On Sunday, March 17, 2013 at 4:03 PM, Mark Nelson wrote: > On 03/17/2013 05:40 PM, Matthieu Patou wrote: > > Hello all, > > > > Our dev environment are quite I/O intensive but didn't require much > > space (~20G per dev environment), for the moment our dev machines are > > served by VMWare and the storage is done in NFS appliances with SAS or > > SATA drives. > > After some testing with consumer grade SSD we discovered that built > > speed could be greatly improved by using SSD but having SSD in NFS > > appliances is very costly. > > So I'm thinking of using consumer grade or even intel s3700 SSD and ceph > > as the backend storage. Is there any cons using SSD for data storage > > (apart from the price per GB that is higher than SAS drives) ? > > > > Were you thinking of using CephFS? If so, be aware that it's not really > recommended for production use yet. If you were thinking RBD, that's > fine, but you should be aware that you may need to do some tweaking and > have a lot of concurrency to get high IOPS. I'd highly recommend > testing out your use case on a small scale (maybe a 1 or 2 nodes with a > couple of SSDs before diving in head first. > There are users doing this who seem quite happy with it. Not sure how many or if they want their names on the list… -Greg Software Engineer #42 @ http://inktank.com | http://ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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