Resynchronize A Mirror - HP XP P9500 User Manual

To be able to continue processing, do either of the following:
Ensure that the Range column displays Volume for all pairs in the same mirror.
In the Preview list, select all but one pair in the same mirror, right click the selected pairs,
and then select Delete.
6. From the Priority list, specify the scheduling order for resynchronizing selected pairs. If Range
is Mirror, the Priority list is disabled.
7. The DKC box displays the following information:
The serial number with the LDKC number.
The controller ID with the model name.
The path type.
8. The Resync Mode box indicates the type of pair resync that will take place when the operation
is executed.
Normal. The split pair whose status is Suspend is recovered (resynchronized).
Delta. The delta resync operation is performed.
Return to standby. The pair status changes from Hlde to Hold.
9. In the Error Level list, select one of the following options to take place if a failure occurs during
resync. Note that if the Range option is set to Mirror, Error Level options are disabled.
Mirror, to cause all pairs in the failed pair's mirror to be split.
Volume, to cause only the specified pair or pairs that failed to be split.
10. Click Set. The Pair Operation window is redisplayed.
1 1. See the Preview list in the Journal Operation window to check the settings that you have made.
If you want to modify a setting, select and right click the setting in the Preview list and
then select Modify.
If you want to cancel a setting, select and right click the setting and then select Cancel.
12. When satisfied, click Apply. This starts the operation. Verify the status when the operation is
completed. To monitor the progress of the operation, see
(page 79).
If an error occurs, the error code appears in the rightmost column of the Preview list. To view
detailed information about the error, right click the error code and select Error Detail.
NOTE:
not change after you perform the delta resync operation, some of the requirements may not
have been fulfilled. Check pair status of the Continuous Access Synchronous Z pair, Continuous
Access Journal Z pair, and Continuous Access Journal Z pair for delta resync to make sure
they are in the required status for delta resync.

Resynchronize a mirror

When you resynchronize a mirror, the data copy from the master journal to the restore journal
restarts.
Prerequisite information
This operation is performed from the primary system only.
Best practice is to resume the mirror when I/O load is low. This reduces impact on performance.
Operations on multiple pairs in the same consistency group with different statuses may result
in suspension during high periods of write I/O.
If the status of the Continuous Access Journal Z pair for delta resync operation does
"Monitor pair activity, status"
Resynchronize a mirror 75