On 26 August 2011 12:46, Stefan G. Weichinger <lists@xxxxxxxx> wrote: > > Please help: > > Today I removed a defective hdd out of a RAID1-array and swapped in a > new hdd instead. > > 3 arrays, to be true, md[012] > > 0 and 1 synced fine, in the process of syncing md2 the old sda threw > errors (in sda4): > > md/raid1:md2: sda: unrecoverable I/O read error for block 643686144 > md: md2: recovery done. > > [...] > > md/raid1:md2: sda: unrecoverable I/O read error for block 643686272 > > ---- > > Did the system stop syncing or is "recovery done" the indication that > md2 was fully recovered BEFORE the system threw sda4 out of the array?? > > I hope for the second! > > See: > > # mdadm -D /dev/md2 > /dev/md2: > Version : 0.90 > Creation Time : Thu Feb 11 19:40:11 2010 > Raid Level : raid1 > Array Size : 962454080 (917.87 GiB 985.55 GB) > Used Dev Size : 962454080 (917.87 GiB 985.55 GB) > Raid Devices : 2 > Total Devices : 2 > Preferred Minor : 2 > Persistence : Superblock is persistent > > Update Time : Fri Aug 26 13:40:55 2011 > State : clean, degraded > Active Devices : 1 > Working Devices : 2 > Failed Devices : 0 > Spare Devices : 1 > > UUID : 0ee7bbc7:fc6b0172:d195d856:5f94e963 > Events : 0.1833443 > > Number Major Minor RaidDevice State > 0 8 4 0 active sync /dev/sda4 > 1 0 0 1 removed > > 2 8 20 - spare /dev/sdb4 > > # cat /proc/mdstat > Personalities : [raid1] > md1 : active raid1 sdb3[1] sda3[0] > 13679232 blocks [2/2] [UU] > > md2 : active raid1 sdb4[2](S) sda4[0] > 962454080 blocks [2/1] [U_] > > md0 : active raid1 sdb1[1] sda1[0] > 128384 blocks [2/2] [UU] > > unused devices: <none> > > ---- > > The system seems to work OK, md2 which is a PV in a LVM-volumegroup is > there, etc > > I just wonder if should somehow re-add sda4 or not touch a thing until I > have a new hdd at hand?? > > Can/should I somehow test the integrity of md2? > > Pls help me to relax in this case ... > > btw: > > Linux version 2.6.36-gentoo-r5 > mdadm-3.1.4 > > Thanks in advance, Stefan! > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Hm, Could you perhaps post the output of "smartctl -a /dev/sda" (and sdb for completeness sake) here? You can find smartctl in the smartmontools package. /Mathias -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
