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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
Multiple CLPR use..............................................................................................................12
3390-A and 3390-M devices..............................................................................................12
Offline microcode replacement or volatile PS on....................................................................12
Maintenance.....................................................................................................................12
Setting change of the processor blade assigned to LDEVs........................................................13
Replacing online microcode................................................................................................13
3 Interoperability with other products and functions..........................................14
Terminology...........................................................................................................................28
Volume sharing between Compatible XRC and other copy functions..............................................14
Using two Compatible XRC pairs in conjunction.........................................................................14
Using Compatible XRC in conjunction with Continuous Access Synchronous Z ...............................15
Volume functioning as Compatible XRC P-VOL and Cnt Ac-S Z M-VOL.......................................15
Volume Functioning as Compatible XRC S-VOL and Cnt Ac-S Z M-VOL......................................15
Using Compatible XRC in conjunction with Business Copy Z.........................................................15
Volume functioning as Compatible XRC P-VOL and BC Z S-VOL...............................................16
Volume functioning as Compatible XRC S-VOL and BC Z S-VOL...............................................16
Volume as Compatible XRC P-VOL and BC Z S-VOL, another volume as Compatible XRC S-VOL
and BC Z S-VOL................................................................................................................16
Using Compatible XRC in conjunction with Compatible FlashCopy................................................17
Volume functioning as Compatible XRC P-VOL and Compatible FlashCopy S-VOL.......................17
Volume functioning as Compatible XRC S-VOL and Compatible FlashCopy S-VOL......................17
One volume functioning as P-VOL and S-VOL, and another volume functioning as S-VOL and
S-VOL...............................................................................................................................17
Using Compatible XRC in conjunction with Compatible FlashCopy SE...........................................18
Using Compatible XRC in conjunction with Thin Provisioning Z or Smart Tiers Z..............................18
Using Compatible XRC in conjunction with Hyper Parallel Access Volumes.....................................18
Using Compatible XRC with other VSP software .........................................................................18
4 Using Compatible XRC..............................................................................19
Launching Compatible XRC......................................................................................................19
Setting the Compatible XRC options..........................................................................................19
Changing the settings in the preview list....................................................................................19
Deleting the settings in the preview list.......................................................................................20
5 Troubleshooting........................................................................................21
General troubleshooting..........................................................................................................21
Console messages..................................................................................................................21
Contents
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