Hi Giuseppe,
There is also this article from Sébastien Han that you might find useful: http://www.sebastien-han.fr/blog/2014/08/25/ceph-mix-sata-and-ssd-within-the-same-box/
Best regards,
Vincenzo.
2015-04-14 10:34 GMT+02:00 Saverio Proto <zioproto@xxxxxxxxx>:
Yes you can.
You have to write your own crushmap.
At the end of the crushmap you have rulesets
Write a ruleset that selects only the OSDs you want. Then you have to
assign the pool to that ruleset.
I have seen examples online, people what wanted some pools only on SSD
disks and other pools only on SAS disks. That should be not too far
from what you want to achieve.
ciao,
Saverio
2015-04-13 18:26 GMT+02:00 Giuseppe Civitella <giuseppe.civitella@xxxxxxxxx>:
> Hi all,
>
> I've got a Ceph cluster which serves volumes to a Cinder installation. It
> runs Emperor.
> I'd like to be able to replace some of the disks with OPAL disks and create
> a new pool which uses exclusively the latter kind of disk. I'd like to have
> a "traditional" pool and a "secure" one coexisting on the same ceph host.
> I'd then use Cinder multi backend feature to serve them.
> My question is: how is it possible to realize such a setup? How can I bind a
> pool to certain OSDs?
>
> Thanks
> Giuseppe
>
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