On Tue, Dec 03, 2013 at 12:38:54PM +0000, James Pearce wrote: > Since the journal partitions are generally small, it shouldn't need > to be. > here with 2 journals (2 osds) on two ssd (samsung 850 pro, soft raid1 + lvm + xfs) trim is just obligatory. We forget to set it at cluster setup and one week later, after migrating a lot of VM, the performances dropped to something like 10MB/s. Running fstrim on it gave back normal performances. -- Easter-eggs Spécialiste GNU/Linux 44-46 rue de l'Ouest - 75014 Paris - France - Métro Gaité Phone: +33 (0) 1 43 35 00 37 - Fax: +33 (0) 1 43 35 00 76 mailto:elacour@xxxxxxxxxxxxxxx - http://www.easter-eggs.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com