[Lustre-discuss] mds server crashing

[Mag Gam]

Hey Bernd:

Thanks for the reply.

Interesting. We are using with NFS too. Is there something in
particular we need to do like "enable port 988 in /etc/modules.conf"
which I think I am already doing.


> Any chance you can send traces with line wrap disabled? With line wrapping it
> is quite hard to read.
Ofcourse! I even posted a bug report with the /tmp/lustre.log
https://bugzilla.lustre.org/show_bug.cgi?id=18802

Let me know if you need anything else.

TIA



On Sat, Mar 14, 2009 at 7:35 AM, Bernd Schubert
<bernd.schubert at fastmail.fm> wrote:
> On Saturday 14 March 2009, Mag Gam wrote:
>> We are having a problem with a MDS server (which also has 1 OST) on the
>> box.
>>
>> When the server boots up, we notice there is an ll_mdt process running
>> at 100% and we keep on waiting close  to 10-15 mins. We only have 8
>> clients. (I assume this normal recovery process). However if I
>> manually mount up the mdt without any recovery everything is fine
>
> Hmm, I have seen that with 1.6.4.3 and NFS exports. But that should be fixed
> in 1.6.5. Although I'm not sure, since we switched NFS exports to unfs3 ever
> since the problem came up.
>
>>
>> Mar 12 10:11:02 protected_host_01 kernel: Pid: 10375, comm: ll_mdt_10
>> Tainted: G      2.6.18-92.1.17.el5_lustre.1.6.7smp #1
>> Mar 12 10:11:02 protected_host_01 kernel: RIP:
>> 0010:[<ffffffff888ed8df>]  [<ffffffff888ed8df>]
>>
>> :ldiskfs:do_split+0x3ef/0x560
>>
>> Mar 12 10:11:02 protected_host_01 kernel: RSP: 0018:ffff8103d2a5f460
>> EFLAGS: 00000216
>> Mar 12 10:11:02 protected_host_01 kernel: RAX: 0000000000000000 RBX:
>> 0000000000000080 RCX: 0000000000000000
>> Mar 12 10:11:02 protected_host_01 kernel: RDX: 0000000000000080 RSI:
>> ffff8103cd52177c RDI: ffff8103cd52176c
>
> Any chance you can send traces with line wrap disabled? With line wrapping it
> is quite hard to read.
>
>
> Cheers,
> Bernd
>
>