Disk backup

From: Troy Kinsella (troy_at_notanemailaddress.com)
Date: 08/05/03 

Date: Mon, 04 Aug 2003 22:59:05 GMT

Hi, I was wondering if someone could give me some feedback on the
following method I used to back up my hard disk on a laptop.

I did this on the destination computer:

# nc -l -p 1010 > /home/blah/laptop.img

I did this command on my source computer (laptop):

# dd if=/dev/hda | bzip2 | nc <dest ip> 1010

This method effectively compressed my 5 gig hard drive into 1.5 gigs on
the destination computer.

So my question is: is this a logical way of backing up my hard drive?
Are there anythings I should know about stability using this method? And
  would it be as simple as reversing these commands to restore the drive?

I.e.

Laptop:

# dd < nv -l -p 1010 > /dev/hda

Archive comp:

# nc <laptop ip> 1010 < /home/blah/laptop.img

Is there an easier or more reliable way to do this?

Thanks!

Troy

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