disk errors on a PE6300

Wesley T. Perdue wes at greenfieldnetworks.com
Tue Mar 11 16:29:01 CST 2003


We've got Red Hat 7.1 with kernel 2.4.18-18.7.xsmp running on a PowerEdge 6300; the system has four PIII Xeon cpus and 2 GB RAM.  It's got four filesystems on three logical disks, all on its original PERC.  sda is a RAID 5 array of four disks, sdb is a RAID 1 of two disks, and sdc is a RAID 5 array of eight disks in a PowerVault 220.

All hardware upgrades are Dell OEM.

Three users have told me that today and yesterday, when they copied a file from one filesystem to another, the file got corrupted -- the checksum of the copy didn't match that of the original.  They were all logged into the system locally; the copy was not made over any network protocol.  Both the source and destination filesystems are shared via nfs.

I'm trying to duplicate the error in hope of finding a pattern, but it is so rare that I haven't yet been able to duplicate it once.

I couldn't find any problem like this in Google groups for this kernel.  I hesitate to blame the hardware, as I think it's checksumming in so many places.

Does anyone have any ideas as to where the source of the problem may be?


Wes Perdue
IT Manager, Greenfield Networks

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