Hi Eugen et al. , Seems to be a problem only on that node I had to increase the memory to 7GB,after that the deamon could start. The other two mons are working as usual with 3.5GB and witout no trouble. Thanks a lot for your advices, now cluster is up and running under nautilus version. Regrads, I _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx