- #Mac os disk utility man page how to
- #Mac os disk utility man page install
- #Mac os disk utility man page mac
It fails when trying to do something with read-only system volume: Replication functionality which is enabled by default is quite recent and itĭoes not play well with APFS Volume Groups. The -useInverter is the tricky option here. Volume replication failed - Read-only file system > sudo asr restore -source /dev/disk10 -target /dev/disk1 To execute restore I had to use asr command from command-line: The synthetised target container hadĢ: Apple_APFS Container disk1 1000.0 GB disk0s2Ġ: APFS Container Scheme - +1000.0 GB disk1Ġ: APFS Container Scheme - +499.2 GB disk10ġ: APFS Volume MinimeOS - Data 311.1 GB disk10s1ģ: APFS Volume Recovery 528.5 MB disk10s3 As a target I createdĪn empty APFS container in disk0 with single empty APFS volume via Disk Utility.app. My DMG file mounted as disk9 which created synthetised disk10. finally, use this synthetised disk as source for your asr restore operation.second, figure out which /dev/diskN corresponds to the synthetised disk created in step 1.
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.
#Mac os disk utility man page 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
#Mac os disk utility man page 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).
#Mac os disk utility man page mac
I upgraded my late 2014 Mac Mini withĪ shiny new 1TB SSD. Today I wanted to move existing APFS-resident macOS Catalina installation to a new disk.