HP XP24000 HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati
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- HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 1
HP StorageWorks XP Disk Array Mainframe Host Attachment and Operations Guide XP24000, XP20000 Part number: A5951-96151 First edition: September 2007 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 2
L.P. Confidential computer software. Valid license from HP required for possession, use or copying. HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 3
26 FICON Operating Environment 26 Hardware Specifications ...27 Logical Paths ...28 Supported Topologies ...30 Point-to-Point Topology 30 Switched Point-to-Point Topology 30 Cascaded FICON Topology 31 Required High-Integrity Features 33 XP Disk Array Mainframe Host Attachment and Operations - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 4
overview ...71 FICON bridge configuration 71 FICON and FICON channel mixed configuration 71 Native FICON configuration on a zSeries or S/390 host 72 Registered state-change notifications (RSCNs) on zSeries hosts 73 5 Troubleshooting 75 Troubleshooting ...75 Service Information Messages (SIMs - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 5
Index 83 XP Disk Array Mainframe Host Attachment and Operations Guide 5 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 6
FICON 37 17..Fibre Port-to-LUN Addressing 59 18..Control Panel ...60 19..Emergency Power-Off (EPO 62 20..Basic ESCON Configuration 68 21..Four Channel ESCON system with two FICON channels added 69 22..Non-Disruptive ESCON Channel Removal 70 23..FICON Bridge Example 71 24..FICON Mixed Channel - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 7
Physical Connection Specifications 35 8..Data Management Functions for Mainframe Users 39 9..SSID Requirements 41 10..HCD Definition for 64 LVIs 44 11..HCD Definition for 256 LVIs 45 12..ICKDSF Commands for XP Disk Array Contrasted to RAMAC 54 13..Control Panel ...60 14..Troubleshooting ...75 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 8
8 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 9
HP StorageWorks XP24000/XP20000 for Compatible Parallel Access Volumes Software User's Guide You can find these documents from the Manuals page of the HP Business Support Center website: http://www.hp.com/support/manuals In the Storage section, click Disk Storage Systems and then select your product - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 10
and list items, buttons, tabs, and check boxes Text emphasis • File and directory names • specific instructions. NOTE: Provides additional information. Conventions for storage capacity values HP XP storage systems use the following values to calculate physical storage capacity values (hard disk - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 11
other product resources. HP websites For additional information, see the following HP websites: • http://www.hp.com • http://www.hp.com/go/storage • http://www.hp.com/service_locator • http://www.hp.com/support/manuals Documentation feedback HP welcomes your feedback. XP Disk Array Mainframe Host - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 12
To make comments and suggestions about product documentation, please send a message to [email protected]. All submissions become the property of HP. 12 About this guide - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 13
XP24000/XP20000 disk arrays support 3990-6, 3990-6E, and 2105 and 2107 control unit (CU) emulation types and can be configured channel interface (port) supports up to 65,536 logical paths (1024 host paths × 64 CUs) for a maximum of 131,072 logical paths per storage system. FICON connection provides - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 14
operations. TrueCopy for Mainframe also supports Fibre Channel and/or serial (ESCON) connections (depending on the specific disk array models used) between the main and remote storage systems. Remote copy operations can be performed between XP disk arrays. ShadowImage for Mainframe ShadowImage for - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 15
user issues standard XRC TSO commands from the mainframe host system directly to the storage system. For enhanced usability, Compatible XRC settings can now be configured using the XRC remote console (XP Remote Web Console the volumes. XP Disk Array Mainframe Host Attachment and Operations Guide 15 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 16
be performed on the external data. External storage systems can be connected to the XP disk array's external ports over a switch using a Fibre Channel interface, and external volumes are mapped to XP disk array virtual volumes. Cache LUN XP Cache LUN XP allows users to store specific data in cache - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 17
that is licensed separately. NOTE: For details on volume shredding, see the HP StorageWorks XP24000/XP20000 Virtual LVI/LUN (VLL) and Volume Shredder User's Guide, or contact your HP representative. Performance Management Performance Manager Performance Manager contains two important features. XP - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 18
use LUNs, XP Auto LUN can be used in mainframe environments because it migrates volumes or LDEVs. For details on XP Auto LUN, see the HP StorageWorks XP24000/XP20000 Auto LUN Software User's Guide, or contact your HP representative. 18 Overview of Mainframe Operations - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 19
MB/sec (4 Gbps). Fibre Channel features can have either 8 or 16 ports per pair of channel adapter boards. The storage system supports shortwave (multimode) and longwave (single-mode) versions of Fibre Channel ports on the same adapter XP Disk Array Mainframe Host Attachment and Operations Guide 19 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 20
an iSCSI environment, the storage system provides user authentication between hosts and ports mutually by using CHAP (challenge handshake authentication protocol). Table 2 Channel Adapter Specifications Parameter Number of channel adapter pairs Specifications 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 21
image. If one CU involves 256 devices, the maximum number of CUs per CHL image is limited to 4. Figure some things you should consider before you configure your system with FICON or ESCON path groups when you compare FICON to ESCON. XP Disk Array Mainframe Host Attachment and Operations Guide 21 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 22
to satisfy the throughput requirement, where x is the number of paths, set the path group to x. NOTE: x must be a minimum of two and cannot exceed a maximum of eight. Attaching ESCON Channel Adapters You can attach the XP disk array storage unit to a host system using ESCON adapters. For zSeries - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 23
Host adapters, cables, distances, and specifications for ESCON adapters on zSeries hosts A storage unit emulates 0 through 16 of the port of an ESCON host adapter in the storage unit. Each storage unit adapter card has two ports. For the XP24000/XP20000 disk array, each ExSA has 4 ports per adapter - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 24
the rcd (read configuration data) parameter. Attaching FICON Channel Adapters FICON uses a mapping layer technique based on Fibre Channel and multiplexing technologies to improve data-transfer rates, reduce the number of channel connections, and support greater distances between storage systems and - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 25
Connector LC-duplex (see the following figure) Topologies Point-to-Point and Switched Point-to-Point and Switched Point-to-Point Point-to-Point XP Disk Array Mainframe Host Attachment and Operations Guide 25 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 26
between FICON and ESCON. Table 4 Comparing ESCON and FICON Logical Specifications Item CCW handling ESCON Handshaking FICON Pipelining Protocol interlock is reduced. Number of concurrent I/Os One I/O executes once per channel Addressing 1,024 devices per channel Data transfer Half - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 27
support various interface configurations. • Performance Monitor can be used to collect and view usage statistics for the front-end directors in the storage system. Table 6 FICON Channel Adapter Specifications Parameter Data Transfer Rate (Mbps) 8MFS 100 / 200 / 400 8MFLR 100 / 200 / 400 Number - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 28
Parameter Number of Ports per Storage System on DKA boards (DKA Slot Used) 8MFS 8MFLR 8/ 16 / 24 / 32 / 40/ 48 / 56 / 16 / 24 / 32 / 40/ 48 / / 64 / 72 / 80 / 88/ 96 / 104 56 / 64 / 72 / 80 / 88/ 96 / 112 / 104 / 112 Small Form Pluggable (SFP) Support Short Wave Long Wave Maximum Cable - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 29
LPns from hardware provides flexibility that allows CU ports to share logical path resources as needed. Specifically: • The maximum number of LPn/CU images per storage system is 2048. • The maximum number of CU images per storage system is 64. XP Disk Array Mainframe Host Attachment and Operations - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 30
number of logical paths per storage system is 131072 (2048 X 48). Figure 6 FICON Channel Adapter Support for Logical Paths (Example 2) Supported Topologies Point-to-Point Topology A channel path units). This forms a switched point-to-point configuration, as shown in Figure 8. Multiple channel images - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 31
within the switch) to a second FC switch in a remote site via FC link(s). From the second FC switch port, a number of Fibre Channel links connect to FICON CU ports, FICON Directors topology is only supported by IBM zSeries processors. XP Disk Array Mainframe Host Attachment and Operations Guide 31 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 32
any combination, depending on configuration requirements and Fibre Channel switch resources. Sharing a control unit through a Fibre Channel switch allows communication between a number of channels and the control Channel switches in the channel-to-control unit path. 32 FICON and ESCON Host Attachment - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 33
FICON directors in a cascaded configuration require switches that support the following high-integrity features ID, the new switch is segmented into a separate fabric and user data will not flow. The Insistent Domain IDs feature also ensures Disk Array Mainframe Host Attachment and Operations Guide 33 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 34
Figure 11 Required High-Integrity Features for Cascaded Topologies Viewing Path Information Depending on the microcode version installed on the storage system, the Link values displayed on the SVP Logical Path Status screen may appear as 3-byte values for cascaded topologies: • The first byte - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 35
14 Example of Confirming a Cascaded Topology Physical Host Connection Specifications The following table lists the physical specifications associated with host connections. Table 7 FICON Host and RAID Physical Connection Specifications RAID XP disk array Host z-900 z990 Z9 G5/G6 Native FICON - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 36
is limited to 1024. With FICON, the number increases to 16384. In the following figure: • Up to 1,024 unit addresses are supported for each CHL port (limit of the ESCON CHL port specification). • To cover 16,384 DEVs (all address ranges of the storage system) from one system, system generation must - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 37
Figure 16 Logical Host Connections (Example 2 - FICON) XP Disk Array Mainframe Host Attachment and Operations Guide 37 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 38
38 FICON and ESCON Host Attachment - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 39
Extended Remote Copy (XRC) Software User's Guide Backup/restore and sharing: Data Exchange No Yes Yes HP StorageWorks XP for Data Exchange Software User's Guide Resource management: External Storage Yes No Yes HP StorageWorks XP24000 External Storage Software User's Guide XP Disk Array - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 40
Storage utilities: Performance Monitor Controlled by: XP Host Remote OS? Web Console? Yes Yes Yes Yes Yes Yes Yes No Yes Yes Licensed Software? User Document Yes HP StorageWorks Cache LUN XP user guide No Hitachi Cache Manager User's Guide Yes HP StorageWorks XP24000/XP20000 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 41
ExSA (ESCON) channels. (This includes PAV base and alias addresses.) NOTE: FICON interfaces support 16,384 unit addresses per channel and up to 65,280 devices on 255 CU images using CUADD=00 through CUADD=FE in the CNTLUNIT statement. XP Disk Array Mainframe Host Attachment and Operations Guide 41 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 42
unit images. The following example shows a sample IOCP definition for a storage system configured with: • 2105 ID • Four FICON channel paths. Two channels paths are connected to a FICON switch. Two channel paths are directly connected to the storage system. • Six control unit images (00, 01, 02, 03 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 43
storage system configured with: • 3990 ID • Two (2) LPARs called PROD and TEST sharing 4 ExSA (ESCON) channels connected over 2 ESCDs to the storage system • Each switch has ports C0 and C1 attached to the storage interfaces support a Disk Array Mainframe Host Attachment and Operations Guide 43 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 44
UNIT=3390A,FEATURE=SHARED The storage system can be configured with up to 96 ESCON storage system. Table 10 HCD Definition for 64 LVIs Control Frame: Parameter Value Control unit number Specify the control unit number. Control unit type 3990-6 or 3990-6E (using 3990-6 emulation) Channel path - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 45
unit number(s). * The NOCHECK function was introduced by APAR OY62560. Defining the storage system as a single control unit allows all channel paths to access all DASD devices. 2105 Controller Emulation: To define a storage system CU image and the base and alias address range that it will support - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 46
SMP/E Dialogs IC ICSF - Integrated Cryptographic Service Facility OS SUPPORT - OS/390 ISPF System Support Options OU USER - OS/390 ISPF User Options S SORT - DF/SORT Dialogs X EXIT - Terminate ISPF using list/log defaults F1=HELP F7=UP F2=SPLIT F8=DOWN F3=END F9=SWAP F4=RETURN F5=RFIND - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 47
| channel paths | | 4. Control units | | 5. I/O devices | | an "Add like" operation, and then press Enter: • Control unit number • Control unit type: 2105 • Switch information only if a switch exists , and then press Enter. XP Disk Array Mainframe Host Attachment and Operations Guide 47 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 48
devices supported, and then press Enter. Goto Filter Backup Query Help Add Control Unit | | | | | Specify or revise the following values. | | | | Control unit number . : 8000 Type 2105 | | Processor ID PROD | | | | Channel path IDs . . . . 60 61 62 63 64 65 66 67 + | | Link - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 49
11. On the Add Device panel, enter the following, and then press Enter: • Device number • Number of devices • Device type: 3390, 3390B for PAV base device, or 3390A for PAV alias device Goto Filter Backup Query Help Add Device XP Disk Array Mainframe Host Attachment and Operations Guide 49 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 50
807F__ | | | | Volume serial number for DASD) | | | | Connected to CUs . . 8000 | | | | | | F1=Help F2=Split F3=Exit F4=Prompt F5=Reset F9=Swap | | F12=Cancel | 12. On the Device / Processor Definition panel, add this device to a specific Processor/System-ID combination by - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 51
| | | | Parameter/ | | Feature Value P Req. Description | | OFFLINE No Device considered online or offline at IPL | | DYNAMIC Yes Device supports dynamic configuration | | LOCANY No UCB can reside in 31 bit storage | XP Disk Array Mainframe Host Attachment and Operations Guide 51 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 52
the Define Device to Operating System Configuration panel appears, press F3. 18. The Update Serial Number, Description and VOLSER panel now . Defining the Storage System to TPF The storage system supports the IBM Transaction Processing Facility (TPF) and Multi-Path Locking Facility (MPLF - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 53
see the HP StorageWorks XP24000/XP20000 for Compatible Parallel Access Volumes Software User's Guide. // storage system supports the ICKDSF media maintenance utility. The ICKDSF utility can also be used to perform service functions, error detection, and media maintenance. Because the XP disk array - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 54
devices. The following table lists ICKDSF commands that are specific to the storage system, as contrasted to RAMAC. Table 12 ICKDSF Commands for XP Disk Array Contrasted to RAMAC Command Argument INSPECT KEEPIT Storage System RAMAC Return Code CC = 12 Invalid parameter(s) for device type. XP - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 55
COUNTS. When the parameter is used with the LISTDATA command, the user must issue the command once for each SSID to view the entire storage system image. The following shows a JCL example of the LISTDATA COUNTS command. XP Disk Array Mainframe Host Attachment and Operations Guide 55 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 56
the storage system. The XP disk array reports two storage sizes: • Subsystem storage. This field shows capacity in bytes of cache. For a storage system with more than one SSID, the cache is shared among the SSIDs instead of being logically divided. This strategy ensures backup battery power for - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 57
Remote Web Console to monitor the SIMs. Open-Systems Configuration After physical installation of the storage system has been completed, the user configures the storage system for open-system operations with assistance as needed from the HP representative. For specific information and instructions - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 58
to configure the Fibre Channel ports for the connected operating system and operational environment (for example, FC-AL or fabric). For further information on LUN Manager, see HP StorageWorks XP24000/XP20000 LUN Manager User's Guide, or contact your HP representative. The storage system supports - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 59
15 OPEN-V LUs. Control Panel The following figure shows the storage system operator control panel. Table 13 describes the items on the operator control panel. To open the control panel cover, push and release on the point marked PUSH. XP Disk Array Mainframe Host Attachment and Operations Guide 59 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 60
EPO switch: The Emergency Power-Off switch for the storage system is located on the top right of the rear panel (see rear view of DKC in the following figure). Figure 18 Control Panel NOTE: This illustration does not show the service port under the EPO switch. Table 13 Control Panel Item Name 1 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 61
is on. 13 EMERGENCY POWER 1-Way OFF (EPO) Locking Switch Used to shut down power to both storage clusters in an emergency. 14 PS REMOTE/LOCAL Switch REMOTE position: The storage system is powered on/off by instructions from CPU. XP Disk Array Mainframe Host Attachment and Operations Guide 61 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 62
as illustrated on the switch. 2. Call the technical support center. The EPO switch must be reset by service personnel before the disk array can be powered on again. Figure 19 Emergency Power-Off (EPO) NOTE: This illustration does not show the service port under the EPO switch. 62 z/OS Operations - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 63
of the storage system has been completed, the user configures the LINUX system for operations with assistance as needed from an HP representative. For specific information and instructions on configuring the disk devices for LINUX operations, see the XP disk array configuration guide for the - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 64
or FCP channel by specifying the correct channel path type (FC or FCP) in the IOCP channel path ID (CHPID) statement. Note that defining FCP type channels in the IOCP reduces the total number of FICON type channels that you can configure. Accessing storage units using Fibre Channel Protocol from - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 65
on the z800: 15 • WWPN of the FCP port on the z800: 50:05:07:64:01:40:01:7d • FC port on the storage unit: Enclosure 3 Slot 1 • WWPN of the FC port on the storage unit: 50:05:07:63:00:c8:95:89 XP Disk Array Mainframe Host Attachment and Operations Guide 65 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 66
the following software configuration information to prepare a Linux system to access the storage unit through a storage unit: • qdio: This is the same module is used for other qdio devices • scsi_mod: defines SCSI core parameters • zfcp: provides FCP support for zSeries Linux • sd_mod: SCSI disk - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 67
Native ESCON configuration The following figure shows an example of a native ESCON configuration. The configuration shows an S/390 or zSeries host that has four ESCON channels attached to the storage unit through two ESCON directors. XP Disk Array Mainframe Host Attachment and Operations Guide 67 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 68
Figure 20 Basic ESCON Configuration The channels are grouped into a channel-path group for multi-pathing capability to the storage unit ESCON adapters. ESCON to FICON migration example for a zSeries or S/390 host The following figure shows another example of a S/390 or zSeries host system - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 69
storage unit. NOTE: 1. This configuration is supported for migration only. 2. Do not use this configuration for an extended period. 3. Migrate from a mixed channel-path group configuration to an all FICON channel-path group configuration. XP Disk Array Mainframe Host Attachment and Operations Guide - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 70
example for a zSeries or S/390 host The following figure provides a FICON configuration example for a zSeries or S/390 host that illustrates how to remove the ESCON paths. The S/390 or zSeries host has four ESCON channels connected to two ESCON directors. The S/390 or zSeries host system - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 71
-path group and FICON host adapter to the storage unit. The example also shows that the S/390 or zSeries host system with one FICON channel and one ESCON director with a FICON bridge through a channel-path group and two ESCON adapters. XP Disk Array Mainframe Host Attachment and Operations Guide - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 72
group is now a mixed ESCON and FICON path group. I/O operations continue to the storage unit across this mixed path group. Access to the storage unit devices is not interrupted because all the actions are non-disruptive. NOTE: 1. This configuration is supported for migration only. 2. Do not use this - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 73
with Fibre Channel Protocol, continue to create zones that include the host ports and all storage ports. Multiple overlapping zones should be used in this case to support communication from multiple host ports to share device ports. XP Disk Array Mainframe Host Attachment and Operations Guide 73 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 74
74 Linux Operations - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 75
to the specified operating range, and power on the storage system (call your HP support representative for assistance). If the area temperature is not the obvious cause of the alarm, call your HP support representative for assistance. XP Disk Array Mainframe Host Attachment and Operations Guide 75 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 76
your HP support representative. SIMs can be generated by the front-end and back-end directors and by the SVP. All SIMs generated by the storage system are stored on the SVP for use by HP personnel, logged in the SYS1.LOGREC dataset of the mainframe host system, displayed by the XP Remote Web Console - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 77
Figure 26 Typical SIM Showing Reference Code and SIM Type XP Disk Array Mainframe Host Attachment and Operations Guide 77 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 78
78 Troubleshooting - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 79
as two-digit hexadecimal numbers. For example, host mode 08 represents an HP-UX host. Logical device. An LDEV is created when a RAID group is carved into pieces according to the selected host emulation mode (that is, OPEN-3, OPEN-8, XP Disk Array Mainframe Host Attachment and Operations Guide 79 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 80
Protocol. Service processor, which is the computer built into the disk array. The SVP provides a direct interface into the disk array. SVP use is reserved for HP support representatives only. Storage Virtualization System, an appliance that manages multiple disk array storage systems. Target - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 81
. Synonymous with CVS. World Wide Name. A unique identifier assigned to a Fibre Channel device. HP StorageWorks XP Remote Web Console. A browser-based program installed on the SVP that allows you to configure and manage the disk array. XP Disk Array Mainframe Host Attachment and Operations Guide 81 - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 82
82 Glossary - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 83
45 asynchronous xrc remote copy, 15 61 conventions document, 9 storage capacity values, 10 text HP website, 9 providing feedback, 11 dynamic path HP technical support, 11 I interfaces ficon support, 41 J journal groups user defined, 15 XP Disk Array Mainframe Host Attachment and Operations Guide - HP XP24000 | HP StorageWorks XP Disk Array Mainframe Host Attachment and Operati - Page 84
storage nonvolatile, 56 storage capacity values conventions, 10 Subscriber's Choice, HP, 11 switch information, 47 symbols in text, 10 system vm/esa, 52 T technical support HP, 11 service V volume logical caching status, 56 W websites HP , 11 HP Subscriber's Choice for Business, 11 product manuals, 9
HP StorageWorks
XP Disk Array Mainframe Host Attachment and
Operations Guide
XP24000, XP20000
Part number: A5951–96151
First edition: September 2007