Recovery for cnt ac-j z/bc z configurations – HP XP7 Storage User Manual
Page 112
If pair status is not Hold, match the pair’s actual statuses in the following table and then perform
the corrective action.
Corrective action
Current status
Local site: Duplex or Pending Duplex
1.
Make sure that the status of the pair in the local site is Suspend.
Cnt Ac-J Z remote site: Hold
2.
Release the Cnt Ac-J Z pair from the local site.
3.
Make sure that all the pairs belonging to the journal in the local site are
released.
4.
Create a Cnt Ac-J Z delta resync pair that extends from the local site to
the Cnt Ac-J Z remote site.
Local site: Suspend
1.
Release the Cnt Ac-J Z pair from the local site.
Cnt Ac-J Z remote site: Hold
2.
Make sure that all the pairs belonging to the journal in the local site are
released.
3.
Create a Cnt Ac-J Z delta resync pair that extends from the local site to
the Cnt Ac-J Z remote site.
Change the status of the Hlde pair back to Hold.
Local site: Hlde
Cnt Ac-J Z remote site: Hold
Local site: unpaired
1.
Release the pair in Hold status from the Cnt Ac-J Z remote site.
Cnt Ac-J Z remote site: Hold
2.
Create a Cnt Ac-J Z delta resync pair that extends from the local site to
the Cnt Ac-J Z remote site.
Recovery for Cnt Ac-J Z/BC Z configurations
See
“Configurations with Business Copy Z secondary volumes ” (page 154)
for information and
illustrations on the configuration covered in this procedure.
You resume host operations to the remote Continuous Access Journal Z secondary volume if a
disaster or failure occurs at the local site where the Cnt Ac-J Z P-VOL is shared with the Business
Copy Z (BC Z) secondary volume. Then you recover the local site and then resume host operations.
Procedure 42 To recover a Cnt Ac-J Z P-VOL/BC Z S-VOL configuration
1.
Release the BC Z pair using the YKDELETE command.
2.
Suspend the Cnt Ac-J Z pair using the YKSUSPND REVERSE command.
3.
Reverse the copy direction and re-establish the Cnt Ac-J Z pair using the YKRESYNC REVERSE
command.
4.
Delete the Cnt Ac-J Z pair using the YKDELETE command.
5.
Reverse the copy direction of the Cnt Ac-J Z pair again to the original direction and re-establish
the pair using the YKRESYNC FORWARD command.
6.
Suspend the Cnt Ac-J Z pair using the YKSUSPND command.
7.
Reverse the copy direction of the BC Z pair using the YKMAKE command.
8.
Release the BC Z pair using the YKDELETE command.
9.
Reverse the copy direction of the BC Z pair again to the original direction and re-establish
the pair using the YKMAKE command.
10. Suspend the BC Z pair using the YKSUSPND command.
11. Recreate the Cnt Ac-J Z pair using the YKMAKE command.
The system becomes the original configuration again.
112
Cnt Ac-J Z disaster recovery operations