Backup Solution. USB raid 1?

26 Mar 2004
I have to do backups for loads of computers of varying types all the time.

Currently just have an external 1tb drive i copy to.
But i had a bit of a scare when it started to corrupt and i thought i'd lost all the data.

So whats a safer solution to back up data.
I do need it to be usb so i can just plug it in to a laptop or pc to backup.
esata would be useful too.
The data is usually only stored temporarily as i copy it back to the PC's after they've been cleaned out.

I was looking at a raid 1 external hdd but i've heard there's higher chance of corruption when copying the data over to 2 drives than if it was to a single drive.

Any advice would be welcome.
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