remove-brick question

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Hi James,

Could you please check rebalance logs from the node where failures are 
happening.
path: /var/log/glusterfs/<volname>-rebalance.log

Also please check the dht layout xattrs from all the bricks to make sure 
that
layout is not zeroed out for the wrong brick.
https://bugzilla.redhat.com/show_bug.cgi?id=963896


Thanks,
Shylesh

james.bellinger at icecube.wisc.edu wrote:
> I inherited a system with a wide mix of array sizes (no replication) in
> 3.2.2, and wanted to drain data from a failing array.
>
> I upgraded to 3.3.2, and began a
> gluster volume remove-brick scratch "gfs-node01:/sda" start
>
> After some time I got this:
> gluster volume remove-brick scratch "gfs-node01:/sda" status
> Node Rebalanced-files          size       scanned      failures
> status
>   ---------      -----------   -----------   -----------   -----------
> ------------
> localhost                0        0Bytes             0             0
> not started
> gfs-node06                0        0Bytes             0             0
> not started
> gfs-node03                0        0Bytes             0             0
> not started
> gfs-node05                0        0Bytes             0             0
> not started
> gfs-node01       2257394624         2.8TB       5161640        208878
> completed
>
> Two things jump instantly to mind:
> 1) The number of failures is rather large
> 2) A _different_ disk seems to have been _partially_ drained.
> /dev/sda              2.8T  2.7T   12G 100% /sda
> /dev/sdb              2.8T  769G  2.0T  28% /sdb
> /dev/sdc              2.8T  2.1T  698G  75% /sdc
> /dev/sdd              2.8T  2.2T  589G  79% /sdd
>
>
>
> When I mount the system it is read-only (another problem I want to fix
> ASAP) so I'm pretty sure the failures aren't due to users changing the
> system underneath me.
>
> Thanks for any pointers.
>
> James Bellinger
>
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> Gluster-users at gluster.org
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