An Unencrypted Look at FileVault
Subject:   Auto-expanding disk image?
Date:   2003-12-26 04:34:14
From:   anonymous2
Response to: Auto-expanding disk image?

Regardless of how big you define them, sparse disk images only occupy as much room as is used. I just created a 10GB secure image to play with, and after formatting the image occupies 34MB initially.

The reason you still have to specify an image size is that the structure of a disk's file system is dependant on the disk's size. Hence the image you make isn't actually "growing", rather the contents of the unused space is not saved on the host drive.

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  1. Auto-expanding disk image?
    2005-03-01 16:44:55  afunsten [View]

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