Hi, > Well, these don't point at rbd at all. Are you seeing *any* progress > when this happens? Could it be that things just get very slow and > don't actually hang? > > Can you try watching sysfs osdc file for a while to see if requests are > going through or not? (/sys/kernel/debug/ceph/<fsid>.<id>/osdc) at least for 10 minutes nothing happened here. Micha Krause