HP XP24000 HP StorageWorks XP24000 Auto LUN Software User's Guide, v0
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- HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 1
HP StorageWorks XP24000 Auto LUN Software User's Guide Part number: T5215-96001 First edition: June 2007 - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 2
Hewlett-Packard Development Company, L.P. Confidential computer software. Valid license from HP required for possession, use or copying. Consistent with FAR 12.211 and 12.212, Commercial Computer Software, Computer Software Documentation, and Technical Data for Commercial Items are licensed to the - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 3
this Guide 7 Intended Audience 7 Related Documentation 7 Document Conventions 7 Conventions for Storage Capacity Values 7 Window Illustrations 8 HP Technical Support 8 Subscription Service 8 HP Websites 8 Documentation Feedback 8 1 Overview of HP StorageWorks XP Auto LUN - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 4
Calling HP Technical Support 49 A Acronyms and Abbreviations 51 Index 53 4 - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 5
about External Volumes 23 ..The History Window of the Auto LUN 25 ..Status Transition Chart of a Pair during Volume Migration by RAID Manager . . . . . . 10 12 12 13 13 14 15 16 28 29 29 31 34 35 35 36 37 38 46 XP24000 Auto LUN Software User's Guide 5 - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 6
Tables 1 ..Document Conventions 7 2 ..Non-Cascade Volumes and Auto LUN Source Volumes 17 3 ..Cascade Volumes and Auto LUN Source Volumes 17 4 ..The capacity of migrated volume and the estimated delay in the copying speed . . . . . 20 5 ..The Number of the Control Cylinders According to - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 7
XP24000 Remote Web Console User's Guide, or contact your HP account team. For details on the applicable operating systems and web browser software, see HP StorageWorks XP24000 Remote Web Console User's Guide. You can find related HP StorageWorks documents from the Manuals page of the HP Business - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 8
. Window contents also vary depending on installed program products and the storage system being managed. HP Technical Support For worldwide technical support information, see the HP support website: http://www.hp.com/support Before contacting HP, collect the following information: • Product model - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 9
large number of I/Os are made to some hard disk drives, you can use Auto LUN to distribute workloads to other disk drives. For details, see "Overview of Auto LUN" on page 11. Figure 1 on page 10 illustrates and simplifies the performance management process. XP24000 Auto LUN Software User's Guide 9 - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 10
Figure 1 Performance Management Process Flow Diagram 10 Overview of HP StorageWorks XP Auto LUN Software - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 11
in the Remote Web Console window. For details about requirements for WWW client computers, see HP StorageWorks XP24000 Remote Web Console User's Guide. Cautions: • If Performance Monitor is not enabled, you cannot use Auto LUN or Performance Control. • Performance management operations (Performance - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 12
migration by RAID Manager, Auto LUN should be installed on the storage system. For details on manual volume migration by using RAID Manager, see "Using RAID Manager for Manual Volume Migration" on page 45. For details on RAID Manager, see HP StorageWorks XP RAID Manager User's Guide. Caution: When - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 13
see Figure 5 on page 13 below). Figure 5 Parity Group Usage Displayed in the Auto LUN Window Next, display the contents of the low usage parity group and then look for disk areas preceded by the icons. From the disk areas, choose the destination disk area XP24000 Auto LUN Software User's Guide 13 - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 14
LUN cannot estimate the usage rate of any external volumes. In case of migrating an external volume, the transition of the external other high-usage volumes, you can continue to create migration plans. If you explains why. Note: The storage system documents (including this manual) use the term source - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 15
if the write pending rate is higher than 60%. Hosts can access device. Hosts cannot access device. LDEV ID = 0x123 LDEV ID = 0x321 Source Volume COPY (24 tracks at a time) Target Volume Reserved Figure 7 Data Flow during an Auto LUN Operation XP24000 Auto LUN Software User's Guide 15 - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 16
Auto LUN. For details on the limitations when using Performance Monitor logged in as a storage partition administrator, see the HP StorageWorks XP24000 Performance Monitor User's Guide. • Combinations of volumes. The source and target volumes must be managed by the same storage system. (An external - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 17
Note that if you specify a Continuous Access Journal volume as a source volume, you cannot specify an external volume as the target volume. ShadowImage for Mainframe and HP StorageWorks XP Business Copy Software: Usage of ShadowImage for Mainframe and Business Copy volumes as a source volume depends - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 18
for Business Copy operations. • Volumes which have Cache Residency Manager data or Cache Residency Manager for Mainframe data stored in cache. • Volumes used by Continuous Access Journal or Universal Replicator for Mainframe as a data volume or journal volume. • Volumes in which HP StorageWorks XP - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 19
copying time of other program products depends on the number of pairs set to the program product, however, the copying time may be increased up to twice. The term other program products refers to the following program products. • Auto LUN • Business Copy XP24000 Auto LUN Software User's Guide 19 - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 20
volume is 50 IOPS for one volume. • Maintenance. Do not perform Auto LUN migration operations during storage system maintenance activities (for example, installation, replacement, or uninstallation of cache or drives, or replacement of the microcode). • Notes on powering off the storage system: To - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 21
manuals: • For Business Copy, see HP StorageWorks XP24000 Business Copy Software User's Guide. • For ShadowImage for Mainframe, see Hitachi ShadowImage for z/OS User's Guide. • For Compatible FlashCopy and Compatible FlashCopy V2, see HP StorageWorks XP24000 for Compatible FlashCopy Mirroring - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 22
cylinders according to the emulation types. Table 5 The Number of the Control Cylinders According to the Emulation Types Emulation Type Number of the Control Cylinders 3380-3 7 3380-3A 7 3380-3B 7 3380-3C 7 3380-F tables and pair tables per migration plan. 22 About Auto LUN Operations - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 23
capacity of the volume to be migrated. (kilobyte)* (Z): The number of the slots that can be managed by a differential table. (20,448) OPEN-V Note that you should round up the number to the number of the control cylinders according to the emulation types. XP24000 Auto LUN Software User's Guide 23 - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 24
Table 7 The Number of the Control Cylinders According to the Emulation Types Emulation Type Number of the Control Cylinders OPEN-3 8 (5,760KB) OPEN-8 OPEN-9 27 (19,440KB) OPEN-E OPEN-L 19 (13,680KB) 7 (5,040KB) OPEN-V 0 (0KB) 24 About Auto LUN Operations - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 25
that you exit the Remote Web Console program when not conducting performance management operations, to release system memory. For details on how to install Performance Monitor, Auto LUN and Performance Control, see the manual HP StorageWorks XP24000 Remote Web Console User's Guide. Storage Partition - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 26
26 Preparing for Auto LUN Operations - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 27
and external volumes, see the HP StorageWorks XP24000 Performance Monitor User's Guide. Note: • From an open-system host, users can also use RAID Manager to perform manual volume migration by using commands. To perform volume migration by RAID Manager, Auto LUN should be installed on the storage - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 28
Management window. Auto LUN analyzes disk usage information collected by Performance Monitor, Performance Control, or Auto LUN during external volume groups in the storage system. The Parity Group folder contains icons of parity groups, and the External Group folder contains icons of external - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 29
after the colon is the CLPR name. Figure 15 Information about External Volume Groups • LDEVs: A list of volumes in the parity groups you selected in the tree is indicated. Select a row to specify the Source LDEV. Items displayed in the list are as follows. XP24000 Auto LUN Software User's Guide 29 - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 30
is displayed, the reported usage rate is likely to be inaccurate, because the volumes may be moved by Auto LUN or formatted by HP StorageWorks XP Virtual LVI or Open Volume Management. If a plus mark (+) is displayed before 0, such as +0, the usage rate is not completely 0 but less than 1. Indicates - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 31
) LDEV. Figure 16 Graph Window • Source LDEV lets you specify the source volume (that is, the volume that you want to migrate), On the right of the text box is the following: • The current usage rate for the parity group that the source volume belongs to. XP24000 Auto LUN Software User's Guide 31 - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 32
parity group in the format CLPR-number:CLPR-name. For details on CLPRs, see HP StorageWorks XP24000 Disk/Cache Partition User's Guide. The Target LDEV columns display information about target volumes: • LDEV indicates the volume ID. The number on the left of the first colon (:) from the left is the - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 33
:CLPR-name. For details on CLPRs, see HP StorageWorks XP24000 Disk/Cache Partition User's Guide. • Owner indicates the program which uses this volume as a target volume. If XP24000 is displayed, this is the target volume which is reserved by Remote Web Console. If Other[XX] is displayed, this is - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 34
Management window. • Gathering Interval displays the collection interval in long range used in Performance Monitor. The interval in long range is fixed to 15 minutes. • Tree: The tree lists HDD classes and external volume groups. On the right of HDD classes, the upper limit (threshold) of the disk - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 35
has changed (for example, volumes have been moved by Auto LUN or changed by Virtual LVI or Open volume Management). If a plus mark (+) is displayed before a usage :CLPR-name. For details on CLPRs, see HP StorageWorks XP24000 Disk/Cache Partition User's Guide. When you select a parity group in the - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 36
HP StorageWorks XP24000 Disk/Cache Partition User's Guide. • Owner indicates the program which reserved this volume. If XP24000 is displayed, this is the reserved volume which is reserved by Remote Web Console. If Other[XX] is displayed, this is the reserved volume which is reserved by RAID Manager - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 37
the number and name of the CLPR corresponding to the external volume group which the external volume belongs to, in the format CLPR-number:CLPR-name. For details on CLPRs, see HP StorageWorks XP24000 Disk/Cache Partition User's Guide. • Owner indicates the program which reserved this volume, if it - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 38
this migration plan. If XP24000 is displayed, this is the migration plan which is executed by Remote Web Console. If Other[XX] is displayed, this is the migration plan which is executed by a program product other than Remote Web Console (such ash RAID Manager). XX is an ID which is given by this - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 39
external volume group migration, though these groups are not parity groups. • If the source parity groups and target parity groups are the concatenated parity groups, the list only displays the ID window. • The Close button closes the History window. XP24000 Auto LUN Software User's Guide 39 - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 40
40 Using the Auto LUN GUI - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 41
Starting Auto LUN To start Auto LUN, take the following steps: 1. Ensure that the Remote Web Console main window is in Modify mode. The Remote Web Console main window is 4. Select Reserved LDEV from the pop-up menu. The icon changes to a blue icon. XP24000 Auto LUN Software User's Guide 41 - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 42
migration is complete. To migrate volumes manually: 1. Start Auto LUN (see "Starting Auto LUN" on page 41) and select the Manual Plan tab in the Auto LUN window (Figure 13 on page 28). 2. In the tree, double-click a folder icon of parity group (or an external volume group). A list of parity groups - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 43
To view logs of manual migration operations, look at Migration History. For messages that might appear in Migration History, see Table 9 on page 44. Note: Messages in the History window may not be arranged in the order that corresponding events take place. XP24000 Auto LUN Software User's Guide 43 - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 44
by Auto LUN (for example, volume usage rate exceeded specified maximum). Migration Canceled by Controller (Business Copy) Migration Canceled by Controller (Continuous Access (*1)) Migration Canceled by Controller (Data Migration (*2)) Migration Canceled by Controller (Continuous Access Journal - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 45
Migration In the environment where Auto LUN is installed on the storage system, users can use RAID Manager to perform manual volume migration from an open-system host. This appendix explains the procedure and notes for using RAID Manager to perform manual volume migration. Sample Volume Migration - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 46
volume migration by using RAID Manager. • A migration plan being executed by Auto LUN cannot be canceled from RAID Manager. • A migration plan created by Auto LUN cannot be displayed by using RAID Manager. • Before checking RAID Manager settings in a Remote Web Console window, you must select the - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 47
Release the Continuous Access pair, and volume of Continuous Access. then perform the volume migration. The migration target volume is a secondary Release the Continuous Access pair, and volume of Continuous Access. then perform the volume migration. XP24000 Auto LUN Software User's Guide 47 - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 48
pair which is not in the SUSPEND status. Put the Continuous Access pair in the SUSPEND status or release the Continuous Access pair. Then, perform the volume migration. The migration source volume is a volume of a Business Copy pair which is in the SP-PEND status. Perform the volume migration - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 49
on Auto LUN. For troubleshooting information on Remote Web Console, see the following documents: • HP StorageWorks XP24000 Remote Web Console User's Guide • HP StorageWorks XP24000 Remote Web Console Error Codes Troubleshooting Auto LUN • When an error message is displayed on the Remote Web Console - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 50
50 Troubleshooting - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 51
storage PC personal computer PDEV physical device P-VOL primary volume RAID redundant array of independent disks SM shared memory SMPL simplex S-VOL secondary volume SVP service processor TC Continuous Access TCz TrueCopy for Mainframe XP24000 Auto LUN Software User's Guide - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 52
52 Acronyms and Abbreviations - HP XP24000 | HP StorageWorks XP24000 Auto LUN Software User's Guide, v0 - Page 53
storage capacity values conventions, 7 storage systems supported models, 7 Subscriber's Choice, HP, 8 T target volume, 14, 30 technical support, 49 HP, 8 service locator website, 8 W websites HP, 8 HP Subscriber's Choice for Business, 8 product manuals, 7 XP24000 Auto LUN Software User's Guide 53
HP StorageWorks
XP24000 Auto LUN Software User's Guide
Part number: T5215–96001
First edition: June 2007