Thanks for your advice, add one osd on another host does the trick. But I didn't understand why 2 osd is enought ? I would have gess 3 or 5 since I have replicated size of 3 and 5, and ec with size of 5 _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx