Can you boot from a disk image on a Firewire drive
I know that a suitably "blessed" external Firewire drive can be used by a Mac to boot with a key-press during bootup.
However, can a blassed disk image kept on an external firewire drive, such as those created by SuperDuper also be used to boot from? For extra credit, can the disk image be encrypted/password protected? I ask because I finally have access to an external hard drive several times the capacity of my Macs, and would like to implement a rotating snapshot backup system. Many thanks in advance. |
No, you cannot boot directly from an image. You can, however, create a sparse image that's encrypted and then choose it as the destination of a backup.
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Also, if you're backing up to a [encrpyted] disk image, is there any reason why you would tick the option in SuperDuper to make the disk bootable?
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There is no option to make the disk bootable: we always make the image bootable if possible. Note that "bootable" doesn't mean "it'll boot"!
But -- once restored to a device that supports boot, it'll boot... |
That's certainly what I'd suggest (partitioning).
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Thanks! That answers both my questions, and incredibly quickly! One purchase, coming your way.
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Glad I could help.
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