HP P9000 for Compatible FlashCopy Mirroring User Guide (AV400-96388, October 2011)

example, the FCESTABL command establishes a relationship of the volumes (devices) numbered
4202 and 4203, and at the same time, suspends the write operation from the host to the source
device numbered 4202.
Example 40 FCESTABL command (Compatible FlashCopy SE / ACTION specified)
FCESTABL SDEVN(X'4202') TDEVN(X'4203') ACTION(FREEZE) SETGTOK(YES) MODE(NOCOPY)
To resume the write operation to S-VOLs, you need to issue the FCWITHDR command with the
ACTION parameter specified.
Releasing a Compatible FlashCopy SE Relationship
Withdrawing Compatible FlashCopy SE pairs: FLASHCPY WITHDRAW
To delete a Compatible FlashCopy SE pair by using the ICKDSF FLASHCPY WITHDRAW command:
1. If the OS of the host server is MVS, specify the JCL statement in the DDNAME parameter, or
specify the S-VOL device number of the Compatible FlashCopy pair that you want to delete
for the UNITADDRESS parameter.
2. Specify SYSNAME of the ASSGN system control statement in the SYSNAME parameter if the
OS of the host server is VSE.
3. Specify the CU number, LDEV number, and device number of the T VOL in the TARGETVOL
parameter.
4. Execute the FLASHCPY WITHDRAW command in NOCOPY mode. See the next example.
Example 41 FLASHCPY WITHDRAW command description
FLASHCPY WITHDRAW UNIT(X'7000') TARGETVOL(X'00',X'01',7001) MODE(NOCOPY)
NOTE: When the FLASHCPY WITHDRAW command is executed, all the dataset relationships
existing in the specified volume will be deleted.
The FLASHCPY WITHDRAW command and the applicable combinations are predetermined. If you
specify any other parameter than the predetermined combinations, the FLASHCPY WITHDRAW
command is normally ended without executing any process. The following table describes the
parameters of the FLASHCPY WITHDRAW command and the applicable combinations. See the
following table and specify any other necessary parameters.
Table 54 Parameters of FLASHCPY WITHDRAW command and applicable combinations
Background copyingParameter
Relationship after completionExecutedMODETARGETVOLDDNAME,
SYSNAME,
UNITADDRESS
ReleasedNoNOCOPY or not
specified
T-VOLS-VOL
ReleasedNoALLS-VOL or some other
volume
T-VOL
The background copying process is executed on the relationship whose copy source exists in the
volume specified as DDNAME, SYSNAME, or UNITADDRESS. In addition, the relationship whose
copy source exists in the volume specified as DDNAME, SYSNAME, or UNITADDRESS is to be
released.
92 Performing Compatible FlashCopy SE operations