data in Text Files To save monitoring data in text files, use the Export Tool of Performance Monitor. For information and instructions on using the Export Tool, please refer to the Performance Manager User's Guide. Chapter 9 Usage Monitor Operations 9-7 Hitachi Universal Replicator for IBM /OS - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 272
client file access settings, please refer to the Storage Navigator User's Guide. Note Mirror ID (5) LDKC number, CU number and LDEV number of the volume in the remote storage system (LDKC:CU:LDEV). (6) LDKC number, CU number and LDEV number of the volume in the local storage system (LDKC:CU:LDEV - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 273
: Creating a Point-in-Time Copy of Data Volumes Performing Disaster Recovery Operations Establishing 3DC Delta Resync Operations Performing Failover and Failback for Host Maintenance at the Primary Site Chapter 10 Usage Scenarios Hitachi Universal Replicator for z/OS User's Guide 10-1 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 274
volumes that contain important files and data (e.g. DB2 log files, master catalogs, key user catalogs, and system control datasets) for disaster recovery. 2. Install the Storage Navigator PC and URz hardware and software, and establish Universal Replicator operations for the journal groups and data - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 275
with system time stamp which will be transferred via ERC. Important: Remote copy and disaster recovery procedures are inherently complex. Consult your Hitachi account team on sense-level settings and recovery procedures. Note: See section Recovering a Pinned Track on a Journal Volume for information - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 276
If a disaster or failure occurs at the primary site, the first disaster recovery activity is to use Business Continuity Manager to switch your operations to the remote backup site. The basic procedures for switching operations to the remote backup site are as follows: Note: If you need to perform - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 277
pair status in Business Continuity Manager, please refer to Business Continuity Manager User's Guide. For detailed information about status of data volumes, refer to section Pair Status. Transferring Operations Back to the Primary Site Once the disaster recovery procedure is finished and your - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 278
. The above procedure enables copying of data from the secondary site to the primary site. Data in the secondary site will be reflected on the primary site. For detailed information about how to use Business Continuity Manager, please refer to Business Continuity Manager User's Guide. For detailed - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 279
information about how to use Business Continuity Manager, please refer to Business Continuity Manager User's Guide. For detailed information about status of data volumes, refer to section Pair Status. Disaster Recovery for Multiple Primary and Secondary Storage Systems Consistency of Data Update - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 280
primary site. This disaster recovery procedure is the same as when only one primary storage system and only one secondary storage system is used. For detailed procedure, see Error! Reference source not found.. 10-8 Chapter 10 Usage Scenarios Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 281
pair between the primary site and the intermediate site. This operation reverses the copy direction. For detailed information about how to use Business Continuity Manager, please refer to Business Continuity Manager User's Guide. When a disaster or failure occurs, the above procedure enables you to - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 282
data volume of the pair is a volume in URz secondary site. To create this URz pair, use Business Continuity Manager to execute YKMAKE command on the journal group corresponding to the pair. b) If reversing of the copy direction ends successfully (as illustrated in the lower-right picture in Figure - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 283
the TCz Synchronous secondary site, follow the procedure below. Business Continuity Manager is used in this procedure: 1. Use Business Continuity Manager to execute the YKSUSPND REVERSE command on the TCz Synchronous pair. TCz Synchronous pair will be split and the copy operation stops temporarily - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 284
TCz Synchronous pair is reversed (i.e., the copy direction is reversed as illustrated in the lower-right picture in Figure 10-3), use Business Continuity Manager's YKRESYNC DELTAJNL command to perform delta resync operation on the volume in the TCz Synchronous secondary site. The status of the data - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 285
and provides instructions for establishing URz 3DC delta resync operations using Storage Navigator. Figure 10-4 shows the required configuration for the 3DC delta resync operations described in this section. Chapter 10 Usage Scenarios Hitachi Universal Replicator for IBM /OS User's Guide 10-13 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 286
in Figure 10-4: 1. Create the UR links between the storage systems. Note that the UR definitions have additional links, controllers. Primary (UR-TC) (151#10031) to/from TC target (166#10079) Primary (UR-TC) (151#10031): Chapter 10 Usage Scenarios Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 287
10079): 5. Create the UR pairs between the UR primary and secondary storage systems. Primary (UR-TC) (151#10031) to UR target (156#10041) Note: The mirror ID can be 1, 2, or 3, not 0. Primary (UR-TC) (151#10031) Chapter 10 Usage Scenarios Hitachi Universal Replicator for IBM /OS User's Guide 10-15 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 288
(166#10079) and UR target (156#10041) TC target (166#10079), add pair operation, initial copy option is delta: Return status is pair created on hold: 10-16 UR target (156#10041) status and long distance UR pair: Chapter 10 Usage Scenarios Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 289
performing failover and failback so that host maintenance can be performed at the primary site. The following procedures can only be performed by using Business Continuity Manager (BCM) or Command Control Interface (CCI). This section provides instructions for using BCM. Normal Operations Figure 10 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 290
and remote sites changes to the SUSPOP status. Continue monitoring until the status changes to SUSPOP. - YKEWAIT GOTO(DUPLEX) 4. From the local site, execute the YKRESYNC DELTAJNL command for the delta resync pair. Chapter 10 Usage Scenarios Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 291
To perform failback to the primary site: 1. Terminate primary site host maintenance. 2. Stop operation on the local site. 3. From the primary site, execute the YKSUSPND FORWARD command for the TC pair. - YKQUERY Chapter 10 Usage Scenarios Hitachi Universal Replicator for IBM /OS User's Guide 10-19 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 292
- YKEWAIT GOTO(DUPLEX) If the command is successful, the UR pair between the local and remote sites changes to the SUSPOP status. Continue monitoring until the status changes to SUSPOP. - YKEWAIT GOTO(SUSPEND) 10-20 Chapter 10 Usage Scenarios Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 293
resync pair. - YKQUERY - YKRESYNC DELTAJNL - YKEWAIT GOTO(DUPLEX) If the command is successful, the UR pair on the local site and the remote site is moved to the HOLD status. Operation is returned to normal. Chapter 10 Usage Scenarios Hitachi Universal Replicator for IBM /OS User's Guide 10-21 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 294
10-22 Chapter 10 Usage Scenarios Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 295
E Troubleshooting This chapter provides troubleshooting information for Universal Replicator for z/OS® and instructions for calling technical support. Troubleshooting Calling the Hitachi Data Systems Support Center Troubleshooting 1 Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 296
Tool (refer to Storage Navigator User's Guide). Contact the Hitachi Data Systems Technical Support Center (see below), and give the information on the floppy disk(s) to the Hitachi Data Systems service personnel. General Troubleshooting Table 11-1 provides general troubleshooting information for - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 297
path parameters (e.g., local storage system port, remote storage system port, and controller ID). Make sure that the topology settings of the local and remote storage system ports are correct. Make sure that the remote storage system is powered on, and that NVS and cache are fully functional. Make - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 298
port. Configure the port as an RCU target port if it is not configured that way. Make sure that the remote storage system port and network relay devices (e.g., cables and switches) are properly configured and functioning. 4 Troubleshooting Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 299
add the path and the remote storage system again by using the Add Path or Add DKC command. Table 11-3 Troubleshooting Suspended URz Pairs Suspend Type Applies to Description Seconda ry Data Volume by Operator Primary data volume, secondar y data volume The user suspended the pair from the - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 300
initial copy operation by using the Add Pair window. None. The primary storage system will automatically restore these URz pairs when the primary storage system is powered on. Table 11-4 provides troubleshooting instructions for URz pair suspension. Hardware failures which affect the cache storage - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 301
to call the Hitachi Data Systems Support Center for assistance, please report the URz and SVP error code(s). Please refer to Storage Navigator Messages for a list of error codes displayed on the Storage Navigator computers. Troubleshooting 7 Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 302
00 00 00 00 02 30 70 05 10 42 C0 F1 00 02 00 Indicates SIM. SSB13 SSB22, 23 RC = 307080 SIM type F1: DKC SIM F2: CACHE SIM FE: DEVICE SIM FF: MEDIA SIM Figure 11-1 Typical SIM Showing Reference Code and SIM Type 8 Troubleshooting Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 303
reported to the host, as explained below: When the system option mode 308 is set to ON, the SIM will be reported to the host. Troubleshooting 9 Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 304
When the system option mode 308 is set to OFF, the SIM will not be reported to the host. By default, the system option mode 308 is set to OFF. 10 Troubleshooting Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 305
Storage Navigator. The Hitachi Data Systems customer support staff is available 24 hours/day, seven days a week. If you need technical support, please call: • United States: (800) 446-0744 • Outside the United States: (858) 547-4526 Troubleshooting 11 Hitachi Universal Replicator for IBM /OS User - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 306
12 Troubleshooting Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 307
pair suspended-split primary volume redundant array of independent disks remote control port remote control unit remote IO service information message simplex serial number (also abbreviated as s#) storage subsystem identification secondary volume service processor synchronous serial number (also - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 308
- HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 309
recovery, 10-3 disaster recovery file/DB recovery, 10-3 preparing for, 10-2 switching to the remote site, copy, 10-2 power off/on requirements, 5-23 R read and write I/O operations, 2-22 S simplex (pair status), 2-35 SIMs, Error! Not a valid bookmark in entry on page 8 Support Center, Hitachi - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 310
Index-2 Index Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 311
Index Hitachi Universal Replicator for IBM /OS User's Guide Index-3 - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 312
Index-4 Index Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 313
Hitachi Universal Replicator for IBM /OS User's Guide - HP XP24000 | Hitachi Universal Replicator for IBM z/OS User's Guide (T5 - Page 314
Hitachi Data Systems Corporate Headquarters 750 Central Expressway Santa Clara, California 95050-2627 U.S.A. Phone: 1 408 970 1000 www.hds.com [email protected] Asia Pacific and
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