Re: [Lustre-discuss] forced umount of OST in failover case?

2008-05-20 Thread Andreas Dilger
On May 19, 2008 13:09 -0700, Nathaniel Rutman wrote: Erich Focht wrote: the lustre manual says: 2.2.1.5 Stopping a Server To stop a server: $ umount -f /mnt/test/ost0 The '-f' flag means force; force the server to stop WITHOUT RECOVERY. Without the '-f' flag, failover is

Re: [Lustre-discuss] forced umount of OST in failover case?

2008-05-20 Thread Erich Focht
Thanks very much for the clarification! The improvement of the manual as proposed by Andreas makes things easier to understand. Best regards, Erich On Montag 19 Mai 2008, Nathaniel Rutman wrote: Erich Focht wrote: Hi, the lustre manual says: 2.2.1.5 Stopping a Server To stop a

[Lustre-discuss] Source code analysis

2008-05-20 Thread ashok bharat bayana
Hi all! Does anyone worked on the static source code analysis of lustre1.6.4.2 code? I'm trying with source-navigator I need help in this regard. thanks and Regards, Ashok Bharat ___ Lustre-discuss mailing list Lustre-discuss@lists.lustre.org

Re: [Lustre-discuss] forced umount of OST in failover case?

2008-05-20 Thread Sheila Barthel
Andreas - I just opened BZ 15854 to track this update to the Lustre manual. It will be included in the next edition. Sheila Andreas Dilger wrote: On May 19, 2008 13:09 -0700, Nathaniel Rutman wrote: Erich Focht wrote: the lustre manual says: 2.2.1.5 Stopping a Server To stop

[Lustre-discuss] High system CPU

2008-05-20 Thread Reto Gantenbein
Hello Lustre users We have a Lustre setup consisting of 2 Lustre servers exporting 7 OSTs and 1 MGS/MDT. The storage devices are FibreChannel-RAIDs connected through a QLogic SANbox 5602 with the two servers. The servers run the Lustre-patched 2.6.18 Vanilla sources. We use Lustre 1.6.4.3. On

Re: [Lustre-discuss] High system CPU

2008-05-20 Thread Isaac Huang
On Tue, May 20, 2008 at 08:14:01PM +0200, Reto Gantenbein wrote: Hello Lustre users We have a Lustre setup consisting of 2 Lustre servers exporting 7 OSTs and 1 MGS/MDT. The storage devices are FibreChannel-RAIDs connected through a QLogic SANbox 5602 with the two servers. The servers run

Re: [Lustre-discuss] Looping in __d_lookup

2008-05-20 Thread Jakob Goldbach
Hm, so you actually have a circular loop? Yes - I've asked for help on the OpenVZ list as well - Pavel Emelyanov provided me with a debug patch. This patch has now confirmed the loop in __d_lookup. I wonder if you can e.g. run your (or similar setup) in vmware [snip] Hmm, I'm not

[Lustre-discuss] Planning a Lustre Quick Start Guide

2008-05-20 Thread Sheila Barthel
The Lustre documentation team is now in the planning stage to develop a formal Quick Start Guide for Lustre. The scope, topical coverage, and layout of the Guide are being considered. We invite the Lustre community to suggest specific quick start topics that you would like to see included in