[Gluster-users] self-heal not working

[Ben Turner]

Can you also provide:

gluster v heal <my vol> info split-brain

If it is split brain just delete the incorrect file from the brick and run heal again.  I haven't tried this with arbiter but I assume the process is the same.

-b

----- Original Message -----
> From: "mabi" <mabi at protonmail.ch>
> To: "Ben Turner" <bturner at redhat.com>
> Cc: "Gluster Users" <gluster-users at gluster.org>
> Sent: Monday, August 21, 2017 4:55:59 PM
> Subject: Re: [Gluster-users] self-heal not working
> 
> Hi Ben,
> 
> So it is really a 0 kBytes file everywhere (all nodes including the arbiter
> and from the client).
> Here below you will find the output you requested. Hopefully that will help
> to find out why this specific file is not healing... Let me know if you need
> any more information. Btw node3 is my arbiter node.
> 
> NODE1:
> 
> STAT:
>   File:
>   ‘/data/myvolume/brick/data/appdata_ocpom4nckwru/preview/1344699/64-64-crop.png’
>   Size: 0         Blocks: 38         IO Block: 131072 regular empty file
> Device: 24h/36d Inode: 10033884    Links: 2
> Access: (0644/-rw-r--r--)  Uid: (   33/www-data)   Gid: (   33/www-data)
> Access: 2017-08-14 17:04:55.530681000 +0200
> Modify: 2017-08-14 17:11:46.407404779 +0200
> Change: 2017-08-14 17:11:46.407404779 +0200
> Birth: -
> 
> GETFATTR:
> trusted.afr.dirty=0sAAAAAQAAAAAAAAAA
> trusted.bit-rot.version=0sAgAAAAAAAABZhuknAAlJAg==
> trusted.gfid=0sGYXiM9XuTj6lGs8LX58q6g==
> trusted.glusterfs.d99af2fa-439b-4a21-bf3a-38f3849f87ec.xtime=0sWZG9sgAGOyo=
> 
> NODE2:
> 
> STAT:
>   File:
>   ‘/data/myvolume/brick/data/appdata_ocpom4nckwru/preview/1344699/64-64-crop.png’
>   Size: 0         Blocks: 38         IO Block: 131072 regular empty file
> Device: 26h/38d Inode: 10031330    Links: 2
> Access: (0644/-rw-r--r--)  Uid: (   33/www-data)   Gid: (   33/www-data)
> Access: 2017-08-14 17:04:55.530681000 +0200
> Modify: 2017-08-14 17:11:46.403704181 +0200
> Change: 2017-08-14 17:11:46.403704181 +0200
> Birth: -
> 
> GETFATTR:
> trusted.afr.dirty=0sAAAAAQAAAAAAAAAA
> trusted.bit-rot.version=0sAgAAAAAAAABZhu6wAA8Hpw==
> trusted.gfid=0sGYXiM9XuTj6lGs8LX58q6g==
> trusted.glusterfs.d99af2fa-439b-4a21-bf3a-38f3849f87ec.xtime=0sWZG9sgAGOVE=
> 
> NODE3:
> STAT:
>   File:
>   /srv/glusterfs/myvolume/brick/data/appdata_ocpom4nckwru/preview/1344699/64-64-crop.png
>   Size: 0         Blocks: 0          IO Block: 4096   regular empty file
> Device: ca11h/51729d Inode: 405208959   Links: 2
> Access: (0644/-rw-r--r--)  Uid: (   33/www-data)   Gid: (   33/www-data)
> Access: 2017-08-14 17:04:55.530681000 +0200
> Modify: 2017-08-14 17:04:55.530681000 +0200
> Change: 2017-08-14 17:11:46.604380051 +0200
> Birth: -
> 
> GETFATTR:
> trusted.afr.dirty=0sAAAAAQAAAAAAAAAA
> trusted.bit-rot.version=0sAgAAAAAAAABZe6ejAAKPAg==
> trusted.gfid=0sGYXiM9XuTj6lGs8LX58q6g==
> trusted.glusterfs.d99af2fa-439b-4a21-bf3a-38f3849f87ec.xtime=0sWZG9sgAGOc4=
> 
> CLIENT GLUSTER MOUNT:
> STAT:
>   File:
>   '/mnt/myvolume/data/appdata_ocpom4nckwru/preview/1344699/64-64-crop.png'
>   Size: 0         Blocks: 0          IO Block: 131072 regular empty file
> Device: 1eh/30d Inode: 11897049013408443114  Links: 1
> Access: (0644/-rw-r--r--)  Uid: (   33/www-data)   Gid: (   33/www-data)
> Access: 2017-08-14 17:04:55.530681000 +0200
> Modify: 2017-08-14 17:11:46.407404779 +0200
> Change: 2017-08-14 17:11:46.407404779 +0200
> Birth: -
> 
> > -------- Original Message --------
> > Subject: Re: [Gluster-users] self-heal not working
> > Local Time: August 21, 2017 9:34 PM
> > UTC Time: August 21, 2017 7:34 PM
> > From: bturner at redhat.com
> > To: mabi <mabi at protonmail.ch>
> > Gluster Users <gluster-users at gluster.org>
> >
> > ----- Original Message -----
> >> From: "mabi" <mabi at protonmail.ch>
> >> To: "Gluster Users" <gluster-users at gluster.org>
> >> Sent: Monday, August 21, 2017 9:28:24 AM
> >> Subject: [Gluster-users] self-heal not working
> >>
> >> Hi,
> >>
> >> I have a replicat 2 with arbiter GlusterFS 3.8.11 cluster and there is
> >> currently one file listed to be healed as you can see below but never gets
> >> healed by the self-heal daemon:
> >>
> >> Brick node1.domain.tld:/data/myvolume/brick
> >> /data/appdata_ocpom4nckwru/preview/1344699/64-64-crop.png
> >> Status: Connected
> >> Number of entries: 1
> >>
> >> Brick node2.domain.tld:/data/myvolume/brick
> >> /data/appdata_ocpom4nckwru/preview/1344699/64-64-crop.png
> >> Status: Connected
> >> Number of entries: 1
> >>
> >> Brick node3.domain.tld:/srv/glusterfs/myvolume/brick
> >> /data/appdata_ocpom4nckwru/preview/1344699/64-64-crop.png
> >> Status: Connected
> >> Number of entries: 1
> >>
> >> As once recommended on this mailing list I have mounted that glusterfs
> >> volume
> >> temporarily through fuse/glusterfs and ran a "stat" on that file which is
> >> listed above but nothing happened.
> >>
> >> The file itself is available on all 3 nodes/bricks but on the last node it
> >> has a different date. By the way this file is 0 kBytes big. Is that maybe
> >> the reason why the self-heal does not work?
> >
> > Is the file actually 0 bytes or is it just 0 bytes on the arbiter(0 bytes
> > are expected on the arbiter, it just stores metadata)? Can you send us the
> > output from stat on all 3 nodes:
> >
> > $ stat <file on back end brick>
> > $ getfattr -d -m - <file on back end brick>
> > $ stat <file from gluster mount>
> >
> > Lets see what things look like on the back end, it should tell us why
> > healing is failing.
> >
> > -b
> >
> >>
> >> And how can I now make this file to heal?
> >>
> >> Thanks,
> >> Mabi
> >>
> >>
> >>
> >>
> >> _______________________________________________
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> >> Gluster-users at gluster.org
> >> http://lists.gluster.org/mailman/listinfo/gluster-users