%gmirror status
      Name    Status  Components
mirror/gm0  COMPLETE  ad0
                      ad2
%mount
/dev/mirror/gm0s1a on / (ufs, local, noatime)
devfs on /dev (devfs, local)
%cat /etc/fstab
# Device                Mountpoint      FStype  Options         Dump    Pass#
#/dev/ad0s1a            /               ufs     rw,noatime      1       1
/dev/mirror/gm0s1a      /               ufs     rw,noatime      1       1
/dev/acd0               /cdrom          cd9660  ro,noauto       0       0