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cluster failure-security related
Last Post 01 Jan 2007 09:25 PM by Vigilant CIO. 1 Replies.
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Vigilant CIOUser is Offline
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01 Jan 2007 09:23 PM  

orginal post; 6/14/2005 10:31 AM

 

Symptom; Client trashed his cluster by changing domain level security. caused the SQL group to fail

If you trash your cluster and the event log says something to the effect of; the disk is corrupt, run chkdsk....

This means cluster server tried to recover the dsik, but was unable to. The disk proably got corrupted becuase both nodes tried(or succeeded) in accessing the disk at the same time.

1.The basic steps to recover are;

A.Power down the idle node(s)
B.disable the resources that depend on these disk
C.make a note of the dependencies on the disk, then remove them.
D.delete the disk from the cluster group.
E.in device manager, uninstall the unreadable disk(s)
F.close and reopen the computer mgmt console.
G.browse to disk management
H.right click and select; rescan disk.
I.reboot the server
J.re-add the disk(s) to the cluster and recover
K.open clusadmin
Ladd a new physical disk resource to group affected in step 2
M.re-add previous dependencies
N.Bring resources online
O.test failover

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01 Jan 2007 09:25 PM  
You may be able to recover in less steps by restoring security, disabling the cluster server, and shutting down other cluster nodes. See other cluster and SAN recovery articles
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