Hi Jason, What is the worst case if I made cache pool from local ASDa owner by all compute nodes? Is using block cache inside VM has compatibility issue with live migration?
Best regards, On Nov 9, 2015 9:04 PM, "Jason Dillaman" <dilla...@redhat.com> wrote: > This is currently not a possibility, but there is active research into > providing improved/persistent client-side caching for RBD use-cases. In > the meantime as an alternative, you can expose a portion of your SSD to > each VM that needs higher IOPS and apply dm-cache / bcache on the RBD and > SSD volume internal to the VM. > > -- > > Jason Dillaman > > > ----- Original Message ----- > > > From: "Lazuardi Nasution" <mrxlazuar...@gmail.com> > > To: ceph-users@lists.ceph.com > > Sent: Sunday, November 8, 2015 12:34:16 PM > > Subject: [ceph-users] Multiple Cache Pool with Single Storage Pool > > > Hi, > > > I'm new with CEPH cache tiering. Is it possible to have multiple cache > pool > > with single storage pool backend? For example I have some compute nodes > with > > its own local SSDs. I want each compute node has its own cache by using > its > > own local SSDs. The target is to minimize load to storage pool backend. > > > If yes, what will be used for RBD client pool name, cache pool name or > > storage pool name? How to make sure that RBD client will only use cache > pool > > constructed with its own local SSDs, not other nodes local SSDs? > > > Frankly, I'm looking for RBD client cache on SSDs, but it seem has not > > available yet. > > > Best regards, > > > _______________________________________________ > > ceph-users mailing list > > ceph-users@lists.ceph.com > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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