Alastair Neil
2015-Jun-01 14:45 UTC
[Gluster-users] 3.6.3 split brain on web browser cache dir w. replica 3 volume
I have a replica 3 volume I am using to serve my home directory. I have notices a couple of split-brains recently on files used by browsers(for the most recent see below, I had an earlier one on ".config/google-chrome/Default/Session Storage/") . When I was running replica 2 I don't recall seeing more than two entries of the form: trusted.afr.volname.client-?. I did have two other servers that I have removed from service recently but I am curious to know if there is some way to map what the server reports as trusted.afr.volname-client-? to a hostname? Thanks, Alastair # gluster volume heal homes info> Brick gluster-2:/export/brick2/home/ > /a/n/aneil2/.cache/mozilla/firefox/xecgwc8s.Alastair - Is in split-brain > Number of entries: 1 > Brick gluster1:/export/brick2/home/ > /a/n/aneil2/.cache/mozilla/firefox/xecgwc8s.Alastair - Is in split-brain > Number of entries: 1 > Brick gluster0:/export/brick2/home/ > /a/n/aneil2/.cache/mozilla/firefox/xecgwc8s.Alastair - Is in split-brain > Number of entries: 1 > # getfattr -d -m . -e hex > /export/brick2/home/a/n/aneil2/.cache/mozilla/firefox/xecgwc8s.Alastair > getfattr: Removing leading '/' from absolute path names > # file: > export/brick2/home/a/n/aneil2/.cache/mozilla/firefox/xecgwc8s.Alastair > security.selinux=0x73797374656d5f753a6f626a6563745f723a66696c655f743a733000 > trusted.afr.dirty=0x000000000000000000000000 > trusted.afr.homes-client-0=0x000000000000000000000000 > trusted.afr.homes-client-1=0x000000000000000000000000 > trusted.afr.homes-client-2=0x000000000000000000000000 > trusted.afr.homes-client-3=0x000000000000000000000002 > trusted.afr.homes-client-4=0x000000000000000000000000 > trusted.gfid=0x3ae398227cea4f208d7652dbfb93e3e5 > trusted.glusterfs.dht=0x000000010000000000000000ffffffff > trusted.glusterfs.quota.dirty=0x3000 > > trusted.glusterfs.quota.edf41dc8-2122-4aa3-bc20-29225564ca8c.contri=0x00000000162d2200 > trusted.glusterfs.quota.size=0x00000000162d2200-------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.gluster.org/pipermail/gluster-users/attachments/20150601/d08c1380/attachment.html>
Ravishankar N
2015-Jun-02 03:49 UTC
[Gluster-users] 3.6.3 split brain on web browser cache dir w. replica 3 volume
On 06/01/2015 08:15 PM, Alastair Neil wrote:> > I have a replica 3 volume I am using to serve my home directory. I > have notices a couple of split-brains recently on files used by > browsers(for the most recent see below, I had an earlier one on > ".config/google-chrome/Default/Session Storage/") . When I was > running replica 2 I don't recall seeing more than two entries of the > form: trusted.afr.volname.client-?. I did have two other servers that > I have removed from service recently but I am curious to know if there > is some way to map what the server reports as > trusted.afr.volname-client-? to a hostname? >Your volfile (/var/lib/glusterd/vols/<volname>/trusted-<volname>.tcp-fuse.vol) should contain which brick (remote-subvolume + remote-host) a given trusted.afr* maps to. Hope that helps, Ravi> Thanks, Alastair > > > # gluster volume heal homes info > Brick gluster-2:/export/brick2/home/ > /a/n/aneil2/.cache/mozilla/firefox/xecgwc8s.Alastair - Is in > split-brain > Number of entries: 1 > Brick gluster1:/export/brick2/home/ > /a/n/aneil2/.cache/mozilla/firefox/xecgwc8s.Alastair - Is in > split-brain > Number of entries: 1 > Brick gluster0:/export/brick2/home/ > /a/n/aneil2/.cache/mozilla/firefox/xecgwc8s.Alastair - Is in > split-brain > Number of entries: 1 > # getfattr -d -m . -e hex > /export/brick2/home/a/n/aneil2/.cache/mozilla/firefox/xecgwc8s.Alastair > getfattr: Removing leading '/' from absolute path names > # file: > export/brick2/home/a/n/aneil2/.cache/mozilla/firefox/xecgwc8s.Alastair > security.selinux=0x73797374656d5f753a6f626a6563745f723a66696c655f743a733000 > trusted.afr.dirty=0x000000000000000000000000 > trusted.afr.homes-client-0=0x000000000000000000000000 > trusted.afr.homes-client-1=0x000000000000000000000000 > trusted.afr.homes-client-2=0x000000000000000000000000 > trusted.afr.homes-client-3=0x000000000000000000000002 > trusted.afr.homes-client-4=0x000000000000000000000000 > trusted.gfid=0x3ae398227cea4f208d7652dbfb93e3e5 > trusted.glusterfs.dht=0x000000010000000000000000ffffffff > trusted.glusterfs.quota.dirty=0x3000 > trusted.glusterfs.quota.edf41dc8-2122-4aa3-bc20-29225564ca8c.contri=0x00000000162d2200 > trusted.glusterfs.quota.size=0x00000000162d2200 > > > > > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://www.gluster.org/mailman/listinfo/gluster-users-------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.gluster.org/pipermail/gluster-users/attachments/20150602/9c7c380c/attachment.html>