ufsdump incremental snapshot (5)

1) fssnap -F ufs -o bs=/var/tmp,unlink /export/home
2) ufsdump 0ufN /dev/rmt/0 /dev/rdsk/c0t0d0s7 /dev/rfssnap/0
* 0 dumps all; N updates /etc/dumpdates with c0t0d0s7 and not rfssnap
3) fssnap -d /export/home
4) recreate snapshot
5) ufsdump 1ufN /dev/rmt/0 /dev/rdsk/c0t0d0s7 /dev/rfssnap/0
* 1 dumps increment against the device specified after N flag