Hi there,
Just ran across a possible bug/confusion with zfs file system names. According to my reading of http://docs.oracle.com/cd/E19253-01/819-5461/gbcpt/index.html only alphanumeric characters plus "_-:." are permitted in filesystem names. But I can create a zfs filesystem with a space in it.
I'm sure there's a philosophical discussion to be had to determine if space is alphanumeric or not (I lean towards not), but in any case, the following command :
zfs create "testfs/firstname last name"
will work, but will possibly break a whole lot of reporting tools that don't expect spaces.
OTOH, the behavior is the same with zfs pool version 31 under Solaris so it's not unique to the zevo implementation.