[Ceph-community] ceph replication and striping

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On Tue, Aug 26, 2014 at 5:07 AM, <m.channappa.negalur at accenture.com> wrote:

>  Hello all,
>
>
>
> I have configured a ceph storage cluster.
>
>
>
> 1. I created the volume .I would like to know that  replication of data
> will happen automatically in ceph ?
>
> 2. how to configure striped volume using ceph ?
>
>
>
>
>
> Regards,
>
> Malleshi CN
>
>
If I understand your position and questions correctly... the replication
level is configured per-pool, so whatever your "size" parameter is set to
for the pool you created the volume in will dictate how many copies are
stored. (Default is 3, IIRC.)

RADOS block device volumes are always striped across 4 MiB objects. I don't
believe that is configurable (at least not yet.)


FYI, this list is intended for discussion of Ceph community concerns. These
kinds of questions are better handled on the ceph-users list, and I've
forwarded your message accordingly.

-Aaron
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