Re: [Gluster-devel] Is it possible to setup a RAID 6 using GlusterFS?

[David Coulson]

Not following. If you have a replica count of 3, you can lose two boxes 
in that group and still have access to all your data. It's more like a 
3-way RAID-1 than anything like RAID-6.

On 3/29/12 11:00 AM, Pascal wrote:
> Am Thu, 29 Mar 2012 10:47:38 -0400
> schrieb David Coulson<address@hidden>:
>
> Hello David,
>
> thanks for your quick reply. I already considered a replica count of 3
> (and six servers at all, correct?), but the problem would still be that
> two hard drives from the same "replica group" were not allowed to fail
> at the same time.
>
> > Try doing a distributed-replica with a replica count of 3. Not really
> > 'RAID-6' comparable, but you can have two nodes fail without outage.
> >
> > http://download.gluster.com/pub/gluster/glusterfs/3.2/Documentation/AG/html/sect-Administration_Guide--Setting_Volumes-Distributed_Replicated.html
> >
> > On 3/29/12 10:39 AM, Pascal wrote:
> > > Hello everyone,
> > >
> > > I would like to know if it is possible to setup a GlusterFS
> > > installation which is comparable to a RAID 6? I did some research in
> > > the community and several mailing lists and all I could find were
> > > the similar request from 2009
> > > (http://gluster.org/pipermail/gluster-users/2009-May/002208.html,
> > > http://www.gluster.org/community/documentation/index.ph/Talk:GlusterFS_Roadmap_Suggestions).
> > >
> > > I would just like to have a scenario where two GlusterFS
> > > nodes/servers, respectively their hard drives, could fail at the
> > > same time.
> > >
> > > Thanks in advance!
> > > Pascal
> > >
> > >
> > > _______________________________________________
> > > Gluster-devel mailing list
> > > address@hidden
> > > https://lists.nongnu.org/mailman/listinfo/gluster-devel
>
>
>
> _______________________________________________
> Gluster-devel mailing list
> address@hidden
> https://lists.nongnu.org/mailman/listinfo/gluster-devel