HP XP7 Business Copy for Mainframe Systems User Guide (TK913-96001)

Because BC Z and Cnt Ac-S Z support PPRC, a failure to meet these requirements can result in a
PPRC command being run on a Cnt Ac-S Z pairs instead.
Perform Storage System Function commands and Business Copy Z
With Perform Storage System Function (PSF) commands, you can run PPRC commands and user
requests in the XP7 storage system.
The following table shows how PSF commands interact with BC Z pairs.
Interaction with BC Z pairsPSF commands
For more information about device pair status, see the following table.Device pair status
The differential bitmap format is different than Cnt Ac-S Z’s.Rate of synchronization
This PSF command is not available with BC Z pairs.
Shows information for the pair with an S-VOL that has the lowest LDEV ID.Primary volume with 2 or more S-VOLs
Active.Path status
If the volume is not part of a Cnt Ac-S Z pair, 1 is shown with Cnt Ac-S Z
information.
Path number
PSF and DEVSERV command results and examples
The following table shows the PSF and DEVSERV command results.
DEVSERV Sense Subsystem StatusPSF Read Subsystem DataPair status
S-VOLP-VOLS-VOLP-VOL
PSEC-PNDGPPRI-PNDGPSEC-PNDGPPRI-PNDGPENDING
PSECONDRYPPRIMARYPSECONDRYPPRIMARYDUPLEX
PSEC-PNDGPPRI-PNDGPSEC-PNDGPPRI-PNDGSP-Pend/TRANS
UnpairedPPRI-SUSPPSEC-SUSPPPRI-SUSPV-Split/SUSPVS
UnpairedPPRI-SUSPPSEC-SUSPPPRI-SUSPSplit/SUSPOP
PSEC-SUSPPPRI-SUSPPSEC-SUSPPPRI-SUSPSuspend/SUSPER
PSEC-PNDGPPRI-PNDGPSEC-PNDGPPRI-PNDGResync/PENDING
Note: PPRIMARY and PSECONDRY indicate that the volume status is “DUPLEX”.
The following image shows an example of the DEVSERV command:
Creating pairs with CESTPAIR and PPRCOPY ESTPAIR
Prerequisite: The S-VOL must be offline.
• Run the one of the following commands to the P-VOL:
• (For PPRC) CESTPAIR
• (For PPRCOPY) PPRCOPY ESTPAIR
92 Business Copy Z pair user tasks using IBM PPRC