Re: [ceph-users] RBD journal pool

2016-10-12 Thread Jason Dillaman
On Wed, Oct 12, 2016 at 2:45 AM, Frédéric Nass wrote: > Can we use rbd journaling without using rbd mirroring in Jewel ? Yes, you can use journaling without using rbd-mirroring, but ... >So that we > can set rbd journals on SSD pools and improve write IOPS on

Re: [ceph-users] RBD journal pool

2016-10-12 Thread Frédéric Nass
I would have tried it but our cluster is still running RHCS 1.3. :-) Frederic. Le 12/10/2016 à 08:45, Frédéric Nass a écrit : Hello, Can we use rbd journaling without using rbd mirroring in Jewel ? So that we can set rbd journals on SSD pools and improve write IOPS on standard (no mirrored)

[ceph-users] RBD journal pool

2016-10-12 Thread Frédéric Nass
Hello, Can we use rbd journaling without using rbd mirroring in Jewel ? So that we can set rbd journals on SSD pools and improve write IOPS on standard (no mirrored) RBD images. Assuming IOs are acknowleged when written to the journal pool. Everything I read regarding RBD journaling is