Re: [Lustre-discuss] lustre 1.6.7.2 client kernel panic

2009-12-21 Thread Nick Jennings
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Thanks for this tip Bernd. I'll be unable to upgrade for a while, so this is a very useful workaround. Does it have any drawbacks I should be aware of? On 12/22/2009 12:35 AM, Bernd Schubert wrote: > On Monday 21 December 2009, Andreas Dilger wrote: >

Re: [Lustre-discuss] lustre 1.6.7.2 client kernel panic

2009-12-21 Thread Bernd Schubert
On Monday 21 December 2009, Andreas Dilger wrote: > On 2009-12-21, at 11:15, Nick Jennings wrote: > > I had another instance of the client kernel panic which I first > > encountered a few months ago. This time I managed to get a shot of the > > console. Attached is the dmesg output from ssn1(OSS) d

Re: [Lustre-discuss] lustre 1.6.7.2 client kernel panic

2009-12-21 Thread Andreas Dilger
On 2009-12-21, at 11:15, Nick Jennings wrote: > I had another instance of the client kernel panic which I first > encountered a few months ago. This time I managed to get a shot of the > console. Attached is the dmesg output from ssn1(OSS) dbn1(MDS) and the > JPG is from the console of wsn1(client)

[Lustre-discuss] Vote for your favorite HPC file system on Linkedin

2009-12-21 Thread Kevin Canady
If you are part of the High Performance and & Super Computing Group on Linkedin (http://www.linkedin.com/groups?home=&gid=95317&trk=anet_ug_hm) They are holding a vote for your favorite file system, you can also provide your specific comments. The following link should bring you to the survey.

Re: [Lustre-discuss] lustre 1.6.7.2 client kernel panic

2009-12-21 Thread Brian J. Murrell
On Mon, 2009-12-21 at 19:15 +0100, Nick Jennings wrote: > > I had another instance of the client kernel panic which I first > encountered a few months ago. This time I managed to get a shot of the > console. Perhaps one of the more expert engineers will recognize the problem from that partial s

Re: [Lustre-discuss] performance tuning w/ dbench, bonnie++

2009-12-21 Thread Andreas Dilger
On 2009-12-21, at 10:57, Jay Christopherson wrote: > However, no matter what our configuration, dbench never shows any > improvement. It never shows more than 25MB/sec, with 5 clients. I > *KNOW* we are getting better throughput, but I need to be able to > prove it. Dbench should not be co

[Lustre-discuss] performance tuning w/ dbench, bonnie++

2009-12-21 Thread Jay Christopherson
I have a relatively small Lustre environment. I'm running 4 OSS's with 4 OST's, running version 1.8.1.1 (I recently upgraded from 1.6). The MDS is a separate host with separate disk. I've been using Lustre to host shared logs, files, and application queues, most recently, a JMS shared queue. It