> >> And there is not good answer, it depends on your needs and use case. >> For example if your main goal is space and not performance, fewer but >> larger HDDs will be a better fit. > >In my deployment, I have slow requests when starting OSD with 2.5+ TB used on >it. >Due to slowdowns on start, I have to start osds manual, one by one, to not >overload host, but 2.5 TB+ loaded osds causes slow requests anyway :( > >THis is true for 6 TB HGST HDN726060ALE610 HDD connected to SATA2 iface, ubuntu >14.04, 4.2.0-34, ceph hammer 0.94.6 from Ubuntu cloud team. > We saw the same, but after upgrading to infernalis the problem went away for us. _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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