On Fri, Apr 25, 2025 at 1:02 PM Dominique Ramaekers <dominique.ramaekers@xxxxxxxxxx> wrote: > > Hi Ilya, > > Thanks for the tip! Altough it seems less 'good practice' and I'm worried about stability because ceph gives this output: > rbd: mapping succeeded but /dev/rbd0 is not accessible, is host /dev mounted? > In some cases useful info is found in syslog - try "dmesg | tail". > rbd: map failed: (22) Invalid argument