Re: [Lustre-discuss] How to change default stripe count

2008-09-29 Thread Brian J. Murrell
On Sat, 2008-09-27 at 12:02 -0500, Mike Feuerstein wrote: > This sounds elegant, but is it persistent? lfs setstripe is always persistent. b. signature.asc Description: This is a digitally signed message part ___ Lustre-discuss mailing list Lustre-

Re: [Lustre-discuss] new Beta version?

2008-09-29 Thread Brian J. Murrell
On Sun, 2008-09-28 at 11:48 -0400, Mag Gam wrote: > We have been using 1.6 Beta6 version for our clients about 2 months > but I am curious if there is a newer beta version. I am more concerned > about the statahead problem and if it was resolved in any newer > versions. We don't do public betas --

Re: [Lustre-discuss] MDT and MGS

2008-09-29 Thread Brian J. Murrell
On Mon, 2008-09-29 at 01:42 +0200, Nico Budewitz wrote: > It's not clear to me which informations/configurations are stored by > the MGS. All of the configuration information related to all filesystems that use that MGS. > I have two MDT's created on the MDS with the command > > 1. with MGS >

Re: [Lustre-discuss] MDT and MGS

2008-09-29 Thread Jeff Darcy
Brian J. Murrell wrote: > This is _exactly_ the reason that we recommend a separate MGS for > installations that have even a notion of wanting more than one > filesystem. > I just checked, and the current Lustre operations manual (v1.14, updated September 19) does not seem to reflect that belie

Re: [Lustre-discuss] MDT and MGS

2008-09-29 Thread Brian J. Murrell
On Mon, 2008-09-29 at 10:34 -0400, Jeff Darcy wrote: > > I just checked, and the current Lustre operations manual (v1.14, updated > September 19) does not seem to reflect that belief; even the "more > complex configurations" offer mkfs.lustre commands that give a combined > MGS/MDT. But you

Re: [Lustre-discuss] MDT and MGS

2008-09-29 Thread Jeff Darcy
Brian J. Murrell wrote: > But you will notice that in the specific section 4.2.2.6 "Running > Multiple Lustre Filesystems" they do demonstrate setting up a separate > MGS: > Actually they demonstrate setting up a separate MDT to use an existing MGS. There's even a note that says "specify --mdt

[Lustre-discuss] MGS/MDS error: operation 101 on unconnected MGS

2008-09-29 Thread Ms. Megan Larko
Greetings, It's Monday (sigh). I lost one dual-core Opteron 275 of two on my OSS box over the weekend. The /var/log/messages contained many "bus error on processor" messages. So Monday I rebooted the OSS with only one dual core CPU. The box came up just fine and I mounted the three lustre OST

Re: [Lustre-discuss] MDT and MGS

2008-09-29 Thread Brian J. Murrell
On Mon, 2008-09-29 at 11:28 -0400, Jeff Darcy wrote: > > Actually they demonstrate setting up a separate MDT to use an existing > MGS. Are we talking about the same thing here? In the commands: mgsnode# mkfs.lustre --mgs /dev/sda mdtfoonode# mkfs.lustre --fsname=foo --mdt [EMAIL PROTECTED]

[Lustre-discuss] Kernel panic on RHEL 4 WS

2008-09-29 Thread Sridhar Gullapalli
Greetings folks, Trying to get Lustre up and running on a RHEL 4 WS box. Thanks to this list I found the correct link to the e2fsprogs which I installed. On booting the lustre enabled kernel, I get a kernel panic. File Descriptor 3 left open mount: error 6 mounting ext 3 Mount: error 2 mounting

Re: [Lustre-discuss] Quota performance

2008-09-29 Thread Craig Tierney
Mag Gam wrote: > Thanks Andreas. We are planning to implement 250GB per user. Do you > think there will be a performance degration? > We put a requirement on our integrator to ensure that measured performance was with quotas turned on. We have seen enough other filesystems were the performance p

[Lustre-discuss] mounting OST causes hard lock, part 2

2008-09-29 Thread Dan
I have a small Luster setup that's worked pretty well for the last year. A few weeks ago I posted that the OSS locks when it mounts a paticular OST. The Dilger Procedure was suggested and mounting with "-o abort_recovery" worked. This morning it crashed again and remounting the same OST and o