Instead, the assumption is that Macs from Apple come with a pre-installed OS and that OS should be used instead of wiping it and replacing it with a new copy from a disk image. Thin imaging is technically not an imaging practice, as no disk image is involved. Desired software and desired configuration settings are then installed onto the newly-imaged Mac as post-imaging deployment tasks. Once that disk image is created, the image is applied to multiple other Macs. Modular imaging is the practice of creating a disk image that contains only the base OS (as well as necessary OS updates from Apple). Once that disk image is created, the image is then applied to multiple other Macs to make them just like the original Mac. ![]() Monolithic imaging is the practice of building a Mac with the desired operating system, desired software, and desired configuration settings, then creating a disk image which includes all the contents of that Mac’s boot drive, including the operating system, installed software, and settings. ![]() Mac deployment practices have generally fallen into one of three categories: Mac disk images are applied to hard drives using the Apple Software Restore ( asr) command line utility to erase the destination drive and then block-copy the data from the disk image onto the destination drive. The coming of Apple File System (APFS) will mark the end of disk imaging on Macs.įor those not familiar with disk imaging, a disk image is a computer file containing the contents and structure of a disk volume. ![]() I don’t normally try to foretell the future but there is one change for Mac admins that I’m pretty sure will happen:
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