Run the following to add the mounted volume to Time Machine as your destination: Run diskutil info -all and locate your mounted volume, noting the /Volumes/ location. To make note, any future use of the string TimeMachine in the terminal commands will be replaced by whatever you title the volume name when you make the DMG. Start by following Truls Zhong Konstali's directions and create a DMG (HFS+/GUID) that is large enough to hold your local drive and give it a volume name like TimeMachine and know that once mounted your volume can be located as /Volumes/TimeMachine or replace TimeMachine with whatever you name your volume. It can be done in High Sierra, but was unable to do so without using terminal since TimeMachine doesn't seem to recognize the DMG image, even when mounted, as a destination to backup to. When done: Open migrate assistant, your backup program or boot from it and continue Note, the external hard drive will be erased Note, do not drag the top part, but one of the partitions underneath Note, do not drag the image, but the disk underneathĭestination: Drag an external hard drive to the box

Note, do not click the image, but the disk underneath If you need to boot from the drive or the restore process above do not workĬlick the image’s disk to the box to the left

Select the drive there you choose witch drive to use with time machine or your backup program Wait until it is fully uploaded to the cloud, this may take a wile, you have to upload the size of the imageĬheck on your cloud service’s website to see that it is there Image format: Choose read/write disk image Size: Click the dropdown and select custom, choose a size, Note that your cloud service need to be able to hold itįormat: Choose Mac OS Extended (Journaled)Įncryption: If you want to lock it that you need a password to open it choose 128 or 256 bit encryption higher bit more secure, but slower You first need to create a disk image in disk utility, first open disk utility, then click new image, fill in the detailsĬhoose your cloud service as saving location ex dropbox, jottacloud

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