[Gluster-users] Self-heal Problems with gluster and nfs

[Pranith Kumar Karampuri]

On 07/07/2014 06:58 PM, Norman Mähler wrote:
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> Dear community,
>
> we have got some serious problems with our Gluster installation.
>
> Here is the setting:
>
> We have got 2 bricks (version 3.4.4) on a debian 7.5, one of them with
> an nfs export.
> There are about 120 clients connecting to the exported nfs.
> These clients are thin clients reading and writing their Linux home
> directories from the exported nfs.
>
> We want to change the access of these clients one by one to access via
> gluster client.
I did not understand what you meant by this. Are you moving to 
glusterfs-fuse based mounts?

>
>
> Here are our problems:
>
> In the moment we have got two types of error messages which come in
> burts to our glusterfshd.log
>
> [2014-07-07 13:10:21.572487] W
> [client-rpc-fops.c:1538:client3_3_inodelk_cbk]
> 0-gluster_dateisystem-client-1: remote operation failed: No such file
> or directory
> [2014-07-07 13:10:21.573448] W
> [client-rpc-fops.c:471:client3_3_open_cbk]
> 0-gluster_dateisystem-client-1: remote operation failed: No such file
> or directory. Path: <gfid:b0c4f78a-249f-4db7-9d5b-0902c7d8f6cc>
> (00000000-0000-0000-0000-000000000000)
> [2014-07-07 13:10:21.573468] E
> [afr-self-heal-data.c:1270:afr_sh_data_open_cbk]
> 0-gluster_dateisystem-replicate-0: open of
> <gfid:b0c4f78a-249f-4db7-9d5b-0902c7d8f6cc> failed on child
> gluster_dateisystem-client-1 (No such file or directory)
>
>
> This looks like a missing gfid file on one of the bricks.
> I looked it up and yes the file is missing on the second brick.
>
> We got these messages the other way round, too (missing on client-0
> and the first brick).
>
> Is it possible to repair this one by copying the gfid file to the
> brick where it was missing? Or ist there another way to repair it?
>
>
> The second message is
>
> [2014-07-07 13:06:35.948738] W
> [client-rpc-fops.c:2469:client3_3_link_cbk]
> 0-gluster_dateisystem-client-1: remote operation failed: File exists
> (00000000-0000-0000-0000-000000000000 ->
> <gfid:aae47250-8f69-480c-ac75-2da2f4d21d7a>/lock)
>
> and I really do not know what to do with this one...
Did any of the bricks went offline and came back online?

Pranith
>
>
> I am really looking forward to your help because this is an active
> system and the system load on the nfs brick is about 25 (!!)
>
> Thanks in advance!
> Norman Maehler
>
>
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> =SMkr
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