[Gluster-users] Self-heal working ? Seeing "background meta-data data self-heal failed" in logs

2014-04-23 Thread Torbjørn Thorsen
ster0-replicate-0: background meta-data data self-heal failed on /some-path-here/disk0 [2014-04-23 13:02:20.253380] E [afr-self-heal-common.c:2212:afr_self_heal_completion_cbk] 0-gluster0-replicate-1: background meta-data data self-heal failed on /some-other-path/disk0 -- Vennlig hilsen

Re: [Gluster-users] Shutting down a server with no service disruption and Xen instance errors

2013-12-03 Thread Torbjørn Thorsen
at 2:57 PM, Hoggins! wrote: > Hello, > > Simply first stop the Glusterfs services on the brick you intend to > shutdown, and everything is fine. > I also experienced issues when I rebooted a brick without stopping the > services first. > > Hoggins! > > Le 03/12/2

[Gluster-users] Shutting down a server with no service disruption and Xen instance errors

2013-12-03 Thread Torbjørn Thorsen
Hello. We've got a 2x2 volume with two servers, holding Xen images for about 200 instances. Yesterday we wanted to reboot one of the servers into a new kernel and a new version of Gluster, and simply rebooted the server in question. This caused problems for some of the Xen instances, giving IO er

Re: [Gluster-users] How to evaluate the glusterfs performance with small file workload?

2013-03-18 Thread Torbjørn Thorsen
to say that the first one can't use cache at all, while the second one uses all the cache there is. Try to run the last one with "conv=fsync". This will sync the file at the end of writing, ensuring that when dd returns the data should be on disk. This will probably even out the run tim

Re: [Gluster-users] Debian Squeeze packages available for Gluster 3.4.0-alpha2

2013-03-15 Thread Torbjørn Thorsen
-dev.trollweb.net/gluster-3.4.0alpha2-debs/. If you want to fix the logrotate for 3.3, one option is to simply overwrite the existing one with this one: https://raw.github.com/torbjorntorbjorn/glusterfs-debian/3.4.0-squeeze/debian/glusterfs-common.logrotate. -- Vennlig hilsen Torbjørn Thorsen

Re: [Gluster-users] GlusterFS performance

2013-03-12 Thread Torbjørn Thorsen
gt; >> supportability is at the top of the pile. >> > > >> > > I have to agree; GlusterFS has been in use here in production for a >> > > while, >> > > and while it mostly works, it's been fragile and documentation has >> > > been >> > > disappointing. Despite 3.

[Gluster-users] Debian Squeeze packages available for Gluster 3.4.0-alpha2

2013-03-08 Thread Torbjørn Thorsen
lpha2.tar.gz. Some minor adjustments were made, as the versions in the original packaging seemed to refer to packages from Debian Wheezy. -- Vennlig hilsen Torbjørn Thorsen Utvikler / driftstekniker Trollweb Solutions AS - Professional Magento Partner www.trollweb.no Telefon dagtid: +47 512

[Gluster-users] Write-behind xlator and O_SYNC

2013-03-08 Thread Torbjørn Thorsen
d see if I still see the same behavior from write-behind. -- Vennlig hilsen Torbjørn Thorsen Utvikler / driftstekniker Trollweb Solutions AS - Professional Magento Partner www.trollweb.no Telefon dagtid: +47 51215300 Telefon kveld/helg: For kunder med Serviceavtale Besøksadresse: Luramyrve

Re: [Gluster-users] Performance in VM guests when hosting VM images on Gluster

2013-03-07 Thread Torbjørn Thorsen
On Thu, Mar 7, 2013 at 9:32 AM, Torbjørn Thorsen wrote: > After a while the loop device and Xen instance is slow, and profile > tells me it's only seeing 4kb writes. > Toggling the write-behind translator off and on again gets me back to > the initial transfer rate. > > I

Re: [Gluster-users] Performance in VM guests when hosting VM images on Gluster

2013-03-07 Thread Torbjørn Thorsen
On Tue, Mar 5, 2013 at 1:57 PM, Torbjørn Thorsen wrote: > On Fri, Mar 1, 2013 at 7:01 PM, Brian Foster wrote: >> On 03/01/2013 11:48 AM, Torbjørn Thorsen wrote: ... > A degraded loop device without an open fd will be fast after a toggle > of write-behind. > However, it seems th

[Gluster-users] Fwd: Performance in VM guests when hosting VM images on Gluster

2013-03-05 Thread Torbjørn Thorsen
On Fri, Mar 1, 2013 at 7:01 PM, Brian Foster wrote: > On 03/01/2013 11:48 AM, Torbjørn Thorsen wrote: >> On Thu, Feb 28, 2013 at 4:54 PM, Brian Foster wrote: > All writes are done with sync, so I don't quite understand how cache >> flushing comes in. >> > > F

Re: [Gluster-users] GlusterFS performance

2013-03-01 Thread Torbjørn Thorsen
ciple I like the idea >> of >> a virtual distribution/replication system which sits on top of existing >> local filesystems. But for storage, I need something where operational >> supportability is at the top of the pile. >> >> Regards, >> >> Brian. > > > >

Re: [Gluster-users] Performance in VM guests when hosting VM images on Gluster

2013-03-01 Thread Torbjørn Thorsen
0 805 65536b+ 0 19086 131072b+ 22 851 The script and gluster profile output can be downloaded at http://torbjorn-dev.trollweb.net/gluster/. To me it seems that a fresh loop device does mostly 64kb writes, and at some point during a

Re: [Gluster-users] Performance in VM guests when hosting VM images on Gluster

2013-02-28 Thread Torbjørn Thorsen
On Wed, Feb 27, 2013 at 9:46 PM, Brian Foster wrote: > On 02/27/2013 10:14 AM, Torbjørn Thorsen wrote: >> I'm seeing less-than-stellar performance on my Gluster deployment when >> hosting VM images on the FUSE mount. >> If we use a file on the gluster mount as backing

[Gluster-users] Performance in VM guests when hosting VM images on Gluster

2013-02-27 Thread Torbjørn Thorsen
e my situation isn't unique. However, I'm under the impression that other are using a similar setup with much better performance. [1]: * http://www.gluster.org/pipermail/gluster-users/2012-January/032369.html * http://www.gluster.org/pipermail/gluster-users/2012-July/033763.html -- V

Re: [Gluster-users] Peer Probe

2013-02-25 Thread Torbjørn Thorsen
installed >> glusterfs-rdma.x86_64 3.3.1-1.el6 installed >> glusterfs-server.x86_643.3.1-1.el6 installed >> >> Thanks. > > ___ > Gluster-users mailing list > Glu

Re: [Gluster-users] Bug in log rotation for 3.3.1

2013-02-25 Thread Torbjørn Thorsen
hub.com/gluster/glusterfs/blob/master/extras/glusterfs-logrotate > > _______ > Gluster-users mailing list > Gluster-users@gluster.org > http://supercolony.gluster.org/mailman/listinfo/gluster-users -- Vennlig hilsen Torbjørn Thorse

Re: [Gluster-users] Bug in log rotation for 3.3.1

2013-02-21 Thread Torbjørn Thorsen
r binaries! (gluster, glusterfs, glusterd) > ___ > Gluster-users mailing list > Gluster-users@gluster.org > http://supercolony.gluster.org/mailman/listinfo/gluster-users -- Vennlig hilsen Torbjørn Thorsen Utvikler / driftstekniker Trollweb

Re: [Gluster-users] Performance after failover

2012-11-30 Thread Torbjørn Thorsen
This is a self-reply. I've not been able to reproduce the situation, and it just might be my very own fault. Quite possible that misunderstanding and monitoring issues were the root causes of my problem. On Tue, Nov 27, 2012 at 4:44 PM, Torbjørn Thorsen wrote: > Hey, all. > >

[Gluster-users] Performance after failover

2012-11-27 Thread Torbjørn Thorsen
web.net:/srv/gluster/brick0$ Brick3: srv18.trollweb.net:/srv/gluster/brick1$ Brick4: srv17.trollweb.net:/srv/gluster/brick1$ -- Vennlig hilsen Torbjørn Thorsen Trollweb Solutions AS ___ Gluster-users mailing list Gluster-users@gluster.org http://sup