Tuesday, August 23, 2011

If cluster issues due to disk level problems

1. Use default tools (disk management, perfmon,eventviwer,chkdsk etc) to analyze if any disk issues
2. Verify if any multipath issues - use disk management,MPIO drivers,iSCSI configuration
3. Disable cluster disk driver from device manager ,restart server & verify if disk visible in disk management.Restart server & re-enable cluster disk driver to troubleshoot further.
4. If disk signature specific errors in eventviewer ,Note down the signature for each disk,Restore it using DumpCFG ( windows 2003) or Diskpart - device ID (in windows 2008)

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