Steam restore taking forever

[SiD the Turtle]

So I backed up Steam before rebuilding my PC and have tried to restore it. The backup is about 150Gb and I set it off at 8am this morning. Over 12 hours later and the progress bar has only made it half way across the screen.

Is this normal?

 

[SiD the Turtle]

Hindsight is a wonderful thing

Cheers guys, I suppose I'll just have to let it restore this time, but back it up the way you suggest in future. I think my ISP might disconnect me if I try and re-download it all!