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HP XP 9000 User Manual

Compatible xrc
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HP
XP 9000 Compatible XRC User Guide
Abstract
This guide describes and provides instructions to use HP XP P9000 Compatible Extended Remote Copy Software on HP XP
P9000 disk arrays. The intended audience is a storage system administrator or authorized service provider with independent
knowledge of HP XP P9000 disk arrays and the HP Remote Web Console.
HP Part Number: AV400-96509
Published: November 2012
Edition: Ninth

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Summary of Contents for HP XP 9000

  • Page 1 XP 9000 Compatible XRC User Guide Abstract This guide describes and provides instructions to use HP XP P9000 Compatible Extended Remote Copy Software on HP XP P9000 disk arrays. The intended audience is a storage system administrator or authorized service provider with independent knowledge of HP XP P9000 disk arrays and the HP Remote Web Console.
  • Page 2 The information contained herein is subject to change without notice. The only warranties for 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 shall not be liable for technical or editorial errors or omissions contained herein.

  • Page 3: Table Of Contents

    Contents 1 Overview of Compatible XRC..............5 Function overview........................5 Sessions..........................5 TSO commands........................6 Resources that can be executed for each function................6 Configuration...........................6 2 Requirements and restrictions...............8 System requirements........................8 Requirements and restrictions for Compatible XRC.................8 Supported XRC functions in XRC2 and XRC3................8 Number of sessions for Compatible XRC and CC..............9 Performance considerations....................10 Restrictions on usage.......................10 Behavior of option settings....................10...
  • Page 4 6 Support and other resources..............23 Contacting HP........................23 Subscription service......................23 Documentation feedback....................23 Related information.........................23 HP websites........................23 Conventions for storage capacity values..................24 Typographic conventions......................24 A Controlling the amount of write data............26 When block option is set to cache level..................26 When do not block (volume level) option is set to disable.............26 B Conventions.....................28...

  • Page 5: Overview Of Compatible Xrc

    1 Overview of Compatible XRC This topic provides an overview of the Compatible XRC (Compatible XRC) feature and configuration. Function overview The Compatible XRC feature (Compatible XRC) for the XP P9500 provides compatibility with IBM Extended Remote Copy (hereinafter called "XRC") asynchronous remote copy operations for data backup and recovery in the event of a disaster.

  • Page 6: Tso Commands

    When you use the functions, the resources for each operation must satisfy the specific conditions. For details on user accounts, see the HP XP P9000 Remote Web Console User Guide. For details on the conditions of the resources, see the HP XP P9000 Provisioning for Open Systems User Guide or the HP XP P9000 Provisioning for Mainframe Systems User Guide.
  • Page 7 Figure 2 Channel Extender connection configuration for Compatible XRC Configuration...

  • Page 8: Requirements And Restrictions

    Additionally, the license key code is required to use the Compatible XRC program product. For instructions on installing and using Remote Web Console and the Compatible XRC program product, see the HP XP P9000 Remote Web Console User Guide. Requirements and restrictions for Compatible XRC Supported XRC functions in XRC2 and XRC3 The following table lists the supported Compatible XRC features in IBM XRC functions (XRC2 and XRC3).

  • Page 9: Number Of Sessions For Compatible Xrc And Cc

    Table 1 Features supported by Compatible XRC Feature Description XRC2 XRC3 DEV blocking Sidefile threshold tuning feature for each volume. Supported Supported Unplanned outage Differential copy feature for unplanned outage achieved Not supported Supported by the differential bit management in the storage system. CNT MULTI path Alternate path retry feature for CNT USD connections.

  • Page 10: Performance Considerations

    Table 3 Number of sessions per volume Session Type Device Emulation Type (3390-1, 3390-2, 3390-3, 3390-3R, 3390-9, 3390-A, 3390-L, 3390-M) Number of CC Sessions Number of Compatible XRC Sessions CC only CC and XRC2 CC and XRC3 Single Reader CC and XRC3 1 (Primary session) Multiple Reader 0- 1 5 (Auxiliary Sessions)
  • Page 11 Table 4 Behavior of storage system - block option is "Volume Level" (continued) Compatible XRC Options Behavior of the XP P9500 disk array Option Setting "Do not Block" is Specified by "Do not Block"is Not Specified by SDM ("Block" is Specified) Level 2 Suspend Enable*...

  • Page 12: Multiple Clpr Use

    Table 5 Behavior of storage system - block option is “Cache Level” (continued) Compatible XRC Options Behavior of the XP P9500 disk array Option Setting Do not Block is specified by SDM and Do not Do not Block is Not specified by SDM (Block Block (Volume Level) is enabled is specified) or Do not Block (Volume Level) is disabled...

  • Page 13: Setting Change Of The Processor Blade Assigned To Ldevs

    Setting change of the processor blade assigned to LDEVs The processor blade assigned to the LDEV that is used as a utility volume for Compatible XRC can be changed only when the XRC session is suspended and the number of the side files of the target session is zero.

  • Page 14: Interoperability With Other Products And Functions

    S-VOL T-VOL window For details on the Remote Web Console main window and secondary window, see the HP P9000 Remote Web Console User Guide. Volume sharing between Compatible XRC and other copy functions The XP P9500 supports concurrent operations of Compatible XRC with other copy functions. The following table indicates whether Compatible XRC volumes can be shared with other copy functions.

  • Page 15: Using Compatible Xrc In Conjunction With Continuous Access Synchronous Z

    Figure 3 Double Compatible XRC Pairs Using Compatible XRC in conjunction with Continuous Access Synchronous The XP P9500 supports the use of Compatible XRC in conjunction with Continuous Access Synchronous Z (Cnt Ac-S Z) to maintain three copies of critical data at your primary and/or secondary sites for disaster recovery purposes.

  • Page 16: Volume Functioning As Compatible Xrc P-Vol And Bc Z S-Vol

    Volume functioning as Compatible XRC P-VOL and BC Z S-VOL The following figure shows the configuration in which a volume is functioning as both a Compatible XRC P-VOL and a BC Z S-VOL. In this configuration, data is copied within the primary site using BC Z, and it is copied from the primary site to the secondary site using Compatible XRC.

  • Page 17: Using Compatible Xrc In Conjunction With Compatible Flashcopy

    Using Compatible XRC in conjunction with Compatible FlashCopy The XP P9500 supports the use of Compatible XRC in conjunction with Compatible FlashCopy (Compatible FlashCopy) to maintain data in the secondary site and the primary site for disaster recovery and data migration purposes. Volume functioning as Compatible XRC P-VOL and Compatible FlashCopy S-VOL The following figure shows the configuration in which a volume is functioning as both a Compatible XRC P-VOL and a Compatible FlashCopy S-VOL.

  • Page 18: Using Compatible Xrc In Conjunction With Compatible Flashcopy Se

    S-VOL Using Compatible XRC in conjunction with Compatible FlashCopy SE For details, see the topic on interoperability with other products and functions in the HP XP P9000 for Compatible FlashCopy Mirroring User Guide. Using Compatible XRC in conjunction with Thin Provisioning Z or Smart Tiers Z You can use Thin Provisioning Z or Smart Tiers Z for the Compatible XRC P-VOL and S-VOL.

  • Page 19: Using Compatible Xrc

    For the information about changing to modify mode, see the HP XP P9000 Remote Web Console User Guide. For instructions on using Remote Web Console, see the HP XP P9000 Remote Web Console User Guide. To complete the Compatible XRC operations, click Close ( Setting the Compatible XRC options Use Compatible XRC to set the Compatible XRC options.

  • Page 20: Deleting The Settings In The Preview List

    On the Preview list in the XRC Option window, right-click the CLPR for which you want to change the option settings. Click Change on the pop-up menu. The Change Option window appears. In the Option Change window, change the settings of the Compatible XRC. When you have finished changing the settings, click OK.

  • Page 21: Troubleshooting

    General troubleshooting For troubleshooting errors encountered during the Compatible XRC operation, see the HP XP P9000 Remote Web Console Messages. For troubleshooting the general errors of Remote Web Console, see the HP XP P9000 Remote Web Console User Guide. Console messages The table shows how to solve the problems when the console messages appear while you are operating the Compatible XRC.
  • Page 22 Table 8 Compatible XRC console messages and troubleshooting (continued) Console message Description ANTX5124W If the Compatible XRC pairs are deleted when a number of sidefiles of the Compatible XRC pairs remain in cache, this message appears, and a time-out error might occur. Deleting the Compatible XRC pairs must not be performed.

  • Page 23: Support And Other Resources

    HP XP P9000 Remote Web Console Messages HP XP P9000 Remote Web Console User Guide You can find these documents on the Manuals page of the HP Business Support Center website: http://www.hp.com/support/manuals In the Storage section, click Disk Storage Systems for hardware or Storage Software for software, and then select your product.

  • Page 24: Conventions For Storage Capacity Values

    Conventions for storage capacity values XP P9000 disk arrays use the following values to calculate physical storage capacity values (hard disk drives): 1 KB (kilobyte) = 1,000 bytes 1 MB (megabyte) = 1,000 bytes 1 GB (gigabyte) = 1,000...
  • Page 25 CAUTION: Indicates that failure to follow directions could result in damage to equipment or data. IMPORTANT: Provides clarifying information or specific instructions. NOTE: Provides additional information. TIP: Provides helpful hints and shortcuts. Typographic conventions...

  • Page 26: A Controlling The Amount Of Write Data

    A Controlling the amount of write data This topic describes how to control the amount of write data the storage system performs according to the sidefile capacity. When block option is set to cache level When the Cache Level block option is selected, depending on the sidefile capacity, the storage system performs one of the following three levels for controlling the amount of write data.
  • Page 27 SDM; the default threshold is 0x500.When Level 1 Sleep is set to Disable, write I/Os to volumes are not put in a wait status. Level 1: This level of control is performed when the sidefile capacity is equal to or larger than the level- 1 threshold, and is smaller than the level-2 threshold.

  • Page 28: B Conventions

    Copied volumes Remote Web Console main window Primary Volume Secondary Volume Remote Web Console secondary S-VOL T-VOL window For details on the Remote Web Console main window and secondary window, see the HP XP P9000 Remote Web Console User Guide. Conventions...

  • Page 29: C Compatible Xrc Gui Reference

    C Compatible XRC GUI reference This topic describes the Compatible XRC window and the Change Option window. Compatible XRC window The following table shows the items in the Compatible XRC window. Item Description Compatible XRC option list CLPR CLPR number. LV2 THD Threshold shown in Level 2 Threshold in the Change Option window.

  • Page 30: Change Option Window

    Change option window To open the Change Option window, right-click the desired CLPR in the Compatible XRC option list, and then select Change Option. The following table shows the items in the Change Option window. Item Description CLPR list Select the desired CLPR. The same setting is applied.
  • Page 31 Item Description Do not Block (Volume Level) Sets whether the storage system controls the amount of write I/Os to the specified volume. Enable - does not control the amount of data to be written to the specified volume. Write I/Os from hosts are not put in a wait status. When Block Option is set to Volume Level, Enable is set.

  • Page 32: Glossary

    Glossary Asynchronous transfer mode. P9000 or XP Business Copy. An HP application that provides volume-level, point-in-time copies in the disk array. BC z This is the version of BC that supports mainframe volumes. See BC for more information. The basic unit of data in a binary numbering system (binary digit), represented by a 0 or a 1.

  • Page 33: Index

    Index HP website, providing feedback, Block Double Compatible XRC Pairs, option, Business Copy for Mainframe using with Compatible XRC, Examples controlling write data, Cache logical partition, multiples, Channel extenders, 6, Float not supported, CNT extender, Commands reverse copy and quick restore,...
  • Page 34 Compatible XRC, Tuning the SDM, typographic conventions, Ultranet storage director, Volatile ps on, Volume Sharing Compatible XRC, websites HP , HP Subscriber's Choice for Business, product manuals, Write Data example of controlling, XADDPAIR operation, XDELPAIR operation, XRC panels, XRC workload, Index...

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