Date: Mon, 22 Nov 2004 21:39:06 -0800 From: "Ryan J. Cavicchioni" <ryan@confabulator.net> To: freebsd-questions@freebsd.org Subject: Re: SCSI Hard drive "MEDIUM ERROR" Message-ID: <41A2CCFA.4000408@confabulator.net> In-Reply-To: <20041123030351.GA31803@dan.emsphone.com> References: <41A2A7B2.4000601@confabulator.net> <20041123030351.GA31803@dan.emsphone.com>
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AWRE (Auto Write Reallocation Enbld): 1 ARRE (Auto Read Reallocation Enbld): 1 TB (Transfer Block): 0 RC (Read Continuous): 0 EER (Enable Early Recovery): 0 PER (Post Error): 0 DTE (Disable Transfer on Error): 0 Read Retry Count: 255 Write Retry Count: 255 It seems to be enabled. Is there anything else that I can do? Dan Nelson wrote: >In the last episode (Nov 22), Ryan J. Cavicchioni said: > > >>What would this mean? I get it during heavy FTP transfers on a drive >>that is 75% full. >> >>(da1:ahc0:0:8:0): MEDIUM ERROR info:381b12 csi:ff,ff,ff,ff asc:11,1 >>(da1:ahc0:0:8:0): Read retries exhausted actual retry count: 104 >>(da1:ahc0:0:8:0): Retrying Command (per Sense Data) >>(da1:ahc0:0:8:0): READ(10). CDB: 28 0 0 38 1a a0 0 0 80 0 >>(da1:ahc0:0:8:0): CAM Status: SCSI Status Error >>(da1:ahc0:0:8:0): SCSI Status: Check Condition >> >> > >A medium error is a physical media error. The drive tried reading a >sector 104 times and couldn't recover the data. If you have AWRE >enabled, writing to that disk block should cause the drive to mark it >bad and use a spare sector. "camcontrol modepage da1 -m 1 -e -P 3" >will let you turn it on. Enabling ARRE is a good idea too (if the >drive detects a bad sector but recovered it, it will reallocate the >block). > > >
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