Hitachi ShadowImage for z/OS user guide (HIT9503-96009, January 2008)

Table 24 Accepting PPRC Commands
TSO PPRC Command
ICKDSF PPRCOPY
Command
Issued to S-VOL Issued to T-VOL
CESTPAIR ESTPAIR
OK
Not accepted
CSUSPEND SUSPEND OK
Not accepted
CDELPAIR DELPAIR OK
Not accepted
CQUERY QUERY OK OK
PPRC Commands
with Hitachi ShadowImage™ for z/OS
BothSizandTCzsupportPPRCcommands.Youmustmakesurethatcommandsarebeingexecutedby
the correct program against the correct volumes. A PPRC command issued to the storage system will be
executed by Siz against Siz pairs if all of the following conditions are met. If any of these conditions is
not met, the
PPRC command will be executed by TCz against TCz pairs.
• The Siz feature and software must be installed and enabled on the storage system.
• The serial numbers of the S-VOL and the T-VOL must be defined according to either of the
following:
• Enter the s
ame serial number for both S VOL and T VOL.
• Enter an additional parameter instead of the serial number for the S VOL, and enter the
serial number for the T VOL.
PSF and DEVSERV Commands
Theperformstoragesystemfunction(PSF)commandskeythestoragesystemtoacceptcommandsand
requests from the user. Table 25 on page 106 describes the operability of PSF commands on Siz volumes.
Table 26 on page 107 describes the PSF Read storage system Data and DEVSERV Sense storage system
Status results for Siz volumes.
Table 25 PSF Command Operability for Siz Volumes
Item
Operability for Siz
Device p
air status
See Tabl
e26on page 107.
Percent completion of the
copy operation
Not available for Siz, because the Siz differential bitmap format is different
than the TCz differential bitmap format.
S-VOL with 2 or more
T-VOLs
Displays information for the pair having the T-VOL with the lowest LDEV ID
Path st
atus
Active
Path number
If the volume does not also belong to a TCz pair, 1 is displayed with TCz info.
106
Using PPRC Commands for Hitachi ShadowImage for z/OS