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1. #MIGRATE MAC TO SSD DISK UTILITY HOW TO#
2. #MIGRATE MAC TO SSD DISK UTILITY INSTALL#

first, mount your DMG file => it creates a synthetised disk.One might expect that specifying a DMG image file as source and some existing empty APFS container as target should do the Source could be a DMG image file path or some existing disk in the form of Scenarios related to previous filesystems.

#MIGRATE MAC TO SSD DISK UTILITY HOW TO#

asr supports different ways how to specify source and target to cover When restoring you specify source and target. You can man asr to read the docs, especially the sections Clone (restore) the source containerĭisk Utility.app seems to be using asr command under the hood.

Space on the main drive and a macOS installer at hand. This is quite easily doable just by clicking in Disk Utility.app if you have enough

#MIGRATE MAC TO SSD DISK UTILITY INSTALL#

I would recommend using a recent macOS system installed on an external drive and boot from there.Īlternatively, you can downsize the existing APFS container, create a new APFS container on your main disk and install a Oh, what to do if I don't have a secondary system? RecoveryOS resides in one of APFS Volumes in the container you want to image so this is not possible, I think (not tested). Better finish reading the article first.Ĭan I boot into RecoveryOS to do this DMG image? Before making image you might consider deleting all existing snapshots in all APFS Volumes in theĬontainer. You should see an available option to "Image from container diskN". It should have a name like "container diskN" and none of its volumes should be currently mounted. And then right-click the whole APFS container containing your Left sidebar of Disk Utility.app switch to "Show All Devices". You must be booted into some other system than your main system. This can be done comfortably from Disk Utility.app.

Source DMG must not contain any APFS Volume with APFS snapshots. Play well with current Disk Utility.app, so you have to drop to command-line and force using legacy method of restoring the " APFS Volume Groups", a new feature introduced in Catalina does not Source of restore operation must be a synthetised disk mounted from the DMG. There are major tricks how to make it work, the second one quite recent and third one is its consequence: Trick 1 This information is relevant for Catalina (I'm currently running macOS 10.15.1). it is possible to restore this DMG image into empty APFS container and get a bootable copy of the original system.Needed for complete restore (the DMG contains OS, OS Data, Preboot, Recovery and VM volumes)