On Sat, Sep 24, 2011 at 10:50:17AM +0200, martin f krafft wrote: > also sprach Milos Negovanovic <milos.negovano...@gmail.com> [2011.09.24.1034 > +0200]: > > one of my servers has experienced degradation in one of its RAID arrays: > > What happened?
I was in the middle of system update via aptitude last week, and it started giving me strange errors that it cant access /dev/sdb3 ... I suspect these were errors from underlaying RAID array. At about the same time smartd sent me a mail stating that the ATA error count has jumped from 0 to 800 or so. > > > root@micro ~ # mdadm --add /dev/md2 /dev/sdb3 > > mdadm: add new device failed for /dev/sdb3 as 2: Invalid argument > > Does /dev/sdb3 exist? It exists. root@micro ~ # cat /proc/partitions major minor #blocks name 8 0 1465138584 sda 8 1 11717632 sda1 8 2 29296640 sda2 8 3 1424122880 sda3 8 16 1465138584 sdb 8 17 11717632 sdb1 8 18 29296640 sdb2 8 19 1424122880 sdb3 9 0 11716536 md0 9 1 29295544 md1 9 2 1424121720 md2 root@micro ~ # fdisk -l /dev/sdb Disk /dev/sdb: 1500.3 GB, 1500301910016 bytes 255 heads, 63 sectors/track, 182401 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x0002ea6d Device Boot Start End Blocks Id System /dev/sdb1 1 1459 11717632 fd Linux raid autodetect /dev/sdb2 * 1459 5107 29296640 fd Linux raid autodetect /dev/sdb3 5107 182402 1424122880 fd Linux raid autodetect root@micro ~ # ls -l /dev/sdb3 brw-rw---- 1 root disk 8, 19 Sep 24 09:21 /dev/sdb3 > > > As you can see it fails to re-insert the component! Whats > > suspicious is that /dev/sdb1 and /dev/sdb2 are just fine in other > > 2 RAID components, so I don't think that the /dev/sdb drive has > > failed! > > Sure, it could have partially failed. You need to know what happened > to be able to figure out what to do now. I am in dark regarding that, as I said I was in the middle of system update when I saw first errors. Regards -- Milos Negovanovic milos.negovano...@gmail.com -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20110924093000.gc2...@googlemail.com
