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<div class="moz-cite-prefix">This one is lustre over zfs.<br>
Running tunefs.lustre with writeconf didn't seem to help either.<br>
Still get the same messages trying to mount MDT, though<br>
all pools have data.<br>
<br>
NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT<br>
lustre-mgs-mdt 74.5G 47.2G 27.3G 63% 1.00x ONLINE -<br>
lustre-ost0 16.2T 15.1T 1.20T 92% 1.00x ONLINE -<br>
lustre-ost1 16.2T 14.8T 1.48T 90% 1.00x ONLINE -<br>
lustre-ost2 16.2T 15.1T 1.16T 92% 1.00x ONLINE -<br>
lustre-ost3 16.2T 15.0T 1.23T 92% 1.00x ONLINE -<br>
<br>
<br>
On 04/24/2014 11:06 AM, Parinay Kondekar wrote:<br>
</div>
<blockquote
cite="mid:CAB+_9GrO_-oQfAc77DcVKfWUUusxP_MpKxBEJygf6cFrttXiaA@mail.gmail.com"
type="cite">
<div dir="ltr">
<div>Anjana,</div>
<div><br>
</div>
Does this look similar - <a moz-do-not-send="true"
href="https://jira.hpdd.intel.com/browse/LU-4634">https://jira.hpdd.intel.com/browse/LU-4634</a> ?
<div><br>
</div>
<div>including hpdd-discuss.</div>
<div><br>
</div>
<div>HTH<br>
<br>
<div class="gmail_quote">---------- Forwarded message
----------<br>
From: <b class="gmail_sendername">Anjana Kar</b> <span
dir="ltr"><<a moz-do-not-send="true"
href="mailto:kar@psc.edu">kar@psc.edu</a>></span><br>
Date: 24 April 2014 20:16<br>
Subject: Re: [Lustre-discuss] MDT fails to mount after
lustre upgrade<br>
To: <a moz-do-not-send="true"
href="mailto:lustre-discuss@lists.lustre.org">lustre-discuss@lists.lustre.org</a><br>
<br>
<br>
Would it make sense to run<br>
"tunefs.lustre --mgs --writeconf --mgs --mdt /dev/sda
/dev/sdb" ?<br>
<br>
The original mkfs command used to create the MDT was<br>
mkfs.lustre --reformat --fsname=iconfs --mgs --mdt
--backfstype=zfs --device-size 131072 \<br>
--index=0 lustre-mgs-mdt/mgsmdt0 mirror /dev/sda /dev/sdb<br>
<br>
Not sure if both device names should be included or the
zpool name.<br>
<br>
The latest 2.5.x version also fails to mount MDT with
similar messages, though<br>
zpool seems intact... is there anyway to get MDT to mount?<br>
<br>
[root@icon0 kar]# more /proc/fs/lustre/version<br>
lustre: 2.5.58<br>
kernel: patchless_client<br>
build: 2.5.58-g5565877-PRISTINE-2.6.32-431.11.2.el6.netboot<br>
<br>
[root@icon0 kar]# /sbin/service lustre start mgsmdt
<div class=""><br>
Mounting lustre-mgs-mdt/mgsmdt0 on
/mnt/lustre/local/mgsmdt<br>
mount.lustre: mount lustre-mgs-mdt/mgsmdt0 at
/mnt/lustre/local/mgsmdt failed: File exists<br>
<br>
</div>
[root@icon0 kar]# zpool list<br>
NAME SIZE ALLOC FREE CAP DEDUP HEALTH
ALTROOT<br>
lustre-mgs-mdt 74.5G 47.2G 27.3G 63% 1.00x ONLINE -<br>
<br>
Corresponding console messages:<br>
2014-04-24T10:36:53.736967-04:00 <a moz-do-not-send="true"
href="http://icon0.psc.edu" target="_blank">icon0.psc.edu</a>
kernel: Lustre: Lustre: Build Version:
2.5.58-g5565877-PRISTINE-2.6.32-431.11.2.el6.netboot<br>
2014-04-24T10:36:53.986362-04:00 <a moz-do-not-send="true"
href="http://icon0.psc.edu" target="_blank">icon0.psc.edu</a>
kernel: LNet: Added LNI 10.10.101.160@o2ib [8/256/0/180]<br>
2014-04-24T10:36:54.005177-04:00 <a moz-do-not-send="true"
href="http://icon0.psc.edu" target="_blank">icon0.psc.edu</a>
kernel: LNet: Added LNI 128.182.75.160@tcp10 [8/256/0/180]<br>
2014-04-24T10:36:54.009556-04:00 <a moz-do-not-send="true"
href="http://icon0.psc.edu" target="_blank">icon0.psc.edu</a>
kernel: LNet: Accept secure, port 988<br>
2014-04-24T10:36:57.428805-04:00 <a moz-do-not-send="true"
href="http://icon0.psc.edu" target="_blank">icon0.psc.edu</a>
kernel: LustreError: 11-0: iconfs-MDT0000-lwp-MDT0000:
Communicating with 0@lo, operation mds_connect failed with
-11.<br>
2014-04-24T10:36:58.600958-04:00 <a moz-do-not-send="true"
href="http://icon0.psc.edu" target="_blank">icon0.psc.edu</a>
kernel: LustreError: 11888:0:(mdd_device.c:1050:mdd_prepare())
iconfs-MDD0000: failed to initialize lfsck: rc = -17<br>
2014-04-24T10:36:58.600978-04:00 <a moz-do-not-send="true"
href="http://icon0.psc.edu" target="_blank">icon0.psc.edu</a>
kernel: LustreError: 11888:0:(obd_mount_server.c:1776:server_fill_super())
Unable to start targets: -17<br>
2014-04-24T10:36:58.614082-04:00 <a moz-do-not-send="true"
href="http://icon0.psc.edu" target="_blank">icon0.psc.edu</a>
kernel: Lustre: Failing over iconfs-MDT0000<br>
2014-04-24T10:37:04.885917-04:00 <a moz-do-not-send="true"
href="http://icon0.psc.edu" target="_blank">icon0.psc.edu</a>
kernel: Lustre: 11888:0:(client.c:1912:ptlrpc_expire_one_request())
@@@ Request sent has timed out for slow reply: [sent
1398350218/real 1398350218] req@ffff8802fca1a000
x1466276472946828/t0(0) o251->MGC10.10.101.160@o2ib@0@lo:26/25
lens 224/224 e 0 to 1 dl 1398350224 ref 2 fl
Rpc:XN/0/ffffffff rc 0/-1<br>
2014-04-24T10:37:05.418516-04:00 <a moz-do-not-send="true"
href="http://icon0.psc.edu" target="_blank">icon0.psc.edu</a>
kernel: Lustre: server umount iconfs-MDT0000 complete<br>
2014-04-24T10:37:05.418535-04:00 <a moz-do-not-send="true"
href="http://icon0.psc.edu" target="_blank">icon0.psc.edu</a>
kernel: LustreError: 11888:0:(obd_mount.c:1338:lustre_fill_super())
Unable to mount (-17)<br>
<br>
TIA,
<div class="im"><br>
-Anjana Kar<br>
Pittsburgh Supercomputing Center<br>
<a moz-do-not-send="true" href="mailto:kar@psc.edu"
target="_blank">kar@psc.edu</a><br>
</div>
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<div class="h5">
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