[CentOS] Storage/SCSI Error on our CentOS server
John R Pierce
pierce at hogranch.comFri Mar 2 05:58:39 UTC 2007
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Hairul Ikmal Mohamad Fuzi wrote: > Just another follow up, after we swapped the SCSI host adapter, the > storage seems to be working fine (no more read/write,access/mount > error). > > But after a while (e.g : once or twice a in 2 days), eventhough it is > working fine, we still got some error messages, which we guess is > somehow similar to messages in the previous posts. > > > We do not know how critical is this,but maybe you guys could give > valuable advise or inputs (either we should also change the cables as > well,etc). well, out of all that state dump, what seems to be important is... scsi5: Transmission error detected again, as before, this can be the SCSI card, the cabling, or the target device. It even could be a crappy terminator. if your disk system is running at ultra320 speeds, you might go into the controller BIOS, and set all targets for max 80M transfer/sec, which is ultra160 speeds, and see if the errors persist. I've run into several SCSI backplanes that are marginal at 160M xfer/sec (U320 speeds), but work fine at U160 speeds.
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