HP XP Command View Advanced Edition Software - Manual (Page 135)

Performing Host Operations 135
Table 9-1 Modify Pair Operations
Target of Operation Operations that can be performed
Copy group If one or more copy pairs in the group are in the Suspend or Error In LUSE status:
• For Continuous Access XP Sync and Continuous Access XP Extension, select Resync.
• For Business Copy XP, select Resync or Restore.
If all copy pairs in the group are in the Split status:
• For Continuous Access XP Sync and Continuous Access XP Extension, select Resync.
• For Business Copy XP and Snapshot XP, select Resync or Restore.
If all copy pairs in the group are in the Pair, Copying, or Reverse-Copying status, select Split.
Other than above:
• For Continuous Access XP Sync and Continuous Access XP Extension, select Split or Resync.
• For Business Copy XP and Snapshot XP, select Split, Resync, or Restore.
Copy pair If the copy pair is in the Split or Suspended status:
• For Continuous Access XP Sync and Extension, select Resync.
• For Business Copy XP and Snapshot XP, select Resync or Restore.
If the copy pair is in Error In LUSE status (StorageWorks XP12000/XP10000 Continuous Access
XP/Continuous Access XP Extension only), select Resync.
If the copy pair is in the Pair, Copying, or Reverse-Copying status, select Split.
Other than above:
• For Continuous Access XP and Continuous Access XP Extension, select Split or Resync.
• For Business Copy XP and Snapshot XP, select Split, Resync, or Restore.
CAUTION: When using Snapshot XP, the Restore operation cannot be performed on the copy pair that
shares the same P-VOL. The Restore operation cannot be selected on the copy group that contains multiple
copy pairs that share the same P-VOL.
NOTE: If you want to change the status of a StorageWorks XP Disk Array Business Copy XP copy pair
whose S-VOL is a P-VOL for Continuous Access XP, the status of the Continuous Access XP pair must be
“Split”.
Table 9-2 lists the requirements for performing operations on Business Copy XP cascaded pairs
(StorageWorks XP Disk Array). The first cascade level is called L1, and the second level is called L2.
An example of cascaded pairs for LDEV1, LDEV2, and LDEV 3 is:
LDEV1 and LDEV2 are the L1 pair, LDEV2 and LDEV3 are the L2 pair, and LDEV2 is an S-VOL for L1 and a
P-VOL for L2.
Table 9-2 Modifying Business Copy XP Cascade Pairs
Operation Required Status
Split operation for L1 pair L2 pair status must be Pair, Copying, Split, or Suspended.
Split operation for L2 pair L1 pair status must be Split.
Resync operation for L1 pair L2 pair status must be Pair, Copying, Split, or Suspended.
Resync operation for L2 pair L1 pair status must be Pair, Copying, Reverse-Copying, Split, or Suspended.
Restore operation for L1 pair L2 pair status must be Pair, Copying, Split, or Suspended.
Restore operation for L2 pair Not allowed.
To modify one or more copy pairs:
1. Log in to Device Manager as a system administrator, storage administrator, local system administrator, or
local storage administrator.
2. Select and expand the Hosts object in the navigation frame (refer to Figure 9-1 ).
3. In the navigation frame, select the host that manages the copy pair(s) you want to modify (see Figure 9-
20 ). If pair management is performed by the central management method, select the desired host under
Hosts.
4. Select Modify Pair to open the Modify Pair wizard (see Figure 9-21 ). If copy pairs are managed in a batch
management configuration, select the host that manages copy pairs from the Replication Management
Console drop-down list, and then select the Modify Pair button to open the Modify Pair wizard.