3 nodes, each with 2x1TB in a raid (for /) and 6x4TB for storage. all of this will be used for block devices for kvm instances. typical office stuff. databases, file servers, internal web servers, a couple dozen thin clients. not using the object store or cephfs. i was thinking about putting the journals on the root disk (this is how my virtual cluster works, because in that version the osds are 4G instead of 4TB), and keeping that on its current raid 1, for resiliency but im worried about making a performance bottleneck. tempted to swap these out with ssds. if so, how big should i get? is 1/2TB enough? the other thought was little partitions on each osd. were doing xfs because i dont know enough about brtfs to feel comfortable with that. would the performance degredation be worse? is there a better way? _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
 |