HP StorageWorks XP24000 for FlashCopy Mirroring Software User's Guide (T5240-96001, June 2007)

Figure 2 on page 18 illustrates a configuration in which you share ShadowImage for Mainframe
T-VOLs and S-VOLs for the Version 1 relationships. In addition to this configuration, you m ay specify
a
ShadowImage for Mainframe S-VOL as an S-VOL of a Version 1 relationship. The following table
shows the c ombination of the volumes when you establish a Version 1 relationship with ShadowImage
for Mainframe pair volumes.
Table 5 Volume Combinations for Version 1 and ShadowImage for Mainframe
ShadowImage for
Mainframe Pair Status
ShadowImage for
Mainframe Pair
Version 1 Relationship
S-VOL T-VOL
Simplex N/A
OK OK
Pending
S-VOL OK
No
T-VOL
No No
Duplex
S-VOL OK No
T-VOL
No No
SP-Pend
S-VOL OK
No
T-VOL No No
V-Split
S-VOL OK
No
T-VOL
No No
Split
S-VOL OK No
T-VOL OK
No
Resync
S-VOL OK
No
T-VOL No No
Resync-R
S-VOL
No No
T-VOL
No No
Suspend
S-VOL OK No
T-VOL
No No
Note: You cannot specify a ShadowImage for Mainframe S-VOL which already has three T-VOLs as a
Version 1 copy source.
Using Version 1 with TrueCopy for Mainframe
The following table shows whether you can or cannot share Version 1 volumes with TrueCopy for
Mainframe volumes. Basically, TrueCopy for Mainframe includes both TrueCopy Synchronous for
Mainframe and TrueCopy Asynchronous for Mainframe.
XP24000 for FlashCopy Mirroring Software User's Guide
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