We have 3 storage nodes (7.3.3) configured in a MSCS cluster(WIN2K3x64) on 
which I am getting windows alerts for one of the adv_file devices since 
yesterday.

Event ID 55: The file system structure on disk is corrupt and unusable. 

All three storage nodes are part of the same storage group in SAN and  3
LUNs(one for each) are mapped and formatted as local backup disk on the servers.

The disk backups are working fine and the devices are also in "enabled" state 
in NMC.

According to Microsoft, there could be many reasons for this error and 
sometimes just informational and can be ignored.

I just want to know if any one has seen this issue before and can give some 
suggestions.

Thanks

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