Re: [Lustre-discuss] Fwd: I/O tests on Lustre

2008-05-15 Thread Andreas Dilger
On May 14, 2008 16:14 -0400, Garland Jackson wrote: I have a user at the Naval Research Laboratory running Lustre on a Cray XD1. I'll let his email to me tell the story, but he doesn't want to know if the numbers he's observing are reasonable. What do you say out there? Can anyone out

Re: [Lustre-discuss] client randomly evicted

2008-05-15 Thread Robin Humble
On Fri, May 02, 2008 at 03:16:31PM -0700, Andreas Dilger wrote: On Apr 30, 2008 11:40 -0400, Aaron Knister wrote: Some more information that might be helpful. There is a particular code that one of our users runs. Personally after the trouble this code has caused us we'd like to hand him a

Re: [Lustre-discuss] client randomly evicted

2008-05-15 Thread Yong Fan
Robin Humble 写道: On Fri, May 02, 2008 at 03:16:31PM -0700, Andreas Dilger wrote: On Apr 30, 2008 11:40 -0400, Aaron Knister wrote: Some more information that might be helpful. There is a particular code that one of our users runs. Personally after the trouble this code has caused

[Lustre-discuss] Looping in __d_lookup

2008-05-15 Thread Jakob Goldbach
Hi, I run 1.6.4.3-patchless againt a vanilla 2.6.18 - but with OpenVZ patches on my clients. OpenVZ is virtualization (like vserver, bsd jails etc.). On a regular basis a process get stuck in __d_lookup. When I dig in it seems I'm caught in the hlist_for_each_entry_rcu loop never satisfying the

[Lustre-discuss] Lustre 1.6.4.3 + OFED 1.2.5.5 + RHEL 4u4 AS

2008-05-15 Thread Malcolm Cowe
Hi Folks, Having some trouble with building Lustre 1.6.4.3 with OFED 1.2.5.5 on a RHEL 4u4 AS server. Could somebody please help me to understand where I've gone wrong? Here's what I have done so far: 1. Install RHEL 4u4 AS (full installation). 2. Download the Lustre RPMs from sun.com:

Re: [Lustre-discuss] client randomly evicted

2008-05-15 Thread Aaron Knister
Ah! That would make a lot of sense. echoing 0 to statahead_count doesn't really do anything other than hang my session. Thanks! -Aaron On May 15, 2008, at 4:36 AM, Yong Fan wrote: Robin Humble 写道: On Fri, May 02, 2008 at 03:16:31PM -0700, Andreas Dilger wrote: On Apr 30, 2008 11:40

Re: [Lustre-discuss] Can lustre be trusted to keep my data safe?

2008-05-15 Thread Joe Georger
I think you should be more worried about your hardware. We have several Nexsan units including dual controller Satabeasts running Raid6. A few months ago one of them had a glitch and it incorrectly marked 3 disks as bad within 6 seconds. So it had started the rebuild process then stopped in

Re: [Lustre-discuss] Lustre 1.6.4.3 + OFED 1.2.5.5 + RHEL 4u4 AS

2008-05-15 Thread Brian J. Murrell
A search of bugzilla yields bug 15315 which identifies bug 15030 as well. Please read through those two bugs. b. signature.asc Description: This is a digitally signed message part ___ Lustre-discuss mailing list Lustre-discuss@lists.lustre.org

[Lustre-discuss] 1.6.5

2008-05-15 Thread Papp Tamás
Dear All, What is the expected date when v1.6.5 arrives? What kernels (patchless clients) will be supported? Thank you, tamas ___ Lustre-discuss mailing list Lustre-discuss@lists.lustre.org http://lists.lustre.org/mailman/listinfo/lustre-discuss

Re: [Lustre-discuss] Fwd: I/O tests on Lustre

2008-05-15 Thread Marty Barnaby
I concur with Andreas; this question comes around regularly, but the all the details of the Lustre FS deployment, as well as host cluster configuration and implementation, have inordinate significance. You can refer to the thread Off-topic: largest existing Lustre file system? back in January

Re: [Lustre-discuss] 1.6.5

2008-05-15 Thread Brian J. Murrell
On Thu, 2008-05-15 at 18:13 +0200, Papp Tamás wrote: Dear All, What is the expected date when v1.6.5 arrives? We don't try to predict release dates. I can tell you that RC3 just went to QA. What kernels (patchless clients) will be supported? From the lustre/Changelog: * Support

[Lustre-discuss] Benchmarking small file performance

2008-05-15 Thread Rick Friedman
We build a Lustre appliance that comes fully configured and tuned. A number of customers have asked us about small file performance. We are looking for feedback on how people quantify this type of performance with their Lustre based systems. In most cases we are looking at applications that are

Re: [Lustre-discuss] 1.6.5

2008-05-15 Thread Andreas Dilger
On May 15, 2008 18:13 +0200, Papp Tam�s wrote: What is the expected date when v1.6.5 arrives? The 1.6.5 release is undergoing internal testing, and we hope to release it in the next couple of weeks, but this is subject to successful testing (or there is no point in doing the testing...). You