[Gluster-users] determine filename from shard?

[WK]

6.5 on Ubuntu 18


On 10/13/2019 10:14 PM, Amar Tumballi wrote:
> Which is the version of GlusterFS you are using?
>
> There are few methods like 'gfid2path' option to fetch details of the 
> file path from a gfid in versions above v6.0
>
>
>
>
> On Mon, Oct 14, 2019 at 8:14 AM wkmail <wkmail at bneit.com 
> <mailto:wkmail at bneit.com>> wrote:
>
>     We recently were trying to track down a high load situation on a KVM
>     node in a cluster running gluster (replication2 + arb).
>
>     Iotop on the affected node showed that gluster was involved showing
>     abnormally heavy writes. There wasn't any obvious activity on the
>     network coming into the VMs, so it was something internal to one of
>     them, so we had to keep looking
>
>     We then used gluster volume top which showed that a couple of shards
>     were being pounded but we didn't see a way to immediately associate
>     those shards with their VM file.
>
>     We eventually figured out the problem VM using other methods and
>     resolved the issue, but we would still like to know if there is a
>     script
>     or recipe to determine what file a shard may belong to as that would
>     have sped up the resolution.
>
>     -wk
>
>
>
>
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