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

Table 23 Parameters for the ICKDSF command (FLASHCPY ESTABLISH) (continued)
DescriptionValueParameter
Cannot be specified the target T-VOLs as TSE-VOLs.NO
*
Valid in Compatible FlashCopy SE.
To create a Compatible FlashCopy pair by using the ICKDSF FLASHCPY ESTABLISH command:
1. Set the T-VOL to offline.
If the ONLINTGT parameter is set to YES, the T-VOL will automatically be offline when creating
pairs.
2. Specify the JCL statement in the DDNAME parameter, or specify the S-VOL device number in
the UNITADDRESS parameter.
3. Specify the CU number, LDEV number, and device number of the T-VOL for the TARGETVOL
parameter.
4. See the previous table and specify any other necessary parameters.
5. Execute the FLASHCPY ESTABLISH command. See the following example.
Example 7 FLASHCPY ESTABLISH command
FLASHCPY ESTABLISH UNIT(X'7000') TARGETVOL(X'00',X'01',7001) CHANGERECORDING(YES) ONLINTGT(YES)
Creating compatible FlashCopy pairs by using incremental FlashCopy (Restore): FLASHCPY
ESTABLISH
To re-create pairs and copy the differential data after creating Compatible FlashCopy pairs by
using the Incremental FlashCopy function:
1. Set the T-VOL to offline.
2. Specify the JCL statement in the DDNAME parameter or specify the S-VOL device number in
the UNITADDRESS parameter.
3. Specify the CU number, LDEV number, and device number of the T-VOL for the TARGETVOL
parameter.
4. Specify YES for the CHANGERECORDING parameter and execute the FLASHCPY ESTABLISH
command. See the following example.
Example 8 FLASHCPY ESTABLISH command (Incremental FlashCopy)
FLASHCPY ESTABLISH UNIT(X'7000') TARGETVOL(X'00',X'01',7001) CHANGERECORDING(YES)
The Compatible FlashCopy pair will be created.
5. Specify the RESTORE parameter and execute the FLASHCPY ESTABLISH command. See the
following example.
Example 9 FLASHCPY ESTABLISH command (RESTORE Specified)
FLASHCPY ESTABLISH UNIT(X'7000') TARGETVOL(X'00',X'01',7001) RESTORE
When the S-VOL is updated, only the data of the updated part of the S-VOL (differential data) will
be copied to the T-VOL. When the T-VOL is updated, only the data of the updated part of the T-VOL
will be copied from the S-VOL.
Set the CHANGERECORDING parameter to YES to maintain the relationship after the copying
process is completed and to manage the differential data between the S-VOL and the T-VOL. If
CHANGERECORDING parameter is not specified, the relationship will be deleted after the copying
process is completed.
48 Performing Compatible FlashCopy operations