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sparse images, sparse bundle images, and encryption
Last weekend, I lost a hard drive that contained two things:
In recovering from this, I've done some reading about sparse images and sparse bundle images that I should have done much earlier, prompting some questions about how they're handled by SuperDuper: If a sparse bundle image is encrypted, does the encryption make it impossible for SuperDuper to back it up incrementally and restore it incrementally; i.e., do the 8 MB "stripes" get hidden or changed by the encryption in such a way that the sparse bundle loses its value as opposed to a simpler sparse image? Just where is the password for a sparse image or encrypted sparse bundle image stored? In my keychain? In the image itself? I'm wondering what happens if I need to restore an encrypted sparse image to a new destination. Lastly, does the password protection prevent or hinder SuperDuper backing up a sparse bundle image? Thanks so much, Jim Robertson |
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