HP XP7 for Compatible FlashCopy Mirroring User Guide (TK940-96001)

1. If the OS of the host server is MVS, do one of the following:
• Specify the JCL statement in the DDNAME parameter.
• Specify the S-VOL device number of the relationship that you want to delete for the
UNITADDRESS parameter.
2. If the OS of the host server is VSE, specify the SYSNAME of the ASSGN system control
statement in the SYSNAME parameter.
3. In the TARGETVOL parameter, specify the CU number, LDEV number, and device number of
the T-VOL.
4. As shown in the following table, specify any other necessary parameters and execute the
FLASHCPY WITHDRAW command as shown in the following example:
FLASHCPY WITHDRAW UNIT(X'7000') TARGETVOL(X'00',X'01',7001) MODE(COPY)
NOTE: When the FLASHCPY WITHDRAW command is executed, all of the dataset
relationships in the specified volume are deleted.
The FLASHCPY WITHDRAW command and the applicable combinations are predetermined. If you
specify a parameter that is not one of the predetermined combinations, the FLASHCPY WITHDRAW
command is normally ended without executing any processes.
The following table shows the FLASHCPY WITHDRAW parameters and applicable combinations:
Table 46 Parameters of FLASHCPY WITHDRAW command and applicable combinations
Background copyingParameter
Relationship after completionExecutedMODETARGETVOLDDNAME,
SYSNAME,
UNITADDRESS
Maintained when CHANOERECORDINO =
YES
YesCOPYT-VOL or some other
volume
S-VOL
Released when CHANOERECORDINO = NO
ReleasedNoNOCOPY or not
specified
T-VOLS-VOL
Maintained when CHANOERECORDINO =
YES
YesALLT-VOL or some other
volume
S-VOL
Released when CHANOERECORDINO = NO
ReleasedNoALLS-VOL or some other
volume
T-VOL
The background copying process is executed on the relationship when the copy source of the
relationship is in the DDNAME, SYSNAME, or UNITADDRESS-VOLume. In addition, the relationship
is released when its copy source is in the DDNAME, SYSNAME, or UNITADDRESS-VOLume.
Using ANTRQST macro to release Compatible FlashCopy relationships
The following table shows the parameters that you use with the ANTRQST Macro command when
you release Compatible FlashCopy relationships:
Table 47 Parameters for the ANTRQST macro command (REQUEST=FCWITHDRAW)
DescriptionValueParameter
Specifies the device number (device address) of the S-VOL on which you want to
perform the FCWITHDRAW command.
Source device
number
SDEVN
Specifies the device number (device address) of the T-VOL on which you want to
perform the FCWITHDRAW command.
Target device
number
TDEVN
Releasing Compatible FlashCopy relationships 87