On Tue, Apr 1, 2014 at 6:31 PM, Tom <tom at t0mb.net> wrote: > Hi, > > I'm seeing this error trying to map an rbd. > > root at fh-ceph01-export01:~# rbd map > hosting_linux_sharedweb/linux_ded_backup_01 --id=ff-ceph01-export > rbd: add failed: (34) Numerical result out of range > > Is perhaps the string I'm writing too large for /sys/bus/rbd/add? Output > from strace: > > open("/sys/bus/rbd/add", O_WRONLY) = 3 > write(3, "10.66.104.64:6789,10.66.104.65:6789,10.66.104.66:6789 > name=ff-ceph01-export,key=client.ff-ceph01-export hosting_linux_sharedweb > linux_ded_backup_01", 147) = -1 ERANGE (Numerical result out of range) Hi Tom, Can you give us your kernel version and ceph version? Also, what's the output of rbd showmapped | wc -l ? Thanks, Ilya