HP XP7 Storage User Manual
Page 50
Table 23 Parameters for the ICKDSF command (FLASHCPY ESTABLISH) (continued)
Description
Value
Parameter
NO is the default setting.
Specifies the CU number, the LDEV number, or the device number
of the S-VOL when you use the Remote FlashCopy function.
CU number
LDEV number
SOURCEVOL or SRCVOL
Source device number
Establishes the relationship using the Preserve Mirror FlashCopy
function. If the relationship cannot be established, the system
REQUIRED
PRESERVEMIRROR or PRESMIR
rejects the command. TGTOKASPPRCPRIM(YES) must be specified
as well.
Establishes the relationship using the Preserve Mirror FlashCopy
function. If the relationship cannot be established, the copy
PREFERRED
operation is executed using the existing FlashCopy to PPRC
primary volume function. TGTOKASPPRCPRIM(YES) must be
specified as well.
Establishes the relationship without using the Preserve Mirror
FlashCopy function. If PRESERVEMIRROR is not specified, NO is
set by default.
NO
Can specify the target T-VOLs as TSE-VOLs.
YES
SETGTOK*
Cannot specify the target T-VOLs as TSE-VOLs.
NO
*Valid in Compatible FlashCopy SE.
To create a Compatible FlashCopy relationship using the ICKDSF command FLASHCPY
ESTABLISH
:
1.
Set the T-VOL to offline.
If the ONLINTGT parameter is set to YES, the T-VOL will automatically be offline when creating
relationships.
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.
Execute the FLASHCPY ESTABLISH command, for example:
FLASHCPY ESTABLISH UNIT(X'7000')
TARGETVOL(X'00',X'01',7001) CHANOERECORDINO(YES)
ONLINTGT(YES)
Creating Compatible FlashCopy relationships using Incremental FlashCopy (Reverse Restore):
FLASHCPY ESTABLISH
To create Compatible FlashCopy relationships, you use the Incremental FlashCopy function and
then reverse the S-VOL and the T-VOL (Reverse Restore) so that the differential data is copied.
To create Compatible FlashCopy relationships:
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.
Execute the FLASHCPY ESTABLISH command (Incremental FlashCopy), specifying YES for
the CHANOERECORDINO parameter, for example:
50
Performing Compatible FlashCopy operations