This looks like a dodgy disk.
run "smartctl" on your disks...
e.g. smartctl -a /dev/sda
will report any errors logged by the disk
you can also run an extended test with "smartctl -t long /dev/sda"
(not so sure how to match up the ata numbers with disk devices)
regards
Phil.
On 11 February 2011 13:23, Andrew Reid Paterson <
aandy.paaater...@ntlworld.com> wrote:
> Hi all,
> I have a pernennial problem with a raid array (which contains a
> 400GB
> filesystem 72% full.
> Since its raid 1 I am bemused that I keep getting file-system errors every
> 2 or
> threee days on reboot (requiring a manual fsck).
> The kernel log shows (e.g):
> ___________________________
> ....
> ....
> ....
> [ 7551.160178] ata10.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6
> [ 7551.160182] ata10.00: BMDMA stat 0x4
> [ 7551.160186] ata10.00: failed command: WRITE DMA
> [ 7551.160194] ata10.00: cmd ca/00:18:39:50:a1/00:00:00:00:00/e9 tag 0 dma
> 12288 out
> [ 7551.160196] res 51/84:00:50:50:a1/00:00:00:00:00/e9 Emask 0x10
> (ATA bus error)
> [ 7551.160200] ata10.00: status: { DRDY ERR }
> [ 7551.160203] ata10.00: error: { ICRC ABRT }
> [ 7551.160236] ata10: soft resetting link
> [ 7551.323572] ata10.00: configured for UDMA/100
> [ 7551.329343] ata10.01: configured for UDMA/66
> [ 7551.329595] ata10: EH complete
> ....
> ....
> ....
> ________________________
>
> Is anyone able to reasonably decipher this?
> I recently upgraded the filesystem from ext3 to ext4 (via "appropriate
> incantation" of tune2fs).
> This made not the slightest difference.
> Strangley, after the fscks has fixed things (mainly dup allocated blocks) I
> never appear to have lost anything (!).
>
> Any (reasonably polite) suggestions gratefully received. In particuylar -
> how
> to match the ata no. given with one of my actual disks
> filesystems mounted as follows:
>
> /dev/mapper/vg_waverley-lv_root on / type ext4 (rw)
> proc on /proc type proc (rw)
> sysfs on /sys type sysfs (rw)
> devpts on /dev/pts type devpts (rw,gid=5,mode=620)
> tmpfs on /dev/shm type tmpfs
> (rw,rootcontext="system_u:object_r:tmpfs_t:s0")
> /dev/sda1 on /boot type ext4 (rw)
> /dev/mapper/vg_waverley-lv_home on /opt type ext4 (rw)
> /dev/md1 on /home type ext4 (rw)
> /dev/md0 on /multimedia type ext3 (rw)
> none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
> fusectl on /sys/fs/fuse/connections type fusectl (rw)
> gvfs-fuse-daemon on /home/andyp/.gvfs type fuse.gvfs-fuse-daemon
> (rw,nosuid,nodev,user=andyp)
>
>
> /proc/diskstats:
> _______________
> ...
> ...
> ...
> 8 0 sda 72495 13319 3310860 320940 21615 267129 2184958 674670 0
> 250084 995628
> 8 1 sda1 644 250 9656 919 170 17603 35558 3187 0 1309 4106
> 8 2 sda2 71683 13065 3299828 319382 18924 249526 2149400 637608 0
> 215408 957010
> 11 0 sr0 0 0 0 0 0 0 0 0 0 0 0
> 8 16 sdb 27076 13275 1084119 146144 10482 18556 231792 92334 0
> 218764
> 238432
> 8 17 sdb1 615 1460 3079 547 0 0 0 0 0 469 546
> 8 18 sdb2 2083 1991 14586 2839 2 0 16 3 0 2738 2842
> 8 19 sdb3 22345 9518 909948 134862 10385 18551 231528 91810 0 209747
> 226630
> 8 20 sdb4 1985 290 155994 7715 26 5 248 210 0 6991 7922
> 8 32 sdc 23652 12092 690676 137121 10457 18579 231776 93315 0 210435
> 230407
> 8 33 sdc1 691 1384 3079 495 0 0 0 0 0 437 494
> 8 34 sdc2 412 1523 1959 549 0 0 0 0 0 518 548
> 8 35 sdc3 20659 8873 550762 129205 10362 18574 231528 92761 0 203760
> 221944
> 8 36 sdc4 1842 296 134364 6601 26 5 248 217 0 6235 6813
> 11 1 sr1 0 0 0 0 0 0 0 0 0 0 0
> 253 0 dm-0 83866 0 3290154 502689 268450 0 2143624 13403047 0 248238
> 13905734
> 253 1 dm-1 394 0 3152 1919 719 0 5752 4035 0 994 5954
> 9 1 md1 61401 0 1460282 0 25500 0 203448 0 0 0 0
> 9 0 md0 4348 0 289946 0 19 0 152 0 0 0 0
> 253 2 dm-2 722 0 5770 1378 5 0 24 78 0 554 1456
> ...
> ...
> _______________
>
> /proc/mdstat:
> _____________
> Personalities : [raid1]
> md0 : active raid1 sdc4[1] sdb4[0]
> 58605056 blocks [2/2] [UU]
>
> md1 : active raid1 sdc3[1] sdb3[0]
> 58605056 blocks [2/2] [UU]
>
> unused devices: <none>
> _______________
>
>
> md1 is the offending mirror.
>
> System is FC14: Fedora release 14 (Laughlin)
> (But I was getting this with FC11 prior to an upgrade)
>
> TIA
> Andy
>
>
>
>
>
>
>
> --
> Next meeting: Blandford Forum, Wednesday 2011-03-02 20:00
> Meets, Mailing list, IRC, LinkedIn, ... http://dorset.lug.org.uk/
> How to Report Bugs Effectively: http://goo.gl/4Xue
>
--
*"Clouds are not spheres, mountains are not cones, coastlines are not
circles,
and bark is not smooth, nor does lightning travel in a straight line."
BENOIT MANDELBROT*
*1924 — 2010**
*
--
Next meeting: Blandford Forum, Wednesday 2011-03-02 20:00
Meets, Mailing list, IRC, LinkedIn, ... http://dorset.lug.org.uk/
How to Report Bugs Effectively: http://goo.gl/4Xue
