[Lustre-discuss] Fwd: Help: NIC Changed Error

Lee Amy
Mon, 10 Aug 2009 01:32:38 -0000

---------- Forwarded message ----------
From: Lee Amy <openlinuxsource at gmail.com>
Date: Mon, Aug 10, 2009 at 9:32 AM
Subject: Re: [Lustre-discuss] Help: NIC Changed Error
To: Rhys McMurdo <rhys at mcmurdo.id.au>


On Mon, Aug 10, 2009 at 6:14 AM, Rhys McMurdo<rhys at mcmurdo.id.au>
wrote:
> Hi Amy,
>
> You may want to try the following options in your /etc/modprobe.conf
>
> options lnet networks=tcp0(eth1)
>
> Regards,
>
> Rhys
>
> 2009/8/8 Lee Amy <openlinuxsource at gmail.com>
>>
>> Hi,
>>
>> I''m a Lustre newbie. The server I set up is combined MGS/MDT
file
>> system on a block device. And set up OST on a block device. I set up
>> MGS/MDT and OST in the same machine by using 2 disks. The NID is
>> 10.0.38.102 at tcp, and the address 10.0.38.102 was assigned to eth0.
One
>> day I noticed the eth0 is broken so I use another NIC eth1 then assign
>> IP address 10.0.38.102 to this card.
>>
>> Then I use client the mount the server Lustre FS by following command.
>>
>> mount -t lustre 10.0.38.102 at tcp:/ericlfs /mnt/foobar
>>
>> It reported following error messages.
>>
>> Lustre: Request x1310428982411274 sent from MGC10.0.38.102 at tcp to
NID
>> 10.0.38.102 at tcp 5s ago has timed out (limit 5s).
>> LustreError: 4397:0:(client.c:792:ptlrpc_import_delay_req()) @@@
>> IMP_INVALID ?req at ffff81002cb7d800 x1310428982411276/t0
>> o501->MGS at MGC10.0.38.102@tcp_0:26/25 lens 264/432 e 0 to 1 dl 0
ref 1
>> fl Rpc:/0/0 rc 0/0
>> LustreError: 15c-8: MGC10.0.38.102 at tcp: The configuration from log
>> ''ericlfs-client'' failed (-108). This may be the
result of
>> communication errors between this node and the MGS, a bad
>> configuration, or other errors. See the syslog for more information.
>> LustreError: 4397:0:(llite_lib.c:1169:ll_fill_super()) Unable to
>> process log: -108
>> Lustre: client ffff81002bd17400 umount complete
>> mount.lustre: mount 10.0.38.102 at tcp:/ericlfs at /mnt failed: Cannot
>> send after transport endpoint shutdown
>>
>> So I feel a little confused. Is this problem caused by I replace the
>> NIC card? And furthermore, how do I fix that problem?
>>
>> Thank you very much.
>>
>> Best Regards,
>>
>> Amy
>> _______________________________________________
>> Lustre-discuss mailing list
>> Lustre-discuss at lists.lustre.org
>> http://lists.lustre.org/mailman/listinfo/lustre-discuss
>
>
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Thanks very much. Anyway, my nid is 10.0.38.102 at tcp, not
10.0.38.102 at tcp0. If I add the above item in /etc/modprobe.conf I
don''t know whether it will affect something wrong.

Could you tell me what''s the difference between tcp and tcp?