Date: Fri, 13 Oct 2006 20:36:54 +0100 From: Tom Judge <tom@tomjudge.com> To: Richard McIntyre <rem@tco2.thecompanyonline.com> Cc: FreeBSD-Questions@freebsd.org Subject: Re: Hard Drive Issues Message-ID: <452FEAD6.7030800@tomjudge.com> In-Reply-To: <452FE303.90002@tco2.thecompanyonline.com> References: <003a01c6ee0a$841e74f0$6908a8c0@pcmoperations> <dab71e150610121054s2c4fd6bdh88372c1143e29cd7@mail.gmail.com> <20061012182206.GA81008@Grumpy.DynDNS.org> <452FE303.90002@tco2.thecompanyonline.com>
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Richard McIntyre wrote: > I'm having a similar problem, > Oct 13 03:01:31 tco1 kernel: ad2: FAILURE - READ_DMA > status=51<READY,DSC,ERROR> error=40<UNCORRECTABLE> LBA=181778119 > Oct 13 07:11:15 tco1 kernel: ad2: FAILURE - READ_DMA > status=51<READY,DSC,ERROR> error=40<UNCORRECTABLE> LBA=181778119 > > I'm assuming that particular sector on the drive is dying, I have > backed everything up on the drive, can anyone give me more > information, should the drive simply be replaced or is it possible > that this is simply a TOC error and could be corrected by newfs to the > drive? > > I'm guessing it will need to be replaced, output of smartctl is below.... > > Thanks > ~Richard > > Error 7742 occurred at disk power-on lifetime: 16036 hours (668 days + > 4 hours) > When the command that caused the error occurred, the device was > active or idle. > > After command completion occurred, registers were: > ER ST SC SN CL CH DH > -- -- -- -- -- -- -- > 40 51 04 c7 b6 d5 ea Error: UNC 4 sectors at LBA = 0x0ad5b6c7 = > 181778119 > > Commands leading to the command that caused the error were: > CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name > -- -- -- -- -- -- -- -- ---------------- -------------------- > c8 00 04 c7 b6 d5 ea 00 15:22:37.737 READ DMA > c8 00 04 9b b4 e1 ea 00 15:22:37.493 READ DMA > c8 00 04 97 b4 e1 ea 00 15:22:37.251 READ DMA > c8 00 04 a7 b4 e1 ea 00 15:22:37.002 READ DMA > c8 00 04 a3 b4 e1 ea 00 15:22:36.761 READ DMA > > Error 7741 occurred at disk power-on lifetime: 16032 hours (668 days + > 0 hours) > When the command that caused the error occurred, the device was > active or idle. > > After command completion occurred, registers were: > ER ST SC SN CL CH DH > -- -- -- -- -- -- -- > 40 51 04 c7 b6 d5 ea Error: UNC 4 sectors at LBA = 0x0ad5b6c7 = > 181778119 > > Commands leading to the command that caused the error were: > CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name > -- -- -- -- -- -- -- -- ---------------- -------------------- > c8 00 04 c7 b6 d5 ea 00 11:08:40.154 READ DMA > 35 00 20 df ff 2b 40 00 11:08:40.145 WRITE DMA EXT > 35 00 20 1f d5 16 40 00 11:08:44.953 WRITE DMA EXT > ca 00 20 3f c0 92 ef 00 11:08:40.258 WRITE DMA > ca 00 20 df 85 81 ef 00 11:08:40.250 WRITE DMA > > Error 7740 occurred at disk power-on lifetime: 16012 hours (667 days + > 4 hours) > When the command that caused the error occurred, the device was > active or idle. > > After command completion occurred, registers were: > ER ST SC SN CL CH DH > -- -- -- -- -- -- -- > 40 51 04 c7 b6 d5 ea Error: UNC 4 sectors at LBA = 0x0ad5b6c7 = > 181778119 > > Commands leading to the command that caused the error were: > CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name > -- -- -- -- -- -- -- -- ---------------- -------------------- > c8 00 04 c7 b6 d5 ea 00 15:49:49.473 READ DMA > c8 00 04 9b b4 e1 ea 00 15:49:49.220 READ DMA > c8 00 04 97 b4 e1 ea 00 15:49:52.420 READ DMA > c8 00 04 a7 b4 e1 ea 00 15:49:52.175 READ DMA > c8 00 04 a3 b4 e1 ea 00 15:49:51.929 READ DMA > > Error 7739 occurred at disk power-on lifetime: 16008 hours (667 days + > 0 hours) > When the command that caused the error occurred, the device was > active or idle. > > After command completion occurred, registers were: > ER ST SC SN CL CH DH > -- -- -- -- -- -- -- > 40 51 04 c7 b6 d5 ea Error: UNC 4 sectors at LBA = 0x0ad5b6c7 = > 181778119 > > Commands leading to the command that caused the error were: > CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name > -- -- -- -- -- -- -- -- ---------------- -------------------- > c8 00 04 c7 b6 d5 ea 00 11:35:56.771 READ DMA > 35 00 20 bf e7 39 40 00 11:35:56.765 WRITE DMA EXT > 35 00 20 7f 6b 2e 40 00 11:35:56.749 WRITE DMA EXT > 35 00 20 3f 0d c7 40 00 11:35:56.740 WRITE DMA EXT > 35 00 20 1f 4f c1 40 00 11:35:56.732 WRITE DMA EXT > > Error 7738 occurred at disk power-on lifetime: 15989 hours (666 days + > 5 hours) > When the command that caused the error occurred, the device was > active or idle. > > After command completion occurred, registers were: > ER ST SC SN CL CH DH > -- -- -- -- -- -- -- > 40 51 04 c7 b6 d5 ea Error: UNC 4 sectors at LBA = 0x0ad5b6c7 = > 181778119 > > Commands leading to the command that caused the error were: > CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name > -- -- -- -- -- -- -- -- ---------------- -------------------- > c8 00 04 c7 b6 d5 ea 00 16:16:27.719 READ DMA > c8 00 04 9b b4 e1 ea 00 16:16:27.468 READ DMA > c8 00 04 97 b4 e1 ea 00 16:16:30.682 READ DMA > c8 00 04 a7 b4 e1 ea 00 16:16:30.440 READ DMA > c8 00 04 a3 b4 e1 ea 00 16:16:30.174 READ DMA Looks like you disk is on its way out, from the look of the above errors, I would try dd'ing the disk onto a new disk the running an fsck to make sure everything is ok. I wouldnt hold out much hope for recovering the data on that sector though. Tom J
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