[Gluster-users] 3.7.16 with sharding corrupts VMDK files when adding and removing bricks

Krutika Dhananjay kdhananj at redhat.com
Mon Nov 14 10:59:49 UTC 2016

Which data corruption issue is this? Could you point me to the bug report
on bugzilla?


On Sat, Nov 12, 2016 at 4:28 PM, Gandalf Corvotempesta <
gandalf.corvotempesta at gmail.com> wrote:

> Il 12 nov 2016 10:21, "Kevin Lemonnier" <lemonnierk at ulrar.net> ha scritto:
> > We've had a lot of problems in the past, but at least for us 3.7.12 (and
> 3.7.15)
> > seems to be working pretty well as long as you don't add bricks. We
> started doing
> > multiple little clusters and abandonned the idea of one big cluster, had
> no
> > issues since :)
> >
> Well, adding bricks could be usefull...  :)
> Having to create multiple cluster is not a solution and is much more
> expansive.
> And if you corrupt data from a single cluster you still have issues
> I think would be better to add less features and focus more to stability.
> In a software defined storage, stability and consistency are the most
> important things
> I'm also subscribed to moosefs and lizardfs mailing list and I don't
> recall any single data corruption/data loss event
> In gluster,  after some days of testing I've found a huge data corruption
> issue that is still unfixed on bugzilla.
> If you change the shard size on a populated cluster,  you break all
> existing data.
> Try to do this on a cluster with working VMs and see what happens....
> a single cli command break everything and is still unfixed.
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