Steps for recovery
1. Recover the path.
a. Using the alternate path software or other tools, identify the path that
cannot be accessed from the server.
b. Using SAN management software, identify the failure location; for
example, a host bus adapter, FC cable, switch, or other location.
c. Remove the cause of failure and recover the path.
2. Using the alternate path software, resume I/O from the server to the
recovered path (I/O may resume automatically).
Related topics
•
Failure locations on page 6-3
• SIMs related to GAD on page 6-6
Pair condition and recovery: P-VOL failure (LDEV blockade)
The following table shows transitions for pair status and I/O mode, the
volumes that are accessible from the server, and the location of the latest
data when you can no longer use the P-VOL due to LDEV blockade.
Disaster recovery of global-active device
6-11
Hitachi Virtual Storage Platform G1000 Global-Active Device User Guide
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