Is this valid? Mac OSX, backup and recover!

[cluthz]

I have a Powerbook with multiple partiotions (hfs+, ext3)
I Have installed OSX on partition 1
and linux on part. 2
I want to partition the drive to one hfs+ partition (getting rid of linux).

I need to keep the data i have on the mac partition.

So can i :
1) use Disk Utility to backup my mac partition (which will NOT loose its ability to be bootable after recovery) to my sawtoothG4 over Firewire target disk?
2) And then boot the Powerbook from the Panther Installer CD,
3) and then Recover the (newly partitioned) HD from the disk image i have made (on the sawtooth)
4) Restart and boot from the recovered partition, and everything is like before i did the partition (except my linux is gone and i've reclaimed the disk space)

Is this valid? I don't want to loose any data!!!

Or can it be done easier?

 

[NusuniAdmin]

technically this can be done, but usually when i do a full reinstall i simply back up important things (random files in home folder and other files here and there) same them to a cd or to another comp, reinstall, and then drag those files back on.