Hitachi G1000 - Pair Condition and Recovery: Secondary System Failure

Pair status I/O mode
Procedure
P-VOL S-VOL P-VOL S-VOL
PSUS/
PSUE
SSWS Block Local Resynchronize the pair specifying the S-
VOL.
SMPL SSWS Not
applicabl
e
Local 1. Delete the pair specifying the S-VOL.
2. When the virtual LDEV ID is set to
the P-VOL, delete the virtual LDEV
ID, and then set the reservation
attribute to the P-VOL.
3. Recreate the pair specifying the S-
VOL.
PSUS/
PSUE
SSUS/
PSUE
Local Block Resynchronize the pair specifying the P-
VOL.
SMPL SSUS/
PSUE
Not
applicabl
e
Block 1. Delete the pair forcibly from the
secondary system, specifying
Disable in the Volume Access field
(Delete Pairs window).
2. Release the reservation attribute of
the P-VOL, and then set the same
virtual LDEV ID that was used before
the pair was deleted.
3. Recreate the pair specifying the P-
VOL.
7. If the alternate path to the P-VOL has been deleted, add the alternate
path.
a. If you have detached the channel port connection paths of the
primary site, restore all channel port connection paths to their original
status, and then add the alternate path.
b. Using the alternate path software, add the alternate path deleted at
step 1 to the P-VOL.
Related topics
•
Pair condition before failure on page 6-7
Pair condition and recovery: secondary system failure
The following table shows transitions for pair status and I/O mode, the
volumes accessible from the server, and location of the latest data when you
can no longer use the secondary system due to failure.
Disaster recovery of global-active device
6-31
Hitachi Virtual Storage Platform G1000 Global-Active Device User Guide