On 27 May 2009, at 22:44, Kevin Day wrote: > tries to do a chflags on it, fails because ZFS doesn't support flags are the pools already upgraded to v13 ? if not please do so with zpool upgrade -a Then in single user mode do zfs list -H | awk '{print $1}' | xargs -n 1 zfs set version=3 flags should work now Regards, Ruben