> Hi Sinan, > > I would not recommend using 860 EVO or Crucial MX500 SSD's in a Ceph cluster, > as those are consumer grade solutions and not enterprise ones.
The OP knows that, but wants to know why. > Performance and durability will be issues. If feasible, I would simply go > NVMe as it sounds like you will be using this disk to store the journal or > db partition. IF there’s an avalable PCI slot. And then you have N OSDs dependent on a single device, so when it flakes you lose the whole node. One thing that consumer SSDs — and even some that pretend to be “enterprise” — experience is performance cliffing, they look okay with light workload, but at some threshold they saturate and plummet. _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
