Hp XP for Compatible Extended Remote Copy Software Li Uživatelský manuál

HP StorageWorksXP24000/XP20000 for Compatible ExtendedRemote Copy (XRC) Software User's GuidePart number: T5238–96001First edition: January 2008

About this Guide10

1 Overview of Compatible XRCThis chapter summarizes the IBM Compatible XRC process and reviews the copy features that can beused in combination with C

TrueCopyTrueCopy enables you to create copies of volumes in two different storage systems at remote locations.You can manage the data in mainframe sys

2 About Compatible XRC OperationsThis chapter contains details and examples of the data replication process.• Function Overview• Configuration• Intero

is not performed due to the failure. However, the write order (sequence) is maintained so that thewrite process can be re-initiated after recovery.A s

Figure 2 Channel Extender Connection Configuration for Compatible XRCInteroperability with Other Products and FunctionsHP Compatible XRC supports conc

Using Two Compatible XRC Pairs in ConjunctionBy using two HP Compatible XRC pairs in conjunction, you can maintain three copies of data betweenseconda

Figure 5 Configuration with Volume Functioning as Compatible XRC S-VOL and TrueCopy M-VOLUsing Compatible XRC in Conjunction with ShadowImageXRC can b

Figure 7 Configuration with Volume Functioning as Compatible XRC S-VOL and ShadowImageS-VOL• Configuration in which one volume is functioning as XRC P

Figure 9 Configuration with Volume Functioning as Compatible XRC P-VOL and FlashCopy MirroringS-VOL• Configuration in which a volume is functioning as

Legal and notice information© Copyright 2007-2008 Hewlett-Packard Development Company, L.P.Confidential computer software. Valid license from HP requi

Figure 11 Configuration with One Volume Used as P-VOL and Another Volume Used as S-VOLAbout Compatible XRC Operations20

3 Preparing for Compatible XRC OperationsThis chapter outlines all the components that are required for XRC operations.• System Requirements• Requirem

Note: The following channel extender is supported. Channel extender: CNT Ultranet StorageDirector (ATM, IP connections). Line type: ATM lines (Up to 1

Note:When the DKC emulation type is 3990-6 or 3990-6E, only the XRC2 function is supported.When the DKC emulation type is 2105 or 2107, XRC2 or XRC3 i

• XRC operations, as well as TrueCopy Asynchronous for Mainframe operations, utilize additionalcache to store the sidefile queue of asynchronous recor

operation mode setting of Compatible XRC in the Change Option dialog box (seeFigure 13 on page 33).Table 7 HP Compatible XRC in Conventional Models an

whether the Do not Block parameter of the XADDPAIR command of SDM is specified. Fordetails, see Table 8 on page 26 and Table 9 on page 27.Table 8 Beha

Note: You cannot use this setting when the block option of XRC is set to Volume Level.Table 9 Behavior of the Storage System - Block Option of Compati

Behavior of XP24000/XP20000 Disk Array storage systemsOption Settings inCompatible XRCIf Do not Block is Not Specified bySDM (for example, If Block is

• When performing an offline micro program replacement, delete all XRC pairs by XDELPAIRcommand before PS OFF, and then create all pairs again by XADD

ContentsAbout this Guide ... 7Intended Audience ...

Preparing for Compatible XRC Operations30

4 Performing Compatible XRC OperationsThis chapter introduces the XRC windows and it explains how to prepare your system and how toperform XRC operat

Figure 12 Compatible XRC WindowThe Compatible XRC window displays the following items:• XRC option list (at the upper portion in the window)• CLPRDisp

• LV2 SuspendDisplays the setting that is made in Level 2 Suspend in the Change Option dialog box (seeFigure 13 on page 33)• Preview listDisplays sett

If this check box is selected, options are set to all the selected CLPRs. If this check box is cleared,options are only set to the CLPR selected in th

This level of control is performed when the sidefile capacity is equal to or larger than the level-3threshold.Sidefile puncture can occur. The session

This level of control is performed when the sidefile capacity is equal to or larger than the level-2threshold, and is smaller than the level-3 thresho

• Enable radial buttonA SIM indicating that the sidefile exceeds the sleep wait threshold is reported to the host.• Disable radial buttonA SIM is no

The Change Option dialog box closes (see Figure 13 on page 33). The option settings aredisplayed in the Preview list of the Compatible XRC window (see

1. From the Preview list in the Compatible XRC window (see Figure 12 on page 32), select andright-click the CLPR on which you want to delete option s

Setting Compatible XRC Options ... 37Changing Settings in

Performing Compatible XRC Operations40

5 TroubleshootingThis chapter provides troubleshooting information for Compatible Replication for IBM XRC andinstructions for calling technical suppor

Troubleshooting42

A Acronyms and AbbreviationsTable 10 Acronyms and AbbreviationsAsynchronousAsyncRAID ManagerCCIcontrol unitCUEnterprise System Connection (IBM tradema

remote control unitRCUremote IORIOservice information messageSIMsimplexSMPLserial number (also abbreviated as s#)S/Nstorage subsystem identificationSS

IndexSymbolsCompatible XRCchange option panel, 33channel extenders, 14Compatible XRC panel, 31concurrent copy sessions, 23installing software, 29shari

documentationHP website, 7providing feedback, 9Double Compatible XRC Pairs, 16EEnable radial button, 35ESCONconnect prim disk, 24or FICON, 14path, 23p

SessionsCompatible XRC , 23concurrent copy, 23SettingsCompatible XRC options, 37ShadowImage, 12Sidefileasync transfer, 11cache, 11cache memory, 13capa

48

FiguresOverview of HP Compatible XRC Operations ... 131Channel Extender Connection Configura

TablesDocument Conventions ... 81Volume Sharing between XRC

About this GuideThis document describes and provides instructions for using the Compatible Replication for IBM XRCfeatures of the HP XP24000/XP20000 D

Document ConventionsTable 1 Document ConventionsElementConventionCross-reference links and e-mail addressesBlue text: Table 1Website addressesBlue, un

• Technical support registration number (if applicable)• Product serial numbers• Error messages• Operating system type and revision level• Detailed qu