Hello, On Fri, 4 Sep 2015 22:37:06 +0000 Межов Игорь Александрович wrote:
> Hi! > > > Have worked with Intel DC S3700 200Gb. Due to budget restrictions, one > > ssd hosts a system volume and 1:12 OSD journals. 6 nodes, 120Tb raw > space. > Meaning you're limited to 360MB/s writes per node at best. But yes, I do understand budget constraints. ^o^ > Cluster serves as RBD storage for ~100VM. > > > Not a single failure per year - all devices are healthy. > > The remainig resource (by smart) is ~92%. > I use 1:2 or 1:3 journals and haven't made any dent into my 200GB S3700 yet. > > Now we're try to use DC S3710 for journals. As I wrote a few days ago, unless you go for the 400GB version the the 200GB S3710 is actually slower (for journal purposes) than the 3700, as sequential write speed is the key factor here. Christian -- Christian Balzer Network/Systems Engineer ch...@gol.com Global OnLine Japan/Fusion Communications http://www.gol.com/ _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
