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

[Pascal]

Am Thu, 29 Mar 2012 11:02:38 -0400
schrieb David Coulson <david at davidcoulson.net>:

Sorry for confusion, I understood you wrong in the first place. Now I
guess I know what you mean and I will think about it. 

Are there more suggestions or official plans from the GlusterFS
developers? 

> 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<david at davidcoulson.net>:
> >
> > 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
> >>>
> >>>
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> >
> >
> >
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