>>what to you mean by "not playing well with D_SYNC"? Hi, check this blog: http://www.sebastien-han.fr/blog/2014/10/10/ceph-how-to-test-if-your-ssd-is-suitable-as-a-journal-device/ ----- Mail original ----- De: "Mikaël Cluseau" <mcluseau@xxxxxx> À: "Bryson McCutcheon" <brysonmccutcheon@xxxxxxxxx>, "ceph-users" <ceph-users@xxxxxxxxxxxxxx> Envoyé: Jeudi 18 Décembre 2014 03:16:07 Objet: Re: Help with SSDs On 12/17/2014 02:58 AM, Bryson McCutcheon wrote: > Is there a good work around if our SSDs are not handling D_SYNC very > well? We invested a ton of money into Samsung 840 EVOS and they are > not playing well with D_SYNC. Would really appreciate the help! Just in case it's linked with the recent performance issue: are they upgraded/refreshed with the latest firmware? (http://www.samsung.com/au/consumer/pc-peripherals/solid-state-drive/ssd-840-evo/MZ-7TE1T0BW) I have EVOs too, what to you mean by "not playing well with D_SYNC"? Is there something I can test on my side to compare results with you, as I have mine flashed? _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com