[ovirt-users] Re: [Gluster-users] VMs paused - unknown storage error - Stale file handle - distribute 2 - replica 3 volume with sharding

[olaf . buitelaar]

Hi Marco,

It looks like I'm suffering form the same issue, see; 
https://lists.gluster.org/pipermail/gluster-users/2019-January/035602.html
I've included a simple github gist there, which you can run on the machines 
with the stale shards. 
However i haven't tested the full purge, it works well on individual 
files/shards.

Best Olaf
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[ovirt-users] Re: [Gluster-users] VMs paused - unknown storage error - Stale file handle - distribute 2 - replica 3 volume with sharding

[Marco Lorenzo Crociani]

Hi,
is there a way to recover file from "Stale file handle" errors?

Here some of the tests we have done:

- compared the extended attributes of all of the three replicas of the 
involved shard. Found identical attributes.


- compared SHA512 message digest of all of the three replicas of the 
involved shard. Found identical digests.


- tried to delete the shard from a replica set, one at a time, along 
with its hard link. Shard is always rebuilt correctly but error from 
client persists.


Regards,

--
Marco Crociani

Il 22/11/18 13:19, Marco Lorenzo Crociani ha scritto:

Hi,
I opened a bug on gluster because I have reading errors on files on a 
gluster volume:

https://bugzilla.redhat.com/show_bug.cgi?id=1652548

The files are many of the VMs images of the oVirt DATA storage domain. 
oVirt pause the vms because unknown storage errors.
It's impossibile to copy/clone, manage some snapshots of these vms. The 
errors on the low level are "stale file handle".

Volume is distribute 2 replicate 3 with sharding.

Should I open a bug also on oVirt?

Gluster 3.12.15-1.el7
oVirt 4.2.6.4-1.el7

Regards,



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