On Fri, 19 Sep 2014, Nick Fisk wrote:
>
>
> Hi,
>
> I'm just wondering if its possible (or planned to be implemented) a way of
> configuring more than 2 levels of Tiering?
>
> I'm thinking SSD Pool->Normal Replica Pool->EC Pool
Eventually, yes, but right now only 2 levels are supported.
There is a blueprint, see
http://wiki.ceph.com/Planning/Blueprints/Emperor/osd%3A_tiering%3A_object_redirects
sage
>
> We are looking at building a cluster to hold backups of VM's. As the retention
> copies are effectively static data after they have been written, it would be
> very handy to push them down to a EC pool. This would increase capacity
> efficiency for long term storage and operations on "newer" data would still be
> sitting on a more appropriately sized SSD/Replica pool for this more active
> data.
>
> Nick
>
>
>
>
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