Hitachi AMS 2000 User Manual page 70

Table 4-4: DP Pool for P-VOL Statuses and Availability of Pair Operation
DP Pool Statuses, DP Pool Capacity Statuses, and DP Pool Optimization
Pair Operation
Normal
Create pair 0 (1)
Split pair 0
Resync pair 0 (1)
Swap pair 0 (1)
Delete pair 0
Table 4-5: DP Pool for S-VOL Statuses and Availability of Pair Operation
Pair Operation
Normal
Create pair 0 (2)
Split pair 0
Resync pair 0 (2)
Swap pair 0 (2)
Delete pair 0
(1) Refer to the status of the DP pool to which the DP-VOL of the S-VOL
belongs. If the status exceeds the DP pool capacity belonging to the S-VOL
by the pair operation, the pair operation cannot be performed.
(2) Refer to the status of the DP pool to which the DP-VOL of the P-VOL
belongs. If the status exceeds the DP pool capacity belonging to the P-VOL
by the pair operation, the pair operation cannot be performed.
(3) When the DP pool was created or the capacity was added, the
formatting operates for the DP pool. If pair creation, pair resynchronization,
or swapping is performed during the formatting, depletion of the usable
capacity may occur. Since the formatting progress is displayed when
checking the DP pool status, check if the sufficient usable capacity is
secured according to the formatting progress, and then start the operation.
• Operation of the DP-VOL during TCE use
When using the DP-VOL created by Dynamic Provisioning for a P-VOL,
an S-VOL, or a data pool of TCE, any of the operations among the
capacity growing, capacity shrinking, LU deletion, and Full Capacity
4–14
Hitachi AMS 2000 Family TrueCopy Extended Distance User Guide
Capacity in Capacity
Growth Depletion
0 x (1)
0 0
0 x (1)
0 x (1)
0 0
Capacity in Capacity
Growth Depletion
0 x (2)
0 0
0 x (2)
0 0 (2)
0 0
Plan and design—arrays, volumes and operating systems
Statuses
Regressed Blocked
0 x
0 0
0 x
0 0
0 0
Regressed Blocked
0 x
0 0
0 0
0 x
0 0
DP in
Optimization
0
0
0
0
0
DP in
Optimization
0
0
0
0
0