Re: [CentOS] Is GFS for HPC?

2009-02-27 Thread Karanbir Singh
Joe Barjo wrote: > First GFS test on 6 nodes (with gnbd) were ok, but there had been > unexplained kernel panics (even when not working) that prevented further > tests. Thats interesting to me, I've just recently been working with gfs - and using some of the newer kernels dont seem to have any

Re: [CentOS] Is GFS for HPC?

2009-02-26 Thread Rainer Duffner
Am 27.02.2009 um 01:53 schrieb Joe Barjo: > Each node is also an nfs server (centos 4.7) > One nfs server per user. > I think it is still nfsv3, I will consider upgrading to v4. Problem is CentOS4.7. You'll probably get an improvement with CentOS5. Rainer __

Re: [CentOS] Is GFS for HPC?

2009-02-26 Thread Joe Barjo
Each node is also an nfs server (centos 4.7) One nfs server per user. I think it is still nfsv3, I will consider upgrading to v4. On Fri, Feb 27, 2009 at 1:47 AM, Rainer Duffner wrote: > > Am 27.02.2009 um 01:44 schrieb Joe Barjo: > > > I'd also like to test gfs for a 30 nodes cluster with sge.

Re: [CentOS] Is GFS for HPC?

2009-02-26 Thread Rainer Duffner
Am 27.02.2009 um 01:44 schrieb Joe Barjo: > I'd also like to test gfs for a 30 nodes cluster with sge. > Tasks are often quite short, files are also quite small. Job rate > can be quite high (can reach 10 to 20/second) > We actualy use NFS under centos4.7 and experience coherency problems. > I

Re: [CentOS] Is GFS for HPC?

2009-02-26 Thread Joe Barjo
I'd also like to test gfs for a 30 nodes cluster with sge. Tasks are often quite short, files are also quite small. Job rate can be quite high (can reach 10 to 20/second) We actualy use NFS under centos4.7 and experience coherency problems. I tested AFS, lustre, glusterFS. All showed too much overh

Re: [CentOS] Is GFS for HPC?

2009-02-23 Thread Jens Larsson
> > Just curious if GFS can be used in a HPC environment, like GPFS or > > Oracle OCFS2? > I don't think so. Comments from people in the HPC-business indicate that > it doesn't scale to the number of nodes that typically forms these kinds > of environments. > > NFS still rulez there, together

Re: [CentOS] Is GFS for HPC?

2009-02-23 Thread Rainer Duffner
Marcelo M. Garcia schrieb: > Hi. > > Just curious if GFS can be used in a HPC environment, like GPFS or > Oracle OCFS2? > I don't think so. Comments from people in the HPC-business indicate that it doesn't scale to the number of nodes that typically forms these kinds of environments. NFS sti

[CentOS] Is GFS for HPC?

2009-02-23 Thread Marcelo M. Garcia
Hi. Just curious if GFS can be used in a HPC environment, like GPFS or Oracle OCFS2? Thanks Marcelo ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos