On Wednesday, 29.07.2009 at 15:02 +0100, Dave Ewart wrote: > On Wednesday, 29.07.2009 at 08:37 -0500, [email protected] wrote: > > > Sense Key / Code / Qualifier / Reason > > 6 / 29 / 02 SCSI BUS RESET OCCURRED - Perfectly normal occurance. > > The bus gets reset if a device returns an unexpected answer or there are > > arbitration problems, nothing to worry about. It happens. > > 6 / 29 / CD This one is vendor specific, but 6 / 29 means > > device reset as well. This probably indicates that the card tried > > talking to the device before it finished it's reset. Again nothing to > > worry about. > > 2 / 04 / 01 Logical unit in process of becoming ready - This > > can happen during power on or after a reset. Again expected, nothing > > wrong with the disk. > > Thanks for the reply, Patrick: much appreciated. > > > I don't see anything that would bother me here. If you start seeing > > Sense key's of 1, 3, or 4 then you may have problems, but the RAID card > > should flag the disk as bad long before that happens. > > Understood. > > > Sense codes happen in the SCSI realm all the time and 90% of the time > > are nothing to worry about. > > My concern is really the fact that we've been running this PowerVault > for six months without *any* SCSI sense messages being logged at all - > even if they are considered normal - then suddenly two days' ago we > started getting them by the bucket load. > > This is the real issue, I guess. Does the fact that this behaviour has > suddenly begun - and always relating to the same physical disk - not > suggest that there may be something wrong here? Either with the disk, > or with the enclosure slot relating to it?
Hah, well, about 30 seconds after I posted the above, the disk in fact failed. I am now no longer _concerned_ the disk will fail :-D Dave. -- Dave Ewart [email protected] Computing Manager, Cancer Epidemiology Unit University of Oxford / Cancer Research UK PGP: CC70 1883 BD92 E665 B840 118B 6E94 2CFD 694D E370 Get key from http://www.ceu.ox.ac.uk/~davee/davee-ceu-ox-ac-uk.asc N 51.7516, W 1.2152
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