HP XP P9500 Storage - Manual (Page 87)

Table 37 Continuous Access Synchronous Z operations versus PPRC TSO and ICKDSF commands
(continued)
Description Command
nl issued to:
ICKDSF
nl command
TSO
nl command
Continuous
nl Access
nl Synchronous Z
nl operation
Access Synchronous Z supports the optional
FORMAT/UNFORMAT and VOLUME/PATHS
parameters. PATHS
Establishes a Continuous Access Synchronous
Z pair and sets the initial copy and pair options MCU PPRCOPY
nl ESTPAIR
CESTPAIR(MODE=
COPY) Add Pair
(copy mode = synchronous only, priority = 0,
CFW data = copy to R-VOL, DFW to R-VOL =
not required). Continuous Access Synchronous
Z supports the optional MODE, PACE, and
CRIT parameters. The MSGREQ parameter
defaults to NO.
Suspends a Continuous Access Synchronous
Z pair. Continuous Access Synchronous Z M-VOL or
R-VOL PPRCOPY
nl SUSPEND
CSUSPEND Suspend Pair
supports the optional PRIMARY parameter. See
WARNING about the QUIESCE parameter at
the end of this section.
Releases a Continuous Access Synchronous Z
pair from the MCU. M-VOL PPRCOPY
nl DELPAIR
CDELPAIR Delete Pair (to
MCU)
Releases a Continuous Access Synchronous Z
pair from the RCU. R-VOL PPRCOPY
nl RECOVER
CRECOVER Delete Pair (to
RCU)
Displays the Continuous Access Synchronous
Z pair status of the volume. Continuous Access M-VOL or
R-VOL PPRCOPY
QUERY/
nl
CQUERY/
VOLUME Detailed
Information
Synchronous Z supports the optional VOLUME
FORMAT/UNFORMAT and VOLUME/PATHS
parameters.
Resynchronizes a Continuous Access
Synchronous Z pair, and sets the Continuous M-VOL PPRCOPY
ESTPAIR CESTPAIR(MODE=
RESYNC) Resume Pair
Access Synchronous Z initial copy options and
pair options. Continuous Access Synchronous
Z supports the optional MODE, PACE, and
CRIT parameters.
Supported by Continuous Access Synchronous
Z. Redirects application I/Os from the M-VOL
to the R-VOL. M-VOL and
R-VOL — P/DAS SWAP —
Supported by Continuous Access Synchronous
Z. MCU
(M-VOL or
simplex) — CGROUP
(FREEZE/ RUN) —
CAUTION: The QUIESCE option of the CSUSPEND command has been disabled by APAR
OW15247 or APAR OW15248. See either of these APARs and the latest IBM PPRC documentation
for detailed information on the QUIESCE option of the CSUSPEND command. Please check with
your HP account team before using the CSUSPEND command with the QUIESCE option to suspend
Continuous Access Synchronous Z pairs on P9500 storage systems. If the CSUSPEND command
with the QUIESCE option is issued to certain volumes (for example, active SPOOL, PAGE, or
CATALOG datasets, active SYSRES volume), the attached host(s) may enter a deadlock condition
and may require a storage control IML to correct the condition.
•
For Fibre Channel interface, do not use the CESTPATH and CDELPATH commands at the same
time as the SCSI path definition function of LUN Manager. The FC ports need to be configured
Overview of PPRC commands 87