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SuperDuper caution
Authored by: jpalten on Nov 26, '08 04:09:35AM
I use the above method to create a sparseimage for my parallels virtual machine on the Mac. When I use SuperDuper to make a (readonly) disk image of my harddisk as backup, it copies both the sparseimage and the contents of the mounted image. This results in a backup that is bigger than the original disk, and cannot be restored. My advice here: you can use SuperDuper, but either:
  • make sure you unmount the sparseimage before making a disk image as backup, or
  • exclude the contents of the mounted image from the backup, or
  • at least check the size of the resulting backup and remove the duplicated content of the sparseimage after the backup if the size is a problem (not the sparseimage itself).
  • I assume the same problem could occur with time machine, if you forget to exclude the mountpoint.

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