> Op 3 februari 2017 om 8:39 schreef Christian Balzer <chibi@xxxxxxx>: > > > > Hello, > > On Fri, 3 Feb 2017 10:30:28 +0300 Irek Fasikhov wrote: > > > Hi, Maxime. > > > > Linux SMR is only starting with version 4.9 kernel. > > > What Irek said. > > Also, SMR in general is probably a bad match for Ceph. > Drives like that really want to be treated more like a tape than anything > else. > Yes, they are damn slow. > > In general, do you really need all this space, what's your use case? > > Unless it's something like a backup/archive cluster or pool with little to > none concurrent R/W access, you're likely to run out of IOPS (again) long > before filling these monsters up. > I fully agree. These large disks have very low IOps specs and will probably work very, very bad with Ceph. Wido > Christian > > > > С уважением, Фасихов Ирек Нургаязович > > Моб.: +79229045757 > > > > 2017-02-03 10:26 GMT+03:00 Maxime Guyot <Maxime.Guyot@xxxxxxxxx>: > > > > > Hi everyone, > > > > > > > > > > > > I’m wondering if anyone in the ML is running a cluster with archive type > > > HDDs, like the HGST Ultrastar Archive (10TB@7.2k RPM) or the Seagate > > > Enterprise Archive (8TB@5.9k RPM)? > > > > > > As far as I read they both fall in the enterprise class HDDs so **might** > > > be suitable for a low performance, low cost cluster? > > > > > > > > > > > > Cheers, > > > > > > Maxime > > > > > > _______________________________________________ > > > ceph-users mailing list > > > ceph-users@xxxxxxxxxxxxxx > > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > > > > > > > -- > Christian Balzer Network/Systems Engineer > chibi@xxxxxxx Global OnLine Japan/Rakuten Communications > http://www.gol.com/ > _______________________________________________ > 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
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