[Ocfs2-users] huge "something" problem

[Alexandre Racine]

Luis,

 

There is locally (on hard drives, not the OCFS2) apache, mysql.

For backup, we use NFS on the OCFS2. I am suspecting that multiple small
writes are doing this to the file system. Unfortunately, I don't have
any evidence to support this except for the facts then when users are
using some program on the HPC, I have the symptoms that I wrote below. 

 

 

 

 

Alexandre Racine

alexandre.racine at mhicc.org

514-461-1300 poste 3303

 

From: ocfs2-users-bounces at oss.oracle.com
[mailto:ocfs2-users-bounces at oss.oracle.com] On Behalf Of Luis Freitas
Sent: 2 juin 2008 10:58
To: Alexandre Racine
Cc: ocfs2-users at oss.oracle.com
Subject: Re: [Ocfs2-users] huge "something" problem

 

Alexandre,

  What are you running on the servers? (NFS Server? apache? Oracle?)

Regards,
Luis


--- On Mon, 6/2/08, Alexandre Racine <Alexandre.Racine at mhicc.org> wrote:

From: Alexandre Racine <Alexandre.Racine at mhicc.org>
Subject: Re: [Ocfs2-users] huge "something" problem
To: "Sunil Mushran" <Sunil.Mushran at oracle.com>
Cc: ocfs2-users at oss.oracle.com
Date: Monday, June 2, 2008, 11:17 AM

Ok. I have the same problem now (load of server at 8.00, no processors

higher then 5% of utilization, and a user can't access his folder).

  

I did your commands,
 but there no real data here...

  

racinea at srv2 /mnt/data/testOCFS2 $ sudo ./scanlocks2.sh

racinea@ srv2 /mnt/data/testOCFS2 $ w

 10:16:44 up 9 days, 19:10,  2 users,  load average: 8.43, 8.36, 8.14

USER     TTY        LOGIN@   IDLE   JCPU   PCPU WHAT

racinea  pts/1     10:13    0.00s  0.02s  0.00s w

racinea@ srv2 /mnt/data/testOCFS2 $ sudo ./listdomains.sh

41535574BDEB4720B2CE7819A631DF10  /dev/sdd

/home

  

  

What else could I try?

Thanks.

  

  

  

Alexandre Racine

alexandre.racine at mhicc.org

514-461-1300 poste 3303

  

> -----Original Message-----

> From: Sunil Mushran [mailto:Sunil.Mushran at oracle.com]

> Sent: 27 mai 2008 14:26

> To: Alexandre Racine

> Cc: ocfs2-users at oss.oracle.com

> Subject: Re: [Ocfs2-users] huge "something" problem

> 

> Alexandre Racine wrote:

> > Excellent, that works great! Now that I have the locks and the

domain

> >
 name what should I do to unlock them? (Or fix the problem).

> >

> The locking and unlocking is handled by the dlm. I'm working

> on updating the wikis with more information on debugging such

> issues. For the time being, ping me with the info.

  

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