HP XP7 for Compatible FlashCopy Mirroring User Guide (TK940-96001)

Data is copied in each Compatible FlashCopy relationship, but not in the Cnt Ac-S Z pairs.If the
Withdraw command is issued to release the Compatible FlashCopy relationship, P-VOL and S-VOL
in Cnt Ac-S Z#2 becomes inconsistent.
Figure 18 The flow of Preserve Mirror Compatible FlashCopy function (COPY mode) after the copy
processsing finished
Each Compatible FlashCopy relationship is released after the copying process is completed.
The following table shows the Preserve Mirror Compatible FlashCopy functions that can be used
with other Compatible FlashCopy functions.
Other Compatible FlashCopy functions possible?Preserve Mirror Compatible FlashCopy Function
YesVolume copy
YesDataset copy
YesCOPY mode
YesNOCOPY mode
YesIncremental FlashCopy
YesUsing Consistency Groups for Dataset Copies
YesReverse Restore
YesFlashCopy to PPRC Primary
NoFast Reverse Restore
NoCompatible FlashCopy SE
Options required for the Preserve Mirror Compatible FlashCopy function (Compatible
FlashCopy only)
The following options are required when establishing a Compatible FlashCopy relationship using
the Preserve Mirror Compatible FlashCopy function:
• DFSMSdss: FCTOPPRCPRIMARY(PRESMIRREQ or PRESMIRRPREF)
• TSO: PRESERVEMIRROR(REQUIRED or PREFERRED)
• ICKDSF: PRESERVEMIRROR(REQUIRED or PREFERRED)
• ANTRQST Macro: PRESMIR(REQ or PREF)
24 About Compatible FlashCopy