Based on your message, it sounds like your total usable capacity requirement is around <1TB. With a modern SSD, you'll get something like 40k theoretical IOPs for 4k I/O size.
You don't mention budget. What is your budget? You mention "4MB operations", where is that requirement coming from? On Wed, Apr 4, 2018 at 12:41 PM, Vincent Royer <[email protected]> wrote: > Hi, > > Trying to make the most of a limited budget. I need fast I/O for > operations under 4MB, and high availability of VMs in an Ovirt cluster. > > I Have 3 nodes running Ovirt and want to rebuild them with hardware for > converging storage. > > Should I use 2 960GB SSDs in RAID1 in each node, replica 3? > > Or can I get away with 1 larger SSD per node, JBOD, replica 3? > > Is a flash-backed Raid required for JBOD, and should it be 1gb, 2, or 4gb > flash? > > Storage network will be 10gbe. > > Enterprise SSDs and Flash-backed raid is very expensive, so I want to > ensure the investment will provide best value in terms of capacity, > performance, and availability. > > Thanks, > > Vincent > > _______________________________________________ > Gluster-users mailing list > [email protected] > http://lists.gluster.org/mailman/listinfo/gluster-users >
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