How large of a storage device would I need to back up my macbook pro that says I have used about 150G of my 232G hard drive?

How large of a storage device would I need to back up my macbook pro that says I have used about 150G of my 232G hard drive?

RJ Lange wrote:
So eventually you could end up using more data space in a back-up drive than the original drive, huh?
With TimeMachine, yes.
With a bootable clone, no. Provided you don't save the backup states changes which CCC is doing now.
I prefer a straight clone backup, I keep many copies of clones on seperate hardware to "go back in time" with and thus avoid saving the changes with my clones.
I swear I tried to back up my computer on a 250g G-Drive and it told me there was not enough room. But I am not positive if the entire drive was available or not. I may have had it sectioned into 150 & 100 sections and I might have tried to back it up on the 150 section. or I might be imagining that.... either way, it didn't work.
Your data is going to grow, 232GB is rather small for a boot drive.
So your going to be needing storage drives eventually, just plan ahead and remmeber hardware redundancy is key.

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