On Sat, 2008-09-13 at 11:44 -0400, Mag Gam wrote:
> By disabling statahead_max what consequences can a client face?
>
> # echo 0 > /proc/fs/lustre/.../statahead_max
The client does not benefit from the optimizations that can be done to
speed up ls -l.
b.
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By disabling statahead_max what consequences can a client face?
# echo 0 > /proc/fs/lustre/.../statahead_max
On Fri, Sep 5, 2008 at 11:10 AM, Brian J. Murrell <[EMAIL PROTECTED]> wrote:
> On Fri, 2008-09-05 at 10:48 -0400, Jerome, Ron wrote:
>> SERVER LOG
On Fri, 2008-09-05 at 10:48 -0400, Jerome, Ron wrote:
> SERVER LOG
> =
> Aug 31 04:02:04 oss1 syslogd 1.4.1: restart.
> Sep 1 15:15:42 oss1 kernel: LustreError:
> 2450:0:(ldlm_lock.c:430:__ldlm_handle2lock()) ASS
Original Message-
> From: [EMAIL PROTECTED] [mailto:lustre-discuss-
> [EMAIL PROTECTED] On Behalf Of Brock Palen
> Sent: September 5, 2008 10:22 AM
> To: Brian J. Murrell
> Cc: Lustre Discuss
> Subject: Re: [Lustre-discuss] Lustre clients failing, and cant
> reconnect
&g
I had to reboot the MDS to get the problem to go away.
I will watch and see if it reappears. I screwed up and deleted the
wrong /var/log/messages So I don't have the messages.
I am watching this issues.
Brock Palen
www.umich.edu/~brockp
Center for Advanced Computing
[EMAIL PROTECTED]
(734)936-
On Fri, 2008-09-05 at 00:15 -0400, Brock Palen wrote:
> Looks like that didn't fix it. One of the login nodes repeated the
> behavior.
So what are the messages the client logged when the problem occurred?
And what, if anything was logged on the MDS at the same time?
b.
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Looks like that didn't fix it. One of the login nodes repeated the
behavior.
The strange thing is that the MDS does not show anything about the
NID of the client. The client just says it lost connection with it,
but the MDS never says it has not heard from the client and is
kicking it out
>>
>> Is this enough information?
>
> Probably. If you are running 1.6.5, try disabling statahead on all of
> your clients...
>
> # echo 0 > /proc/fs/lustre/.../statahead_max
I thought statahead was fixed in 1.6.5 ? Main reason we upgraded.
Login nodes already are showing that behavior again.
I
On Thu, 2008-09-04 at 22:58 -0400, Brock Palen wrote:
> I am having clients lose their connection to the MDS. Messages on
> the clients look like this:
>
> Sep 4 19:51:30 nyx-login2 kernel: Lustre: nobackup-MDT-
> mdc-0101fc44e800: Connection to service nobackup-MDT via nid
> [E
I am having clients lose their connection to the MDS. Messages on
the clients look like this:
Sep 4 19:51:30 nyx-login2 kernel: Lustre: nobackup-MDT-
mdc-0101fc44e800: Connection to service nobackup-MDT via nid
[EMAIL PROTECTED] was lost; in progress operations using this servic
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