Pair Operations Using Pprc Commands When S-Vol Is Online; Creating Pairs With Cestpair And Pprcopy Estpair; Cestpair Parameters And Examples - HP XP7 User Manual

Pair operations using PPRC commands when S-VOL is online

Pair split and pair deletion operations can be done using PPRC commands when an S-VOL is
online, but whether you can perform pair creation and pair resync operations depends on the
ONLINSEC parameter.
The following table shows whether pair creation and resync operations are possible using PPRC
commands when an S-VOL is online.
Pair operation
Pair create
Pair resync

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

CESTPAIR parameters and examples

The following table describes the CESTPAIR PPRC command parameters used to create pairs.
Parameter
DEVN
PRIM
SEC
MODE
PACE
CRIT
MSGREQ
ONLINSEC parameter
YES
Yes
Yes
Value
Device number
Primary volume: SSID, serial number, channel
connection address, and CU number.
To request the Add and Split, set MSF00
instead of a serial number.
Note: This parameter is valid for MODE(COPY)
or MODE(NOCOPY) only.
To assign a pair to a CG, set MAnn0 instead
of a serial number.
Note: nn is a CTG ID.
Secondary volume: SSID, serial number,
channel connection address, and CU number.
COPY
2
NOCOPY
Any number
Not applicable
2
YES
NO
No
No
Description
NA
You must use these parameters to successfully run
the command.
NA
The HP XP7 storage system recognizes only COPY
for the MODE parameter, even if NOCOPY is
specified.
Copy speed is medium, regardless what you specify
for the PACE parameter.
Not used by BC Z.
MSGREQ function is applicable.
Note: You cannot use the MSGREQ function when
an Add and Split is required. If you specify YES
Pair operations using PPRC commands when S-VOL is online
Not specified
No
No
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