Hi, > With so few disks and the inability to do 10GbE, you may want to > consider doing something like 5-6 R410s or R415s and just using the > on-board controller with a couple of SATA disks and 1 SSD for the > journal. That should give you better aggregate performance since in > your case you can't use 10GbE. It will also spread your OSDs across > more hosts for better redundancy and may not cost that much more per GB > since you won't need to use the H700 card if you are using an SSD for > journals. It's not as dense as R515s or R720XDs can be when fully > loaded, but for small clusters with few disks I think it's a good > trade-off to get the added redundancy and avoid expander/controller > complications. I hadn't considered lowering the specification and increasing the number of hosts, that seems like a really viable option and not too much more expensive. When you say the on-board controller do you mean the onboard SATA or the H310 controller? Thanks, Barry -- The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336. _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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