Hitachi ShadowImage for z/OS user guide (HIT9503-96007, October 2007)

ShadowImage for z/OS user guide 125
7. 4 .1.3 C o m b i n i n g C o m p a t i b l e M i r r o r i n g f o r IBM® FlashCopy® Version 2 With Universal
Replicator for z/OS®
The following table shows combination of the volumes when you use FlashCopy® Mirror Version 2 with
URz.
Table 57 Whether Reverse Restore Can be Performed When FlashCopy® Mirror Version 2 Volume is
Used as URz Volume
The following table shows whether Reverse Restore can be performed when a FlashCopy® Mirror Version
2 volume is used as a volume of a URz pair.
Table 58 Whether Reverse Restore Can be Performed When FlashCopy® Mirror Version 2 Volume is
Used as URz Volume
Combining Compatible Mirroring for IBM® FlashCopy® Version 2 With XRC Replication
The following table shows combination of the volumes when you use FlashCopy® Mirror Version 2 with
XRC Replication.
The following table shows whether Reverse Restore can be performed when a FlashCopy® Mirror Version
2 volume is used as an XRC Replication volume.
Figure 65 Whether Reverse Restore Can be performed when FlashCopy® Mirror Version 2 Volume is Used
as XRC Replication Volume.
FlashCopy Mirror
Version 2
URz
P-VOL S-VOL
S-VOL OK NO
T-VOL NO NO
FlashCopy Mirror
Version 2
URz
P-VOL S-VOL
S-VOL NO N/A
T-VOL N/A N/A
Table 59 Whether FlashCopy® Mirror Version 2 Volume Can be Used as XRC Replication Volume
FlashCopy Mirror
Version 2
XRC Replication
P-VOL S-VOL
S-VOL OK OK
T-VOL NO NO*
*Do not share FlashCopy® Mirror Version 2 T-VOL with XRC Replication S-VOL. If
a T-VOL (S-VOL) is shared by both FlashCopy® Mirror Version 2 and XRC
Replication, the data in the T-VOL (S-VOL) will be overwritten by the two programs
and will be destroyed.
FlashCopy Mirror
Version 2
XRC Replication
P-VOL S-VOL
S-VOL NO NO*
T-VOL N/A N/A
Do not execute Reverse Restore when an S-VOL is shared by FlashCopy® Mirror
Version 2 and XRC Replication. If you execute Reverse Restore when an S-VOL is
shared by FlashCopy® Mirror Version 2 and XRC Replication, the data in the
S-VOL will be overwritten by the two programs and will be destroyed.