[Lustre-discuss] Fwd: MDT fails to mount after lustre upgrade

[Anjana Kar]

This one is lustre over zfs.
Running tunefs.lustre with writeconf didn't seem to help either.
Still get the same messages trying to mount MDT, though
all pools have data.

NAME             SIZE  ALLOC   FREE    CAP  DEDUP  HEALTH  ALTROOT
lustre-mgs-mdt  74.5G  47.2G  27.3G    63%  1.00x  ONLINE  -
lustre-ost0     16.2T  15.1T  1.20T    92%  1.00x  ONLINE  -
lustre-ost1     16.2T  14.8T  1.48T    90%  1.00x  ONLINE  -
lustre-ost2     16.2T  15.1T  1.16T    92%  1.00x  ONLINE  -
lustre-ost3     16.2T  15.0T  1.23T    92%  1.00x  ONLINE  -


On 04/24/2014 11:06 AM, Parinay Kondekar wrote:
> Anjana,
>
> Does this look similar - https://jira.hpdd.intel.com/browse/LU-4634 ?
>
> including hpdd-discuss.
>
> HTH
>
> ---------- Forwarded message ----------
> From: *Anjana Kar* <kar at psc.edu <mailto:kar at psc.edu>>
> Date: 24 April 2014 20:16
> Subject: Re: [Lustre-discuss] MDT fails to mount after lustre upgrade
> To: lustre-discuss at lists.lustre.org 
> <mailto:lustre-discuss at lists.lustre.org>
>
>
> Would it make sense to run
> "tunefs.lustre --mgs --writeconf --mgs --mdt /dev/sda /dev/sdb" ?
>
> The original mkfs command used to create the MDT was
> mkfs.lustre --reformat --fsname=iconfs --mgs --mdt --backfstype=zfs 
> --device-size 131072 \
> --index=0 lustre-mgs-mdt/mgsmdt0 mirror /dev/sda /dev/sdb
>
> Not sure if both device names should be included or the zpool name.
>
> The latest 2.5.x version also fails to mount MDT with similar 
> messages, though
> zpool seems intact... is there anyway to get MDT to mount?
>
> [root at icon0 kar]# more /proc/fs/lustre/version
> lustre: 2.5.58
> kernel: patchless_client
> build: 2.5.58-g5565877-PRISTINE-2.6.32-431.11.2.el6.netboot
>
> [root at icon0 kar]# /sbin/service lustre start mgsmdt
>
> Mounting lustre-mgs-mdt/mgsmdt0 on /mnt/lustre/local/mgsmdt
> mount.lustre: mount lustre-mgs-mdt/mgsmdt0 at /mnt/lustre/local/mgsmdt 
> failed: File exists
>
> [root at icon0 kar]# zpool list
> NAME             SIZE  ALLOC   FREE    CAP  DEDUP  HEALTH ALTROOT
> lustre-mgs-mdt  74.5G  47.2G  27.3G    63%  1.00x ONLINE  -
>
> Corresponding console messages:
> 2014-04-24T10:36:53.736967-04:00 icon0.psc.edu <http://icon0.psc.edu> 
> kernel: Lustre: Lustre: Build Version: 
> 2.5.58-g5565877-PRISTINE-2.6.32-431.11.2.el6.netboot
> 2014-04-24T10:36:53.986362-04:00 icon0.psc.edu <http://icon0.psc.edu> 
> kernel: LNet: Added LNI 10.10.101.160 at o2ib [8/256/0/180]
> 2014-04-24T10:36:54.005177-04:00 icon0.psc.edu <http://icon0.psc.edu> 
> kernel: LNet: Added LNI 128.182.75.160 at tcp10 [8/256/0/180]
> 2014-04-24T10:36:54.009556-04:00 icon0.psc.edu <http://icon0.psc.edu> 
> kernel: LNet: Accept secure, port 988
> 2014-04-24T10:36:57.428805-04:00 icon0.psc.edu <http://icon0.psc.edu> 
> kernel: LustreError: 11-0: iconfs-MDT0000-lwp-MDT0000: Communicating 
> with 0 at lo, operation mds_connect failed with -11.
> 2014-04-24T10:36:58.600958-04:00 icon0.psc.edu <http://icon0.psc.edu> 
> kernel: LustreError: 11888:0:(mdd_device.c:1050:mdd_prepare()) 
> iconfs-MDD0000: failed to initialize lfsck: rc = -17
> 2014-04-24T10:36:58.600978-04:00 icon0.psc.edu <http://icon0.psc.edu> 
> kernel: LustreError: 
> 11888:0:(obd_mount_server.c:1776:server_fill_super()) Unable to start 
> targets: -17
> 2014-04-24T10:36:58.614082-04:00 icon0.psc.edu <http://icon0.psc.edu> 
> kernel: Lustre: Failing over iconfs-MDT0000
> 2014-04-24T10:37:04.885917-04:00 icon0.psc.edu <http://icon0.psc.edu> 
> kernel: Lustre: 11888:0:(client.c:1912:ptlrpc_expire_one_request()) 
> @@@ Request sent has timed out for slow reply: [sent 1398350218/real 
> 1398350218]  req at ffff8802fca1a000 x1466276472946828/t0(0) 
> o251->MGC10.10.101.160 at o2ib@0 at lo:26/25 lens 224/224 e 0 to 1 dl 
> 1398350224 ref 2 fl Rpc:XN/0/ffffffff rc 0/-1
> 2014-04-24T10:37:05.418516-04:00 icon0.psc.edu <http://icon0.psc.edu> 
> kernel: Lustre: server umount iconfs-MDT0000 complete
> 2014-04-24T10:37:05.418535-04:00 icon0.psc.edu <http://icon0.psc.edu> 
> kernel: LustreError: 11888:0:(obd_mount.c:1338:lustre_fill_super()) 
> Unable to mount  (-17)
>
> TIA,
>
> -Anjana Kar
>  Pittsburgh Supercomputing Center
> kar at psc.edu <mailto:kar at psc.edu>
> _______________________________________________
> Lustre-discuss mailing list
> Lustre-discuss at lists.lustre.org <mailto:Lustre-discuss at lists.lustre.org>
> http://lists.lustre.org/mailman/listinfo/lustre-discuss
>
>
>
>
> _______________________________________________
> Lustre-discuss mailing list
> Lustre-discuss at lists.lustre.org
> http://lists.lustre.org/mailman/listinfo/lustre-discuss

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.lustre.org/pipermail/lustre-discuss-lustre.org/attachments/20140501/062c7b3d/attachment.htm>