# svcadm disable ntp
# fssnap -o bs=/home/sickness/backup /  # /home/sickness/backup must reside on another fs!
/dev/fssnap/0
# ufsdump 0fu /home/sickness/backup/vintage-snv48-root-c0d0s3.ufsdump /dev/rfssnap/0
# fssnap -d /
# rm /home/sickness/backup/snapshot0
# svcadm enable ntp
# ufsrestore tf /home/sickness/backup/vintage-snv48-root-c0d0s3.ufsdump