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I've got 2 500GB WD external hard drives and its a mac mini so I have no PCI slots for any cards.
I think I'll store all my files on one and have time machine make hourly backups like it does now but to back up the other hard drive as well. So I'll have my mac HD and External HD 1 backed up on External HD 2. Okay hourly backups arnt as good as instant but I suppose RAID over usb with be a drain on the CPU anyway.
Is there any way to install an OS on an external HD?
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