HP XP Business Copy Software - Manual (Page 99)

ShadowImage for z/OS user guide 99
If the dataset(s) uses the following items, you must also specify those items by the EXTENTS parameter.
• INDEX VTOC.
• VSAM volume dataset of the VSAM file (SYS1.VVDS.Vxxxxxx,xxxxxx is VOLSER).
4. Change the VOLSER of the T-VOL. You must change the VOLSER of the T-VOL before varying the T-VOL
online because the VOLSERs of the S-VOL and T-VOL become identical as a result of copying VTOC.
5. Vary the T-VOL online.
Adding ShadowImage - FlashCopy Pairs: FCESTABL
The following shows an example of the FCESTABL command.
Example: FCESTABL Command
Deleting ShadowImage - FlashCopy Pairs: FCWITHDR
The FCESTABL command can be issued to an ShadowImage - FlashCopy pair for which a relationship has
already been established. The following shows an example of the FCWITHDR command.
CAUTION: If a pair is deleted by the FCWITHDR command, the data integrity of the T-VOL cannot be
guaranteed.
Example: FCWITHDR Command
Displaying ShadowImage - FlashCopy Pair Status: FCQUERY
The FCQUERY command can be used to display ShadowImage - FlashCopy pair status. The following
shows an example of FCQUERY command.
Example: FCQUERY Command
Cautions on Switching Off the Power Supply When Using ShadowImage -
FlashCopy
If you have to switch off the power supply of the disk array during ShadowImage - FlashCopy operations,
make sure to complete copying for the ShadowImage - FlashCopy pair, and then switch off the power
supply. If the shared memory is volatilized when you switch on the power supply again, the following
conditions occur:
• The relationship of the ShadowImage - FlashCopy pair is deleted.
FCESTABL SDEVN(X’DE80’) TDEVN(X’DE81’) MODE(COPY) ONLINTGT(YES)
EXTENTS(X’00010000’ X’0100000E’)
FCWITHDR SDEVN(X’DE80’) TDEVN(X’DE81’)
ANTF0090IF CQUERY Formatted
DEVN SSID LSS CCA CU SERIAL STATUS
0A4D 2830 03 0D 2105 0000325476 FC . . . . . 88%
____ 2830 03 07 2105 0000325476 FC . . . . . . . .
Table 42 Status displayed by FCQUERY command
Displayed Status Description
SIMPLEX Volume is in the simplex status.
XRC Volume used by Compatible Replication for IBM XRC source volume.
PPRC Volume of a PPRC pair.
FC xxx% Volume of ShadowImage - FlashCopy pair. If data is being copied in the background, the
copy progress (%) is also displayed.