I followed the announcement of Luminous and erasure coding when I configured my system. Could this be the reason why my pool overloads when I push to much data at it ? root@pve:/# ceph osd erasure-code-profile get ec-42-profile crush-device-class=hdd crush-failure-domain=osd crush-root=default jerasure-per-chunk-alignment=false k=4 m=2 plugin=jerasure technique=reed_sol_van w=8 Thanks Mike _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com