Restoring a Pair of Data Volumes
The Resume Pair window (Figure
Note: If the primary or secondary storage system is powered off and its backup batteries are fully discharged while pairs are suspended, the primary/secondary data volume bitmaps will not be retained. In this unlikely case, the primary/secondary storage system will mark all cylinders/tracks of all suspended volumes as modified, so that the primary storage system will perform the equivalent of an entire initial copy operation when the pairs are resumed.
The administrator of the primary storage system can follow the procedure below to restore one or more pairs that have been split, or to perform delta resync operation. Note that the administrator of the secondary storage system cannot perform the following operation.
1.Ensure that the Storage Navigator main window is in Modify mode.
For detailed information about how to do this, please refer to Storage Navigator User’s Guide.
2.Ensure that the Pair Operation window is displayed.
3.If any pair was suspended due to an error condition (use the Detailed Information window to view the suspend type), make sure that the error condition has been removed. The primary storage system will not resume the pair(s) until the error condition has been removed.
4.In the tree, select a CU image number.
5.In the list, select and
The result of this operation differs according to the status of the selected mirror.
–When you select the pair in Suspend status, the split pair will recover.
–When you select the pair in Hold status, delta resync operation will be performed.
–When you select the pair in Hlde status, the status will change to Hold.
6.From the
7.In the Resume Pair window, select the desired options for the pair(s).
8.Select Set to close the Resume Pair window.
9.See the Preview list in the Pair Operation window to check the settings that you have made.
Chapter 8 Performing Pair Operations |
