Re: [Linux-cluster] gfs2 hang

2008-01-02 Thread Steven Whitehouse
Hi, On Thu, 2007-12-27 at 13:31 -0800, Scooter Morris wrote: Greetings, We've got a two-node cluster running RHEL 5.1 that we've been experimenting with and have discovered a problem with gfs2. As part of our build environment, we have some find scripts that walk a directory tree:

Re: [Linux-cluster] gfs2 hang

2008-01-01 Thread Wendy Cheng
Jos Vos wrote: The one thing that's horribly wrong in some applications is performance. If you need to have large amounts of files and frequent directory scans (i.e. rsync etc.), you're lost. On GFS(1) part, the glock trimming patch

Re: [Linux-cluster] gfs2 hang

2008-01-01 Thread Jos Vos
On Tue, Jan 01, 2008 at 12:56:12PM -0500, Wendy Cheng wrote: On GFS(1) part, the glock trimming patch (http://people.redhat.com/wcheng/Patches/GFS/readme.gfs_glock_trimming.R4) was developed for customers with rsync issues. Field data have shown positive results. It is released on RHEL

Re: [Linux-cluster] gfs2 hang

2007-12-28 Thread gordan
On Thu, 27 Dec 2007, Jos Vos wrote: On Thu, Dec 27, 2007 at 01:31:59PM -0800, Scooter Morris wrote: Is this a known bug in gfs2? Is there something we could do to help find this problem? I assume you know GFS2 is still in technology preview status and officially not meant for production

Re: [Linux-cluster] gfs2 hang

2007-12-28 Thread gordan
On Thu, 27 Dec 2007, Scooter Morris wrote: Is this a known bug in gfs2? Is there something we could do to help find this problem? I assume you know GFS2 is still in technology preview status and officially not meant for production use? Yes, I am aware of that. We're not looking to

Re: [Linux-cluster] gfs2 hang

2007-12-28 Thread Jos Vos
On Fri, Dec 28, 2007 at 08:23:57AM +, [EMAIL PROTECTED] wrote: I thought it was supposed to be stable in RHEL5.1. Not that I believed it, but it seemed to be implied. This was suggested during the 5.0 release, but the release notes of 5.1 say something different. -- --Jos Vos [EMAIL

Re: [Linux-cluster] gfs2 hang

2007-12-28 Thread gordan
On Thu, 27 Dec 2007, Jos Vos wrote: On Thu, Dec 27, 2007 at 01:45:56PM -0800, Scooter Morris wrote: Yes, I am aware of that. We're not looking to put things into production on this cluster for awhile. However, are you telling me that GFS2 is just flat unstable or not yet thoroughly tested?

Re: [Linux-cluster] gfs2 hang

2007-12-28 Thread Jos Vos
On Fri, Dec 28, 2007 at 08:27:42AM +, [EMAIL PROTECTED] wrote: I suspect you'll find it isn't usable even for a working prototype of any description. Stick to GFS1, there's nothing wrong with it. The one thing that's horribly wrong in some applications is performance. If you need to have

Re: [Linux-cluster] gfs2 hang

2007-12-28 Thread gordan
On Fri, 28 Dec 2007, Jos Vos wrote: I suspect you'll find it isn't usable even for a working prototype of any description. Stick to GFS1, there's nothing wrong with it. The one thing that's horribly wrong in some applications is performance. If you need to have large amounts of files and

Re: [Linux-cluster] gfs2 hang

2007-12-27 Thread Jos Vos
On Thu, Dec 27, 2007 at 01:45:56PM -0800, Scooter Morris wrote: Yes, I am aware of that. We're not looking to put things into production on this cluster for awhile. However, are you telling me that GFS2 is just flat unstable or not yet thoroughly tested? If the former, then I won't

Re: [Linux-cluster] gfs2 hang

2007-12-27 Thread Scooter Morris
Jos Vos wrote: On Thu, Dec 27, 2007 at 01:31:59PM -0800, Scooter Morris wrote: Is this a known bug in gfs2? Is there something we could do to help find this problem? I assume you know GFS2 is still in technology preview status and officially not meant for production use? Yes, I