Have had some good experiences with ST10000NM0156-2AA111 Also running with EC but using RBD for slow storage for VM's, have had good performance for what id expect for 10TB drive's and EC.
I would definitely say getting helium drives helps VS standard air filled when you get to the 8TB+ drives. On Wed, Jan 16, 2019 at 5:34 PM Götz Reinicke < goetz.reini...@filmakademie.de> wrote: > Dear Ceph users, > > I’d like to get some feedback for the following thought: > > Currently I run some 24*4TB bluestore OSD nodes. The main focus is on > storage space over IOPS. > > We use erasure code and cephfs, and things look good right now. > > The „but“ is, I do need more disk space and don’t have so much more rack > space available, so I was thinking of adding some 8TB or even 12TB OSDs > and/or exchange over time 4TB OSDs with bigger disks. > > My question is: How are your experiences with the current >=8TB SATA disks > are some very bad models out there which I should avoid? > > The current OSD nodes are connected by 4*10Gb bonds, so for > replication/recovery speed is a 24 Chassis with bigger disks useful, or > should I go with smaller chassis? Or dose the chassi sice does not matter > at all that much in my setup. > > I know, EC is quit computing intense, so may be bigger disks hav also > there an impact? > > Lot’s of questions, may be you can help answering some. > > Best regards and Thanks a lot for feedback . Götz > > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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