While not a feature of FreeNAS at least as of version 8.3 you can actually rename your ZFS datasets. The rename command is feature of ZFS and can be accomplished through the shell. First, use: zfs list [root@NAS-1] /mnt/RaidZ# zfs list NAME USED AVAIL REFER MOUNTPOINT RaidZ 306G 2.36T 53.3K /mnt/RaidZ RaidZ/Backups 8.19G 91.8G 8.19G …