Hi Alexandre,
OK, so I need to change ceph.conf on the compute nodes? Do the VMs
using RBD images need to be restarted at all? Anything changed in the
virsh XML for the nodes?
Best regards
*Graeme*
On 06/02/14 10:50, Alexandre DERUMIER wrote:
The documentation states that setting "rbd cache = true" in [global] enables
it, but doesn't elaborate on whether you need to restart any Ceph processe
It's on the client side ! (so no need to restart ceph daemons)
----- Mail original -----
De: "Graeme Lambert" <glamb...@adepteo.net>
À: ceph-users@lists.ceph.com
Envoyé: Jeudi 6 Février 2014 11:43:56
Objet: [ceph-users] RBD Caching - How to enable?
Hi,
I've got a few VMs in Ceph RBD that are running very slowly - presumably down
to a backfill after increasing the pg_num of a big pool.
Would RBD caching resolve that issue? If so, how do I enable it? The documentation states
that setting "rbd cache = true" in [global] enables it, but doesn't elaborate
on whether you need to restart any Ceph processes. Is that literally all that is needed
or is there more to it than that?
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