[ovirt-devel] Gluster locking the DC

[Sandro Bonazzola]

Il 30/04/2015 20:17, Christopher Pereira ha scritto:
> Hi,
> 
> 1) FYI: https://bugzilla.redhat.com/show_bug.cgi?id=1217576
> I will need some help from a Gluster expert to debug this issue, since I don't know Gluster internals.

Adding Sahina

> On a replica-3 cluster with best practices, it's very frustrating to see the whole DC going down because of a FS lock.
> 
> 2) Should we at some point freeze gluster updates and stick to a stable version, or are we following new features required by oVirt?
> I feel Gluster very unstable yet, but maybe it's just me.
> I guess that if a "stat" operation (mount, lsof, etc) of a gluster volume is locking, it's the layer below sanlock, right?
> I don't think that sanlock should be able to lock Gluster, does it?
> 
> 3) My feature request:
> Sanlock+Gluster unit-tests written by the sanlock authors to stress and exploit all Gluster weaknesses.
> 
> PS: The good news is that [1] and other related issues were finally fixed.
> 
> [1] https://bugzilla.redhat.com/show_bug.cgi?id=1201355
> 
> Best regards,
> Christopher.
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-- 
Sandro Bonazzola
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