On 07/27/2009 12:03 AM, Allan Wind wrote:
I have a pair of Western Digital RE4-GP (WD2002FYPS) in RAID1 configuration using Linux 2.6.30.3 and seeing the following: [ 4907.485324] end_request: I/O error, dev sdb, sector 3907028974
Are there no error messages before this point? Can you post the full dmesg output from bootup?
[ 4907.485543] md: super_written gets error=-5, uptodate=0 [ 4907.485546] raid1: Disk failure on sdb2, disabling device. [ 4907.485547] raid1: Operation continuing on 1 devices. [ 4907.499157] RAID1 conf printout: [ 4907.499159] --- wd:1 rd:2 [ 4907.499162] disk 0, wo:0, o:1, dev:sda2 [ 4907.499164] disk 1, wo:1, o:0, dev:sdb2 [ 4907.503037] RAID1 conf printout: [ 4907.503039] --- wd:1 rd:2 [ 4907.503041] disk 0, wo:0, o:1, dev:sda2 [ 6705.292961] sd 4:0:1:0: [sdb] Sense Key : Recovered Error [current] [descriptor] [ 6705.292967] Descriptor sense data with sense descriptors (in hex): [ 6705.292970] 72 01 00 1d 00 00 00 0e 09 0c 00 00 00 00 00 00 [ 6705.292978] 00 4f 00 c2 00 50 [ 6705.292983] sd 4:0:1:0: [sdb] Add. Sense: ATA pass through information available [ 6705.359497] sd 4:0:1:0: [sdb] Sense Key : Recovered Error [current] [descriptor] [ 6705.359502] Descriptor sense data with sense descriptors (in hex): [ 6705.359504] 72 01 00 1d 00 00 00 0e 09 0c 00 00 00 00 00 00 [ 6705.359513] 00 4f 00 c2 00 50 [ 6705.359517] sd 4:0:1:0: [sdb] Add. Sense: ATA pass through information available [ 6724.022616] sd 4:0:1:0: [sdb] Sense Key : Recovered Error [current] [descriptor] [ 6724.022622] Descriptor sense data with sense descriptors (in hex): [ 6724.022624] 72 01 00 1d 00 00 00 0e 09 0c 00 00 00 00 00 00 [ 6724.022633] 00 4f 00 c2 00 50 [ 6724.022638] sd 4:0:1:0: [sdb] Add. Sense: ATA pass through information available [ 6724.078063] sd 4:0:1:0: [sdb] Sense Key : Recovered Error [current] [descriptor] [ 6724.078068] Descriptor sense data with sense descriptors (in hex): [ 6724.078070] 72 01 00 1d 00 00 00 0e 09 0c 00 00 00 00 00 00 [ 6724.078079] 00 4f 00 c2 00 50 [ 6724.078083] sd 4:0:1:0: [sdb] Add. Sense: ATA pass through information available [ 6740.035419] sd 4:0:1:0: [sdb] Sense Key : Recovered Error [current] [descriptor] [ 6740.035425] Descriptor sense data with sense descriptors (in hex): [ 6740.035427] 72 01 00 1d 00 00 00 0e 09 0c 00 00 00 00 00 00 [ 6740.035435] 00 4f 00 c2 00 50 [ 6740.035440] sd 4:0:1:0: [sdb] Add. Sense: ATA pass through information available [ 6740.090867] sd 4:0:1:0: [sdb] Sense Key : Recovered Error [current] [descriptor] [ 6740.090872] Descriptor sense data with sense descriptors (in hex): [ 6740.090874] 72 01 00 1d 00 00 00 0e 09 0c 00 00 00 00 00 00 [ 6740.090882] 00 4f 00 c2 00 50 [ 6740.090887] sd 4:0:1:0: [sdb] Add. Sense: ATA pass through information available [ 6812.955958] sd 4:0:0:0: [sda] Sense Key : Recovered Error [current] [descriptor] [ 6812.955965] Descriptor sense data with sense descriptors (in hex): [ 6812.955967] 72 01 00 1d 00 00 00 0e 09 0c 00 00 00 00 00 00 [ 6812.955976] 00 4f 00 c2 00 50 [ 6812.955980] sd 4:0:0:0: [sda] Add. Sense: ATA pass through information available [ 6813.011403] sd 4:0:0:0: [sda] Sense Key : Recovered Error [current] [descriptor] [ 6813.011408] Descriptor sense data with sense descriptors (in hex): [ 6813.011410] 72 01 00 1d 00 00 00 0e 09 0c 00 00 00 00 00 00 [ 6813.011419] 00 4f 00 c2 00 50 [ 6813.011423] sd 4:0:0:0: [sda] Add. Sense: ATA pass through information available [ 6818.944137] sd 4:0:0:0: [sda] Sense Key : Recovered Error [current] [descriptor] [ 6818.944143] Descriptor sense data with sense descriptors (in hex): [ 6818.944146] 72 01 00 1d 00 00 00 0e 09 0c 00 00 00 00 00 00 [ 6818.944154] 00 4f 00 c2 00 50 [ 6818.944159] sd 4:0:0:0: [sda] Add. Sense: ATA pass through information available [ 6818.999583] sd 4:0:0:0: [sda] Sense Key : Recovered Error [current] [descriptor] [ 6818.999587] Descriptor sense data with sense descriptors (in hex): [ 6818.999590] 72 01 00 1d 00 00 00 0e 09 0c 00 00 00 00 00 00 [ 6818.999598] 00 4f 00 c2 00 50 [ 6818.999602] sd 4:0:0:0: [sda] Add. Sense: ATA pass through information available [ 7036.061540] sd 4:0:1:0: [sdb] Sense Key : Recovered Error [current] [descriptor] [ 7036.061547] Descriptor sense data with sense descriptors (in hex): [ 7036.061549] 72 01 00 1d 00 00 00 0e 09 0c 00 00 00 00 00 00 [ 7036.061558] 00 4f 00 c2 00 50 [ 7036.061562] sd 4:0:1:0: [sdb] Add. Sense: ATA pass through information available [ 7036.116986] sd 4:0:1:0: [sdb] Sense Key : Recovered Error [current] [descriptor] [ 7036.116991] Descriptor sense data with sense descriptors (in hex): [ 7036.116993] 72 01 00 1d 00 00 00 0e 09 0c 00 00 00 00 00 00 [ 7036.117001] 00 4f 00 c2 00 50 [ 7036.117006] sd 4:0:1:0: [sdb] Add. Sense: ATA pass through information available [ 7042.247767] sd 4:0:0:0: [sda] Sense Key : Recovered Error [current] [descriptor] [ 7042.247773] Descriptor sense data with sense descriptors (in hex): [ 7042.247776] 72 01 00 1d 00 00 00 0e 09 0c 00 00 00 00 00 00 [ 7042.247784] 00 4f 00 c2 00 50 [ 7042.247789] sd 4:0:0:0: [sda] Add. Sense: ATA pass through information available [ 7042.303215] sd 4:0:0:0: [sda] Sense Key : Recovered Error [current] [descriptor] [ 7042.303219] Descriptor sense data with sense descriptors (in hex): [ 7042.303221] 72 01 00 1d 00 00 00 0e 09 0c 00 00 00 00 00 00 [ 7042.303230] 00 4f 00 c2 00 50 [ 7042.303234] sd 4:0:0:0: [sda] Add. Sense: ATA pass through information available [ 7048.136156] sd 4:0:0:0: [sda] Sense Key : Recovered Error [current] [descriptor] [ 7048.136162] Descriptor sense data with sense descriptors (in hex): [ 7048.136165] 72 01 00 1d 00 00 00 0e 09 0c 00 00 00 00 00 00 [ 7048.136174] 00 4f 00 c2 00 50 [ 7048.136178] sd 4:0:0:0: [sda] Add. Sense: ATA pass through information available [ 7048.191599] sd 4:0:0:0: [sda] Sense Key : Recovered Error [current] [descriptor] [ 7048.191604] Descriptor sense data with sense descriptors (in hex): [ 7048.191606] 72 01 00 1d 00 00 00 0e 09 0c 00 00 00 00 00 00 [ 7048.191614] 00 4f 00 c2 00 50 [ 7048.191619] sd 4:0:0:0: [sda] Add. Sense: ATA pass through information available [ 7051.153936] sd 4:0:1:0: [sdb] Sense Key : Recovered Error [current] [descriptor] [ 7051.153942] Descriptor sense data with sense descriptors (in hex): [ 7051.153944] 72 01 00 1d 00 00 00 0e 09 0c 00 00 00 00 00 00 [ 7051.153953] 00 4f 00 c2 00 50 [ 7051.153958] sd 4:0:1:0: [sdb] Add. Sense: ATA pass through information available [ 7051.209384] sd 4:0:1:0: [sdb] Sense Key : Recovered Error [current] [descriptor] [ 7051.209388] Descriptor sense data with sense descriptors (in hex): [ 7051.209390] 72 01 00 1d 00 00 00 0e 09 0c 00 00 00 00 00 00 [ 7051.209399] 00 4f 00 c2 00 50 [ 7051.209403] sd 4:0:1:0: [sdb] Add. Sense: ATA pass through information available SMART suggest the drives are fine: pawan:/var/log# smartctl -l error /dev/sda smartctl version 5.38 [x86_64-unknown-linux-gnu] Copyright (C) 2002-8 Bruce Allen Home page is http://smartmontools.sourceforge.net/ === START OF READ SMART DATA SECTION === SMART Error Log Version: 1 No Errors Logged pawan:/var/log# smartctl -l error /dev/sdb smartctl version 5.38 [x86_64-unknown-linux-gnu] Copyright (C) 2002-8 Bruce Allen Home page is http://smartmontools.sourceforge.net/ === START OF READ SMART DATA SECTION === SMART Error Log Version: 1 No Errors Logged I disabled NCQ per instructions at: http://linux-ata.org/faq.html#ncq Btw, is there a better way than writing a init.d script for tweaking NCQ at reboot? Any ideas? /Allan
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