Recover system procedure
The recover system procedure recovers the entire storage system if the system state
is lost from all control enclosure node canisters. The procedure re-creates the
storage system by using saved configuration data. The saved configuration data is
in the active quorum disk and the latest XML configuration backup file. The
recovery might not be able to restore all volume data. This procedure is also
known as Tier 3 (T3) recovery.
CAUTION:
If the system encounters a state where:
v No nodes are active, and
v One or more nodes have node errors that require a node rescue, node canister
replacement, or node firmware reinstallation
STOP and contact IBM Remote Technical Support. Initiating this T3 recover
system procedure while in this specific state can result in loss of the XML
backup of the block volume storage configuration.
Before you recover the storage system, shut down the file modules:
v From a workstation with access to the management subnet, log on to the
management CLI as an administrator. For example, the default admin password
is admin0001.
v ssh admin@<management IP>
v stopcluster
After you complete the following storage system recovery procedure, refer to
Turning on the system, located in the Information Center, to power the file
modules back on.
Contact IBM Remote Technical support if the health indicator in the management
GUI does not turn back to green within 30 minutes. They can assist you with
recovering the file modules so that access to the file systems can be restored.
After you complete the storage system recovery procedure, contact IBM support.
They can assist you with recovering the file modules so that access to the file
systems can be restored.
380 Storwize V7000 Unified: Problem Determination Guide 2073-720
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