I started to use Xenial... does everyone have this error ? : W: http://ceph.com/debian-hammer/dists/xenial/InRelease: Signature by key 08B73419AC32B4E966C1A330E84AC2C0460F3994 uses weak digest algorithm (SHA1) Saverio _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com