Date: Tue, 22 Nov 2005 19:17:12 -0700 From: Scott Long <scottl@samsco.org> To: Olivier Nicole <on@cs.ait.ac.th> Cc: freebsd-scsi@freebsd.org Subject: Re: KDying disk Message-ID: <4383D128.1080505@samsco.org> In-Reply-To: <200511230205.jAN2526j007750@banyan.cs.ait.ac.th> References: <200511230205.jAN2526j007750@banyan.cs.ait.ac.th>
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Olivier Nicole wrote: > Hi, > > How to read this error message? It happens more and more lately :(( > > This machine is running 5.4 with one hard disk SCSI 72 MB > > TIA > > Olivier > > Nov 22 17:42:50 ufo kernel: Copied 18 bytes of sense data offset 12: 0xf1 0x0 0x3 0x0 0x51 0x3b 0x9f 0xa 0x0 0x0 0x0 0x0 0xc 0x0 0xd3 0x80 0x0 0x18 > Nov 22 17:42:50 ufo kernel: (da0:ahd1:0:0:0): WRITE(10). CDB: 2a 0 0 51 ac 7f 0 0 4 0 > Nov 22 17:42:50 ufo kernel: (da0:ahd1:0:0:0): CAM Status: SCSI Status Error > Nov 22 17:42:50 ufo kernel: (da0:ahd1:0:0:0): SCSI Status: Check Condition > Nov 22 17:42:50 ufo kernel: (da0:ahd1:0:0:0): Deferred Error: MEDIUM ERROR info:513b9f asc:c,0 > Nov 22 17:42:50 ufo kernel: (da0:ahd1:0:0:0): Write error field replaceable unit: d3 actual retry count: 24 > Nov 22 17:42:50 ufo kernel: (da0:ahd1:0:0:0): Retrying Command (per Sense Data) > N This means that you're starting to get failing sectors. The disk can automatically remap them if you are writing to them, but can't do anything if the failure occurs during a read operation. Best bet is to back up your data and look into replacing the drive. Scott
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