Hitachi ShadowImage for z/OS user guide (December 2005)

ShadowImage for z/OS user guide 105
The table below is shows the operations that can be performed on the FlashCopy Mirror Version 2 pairs.
NOTE: OK only when the conditions described in ”Volume Copying and Dataset Copying” on page 96
are satisfied.
Even if the SIz S-VOL already has three T-VOLs, you can create up to 16 pairs by specifying the volumes of
FlashCopy Mirror Version 2 pairs as the copy source.
In the cases shown below, you cannot create SIz pairs (see also Figure 53).
• The case the S-VOL of the FlashCopy Mirror Version 2 pair and the T-VOL of the Siz pair is shared.
• The case the T-VOL of the FlashCopy Mirror Version 2 pair and the T-VOL of the Siz pair is shared.
Table 50 Relationship Between FlashCopy Mirror Version 2 Pair and Operation of the Copy Solutions
Copy Solution Operation FlashCopy Mirror Version 2 Pair
Pair exists Pair does not exist
FlashCopy Mirror Version 2 Establish relationship OK OK (See Note below)
Withdraw relationship OK OK (See Note below)
SIz Add Pair OK OK
Split Pair OK OK
Suspend Pair OK OK
Resync Pair OK OK
Reverse Resync OK N/A
Quick Restore OK N/A
Delete pair OK OK
Table 51 Relationship Between SIz Pair Status and FlashCopy Mirror Version 2 Operations
SI-FCv2
operation
SIz Pair Status
Simplex Pending Duplex SP-Pend V-Split Split Resync Resync-R Suspend
Establish relation OK OK OK OK OK OK OK NG OK
Withdraw
relation
OK OK OK OK OK OK OK NG OK