How often do you back up your HD, and how?

[klx300r]

lately it's full backups to another HD on both my OS4.x and various OS3.x systems...for my beloved Amiga 1000 I still have my QuarterBack floppies which have been backed up to ADF's in case the floppies go bad one day
@ AndyFC
I'd recommend using an SSD or DOM card in your 1200 instead of any CF card as their cheap nowadays and the DOM's especially fit so nice and sweet into the 1200 IDE slot 

[klx300r]

I'd recommend using an SSD or DOM card in your 1200 instead of any CF card as their cheap nowadays and the DOM's especially fit so nice and sweet into the 1200 IDE slot 

I never thought of that....  just pop a DOM on the IDE port! I have a few of those laying around. 

I absolutely love them and replaced CF cards in both my 1200 and 4000 in the past year as I've had too many CF cards or controllers go flaky on me over time