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Old 10-11-2008, 05:22 PM   #1
peterwhedbee
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Registered: Oct 2008
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RHEL5U2, SAN logical partitions lost, fdisk -l invalid signature 0


We are using RHEL5 Update 2 on a DELL R900 and have 2 LUNs exposed to our server from the corporate SAN. The LUNs have 8 raw partitions each that we manage with Oracle ASM libraries. One LUN lost its 5 logical partitions but not the extended partition. Fdisk indicates 'invalid signature 0' for ALL of our disk devices including the local RAID. However the server is running and an octal dump of the first sector of the damaged LUN shows AA55 clear as day. Any ideas how this could have come about?

Thanks in advance.

Peter
 
  


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