![]() Use the exact byte size from step2 as the size of the new volume. Use diskutil cs list in the terminal to get the exact byte size of the Logical Volume on the old drive, and the GUID of the new Logical Volume, as well as the disk numbers for both, e.g., disk4.Erase the new disk with Disk Utility, matching the format of the source drive: MacOS Extended (Journaled, Encrypted).Trying to do a restore in Disk Utility errored out with “unable to validate source” or “Operation not permitted.” Trying some other suggestions in this post and others, I was able to get exciting new error messages like “Catalog file on image/volume is too badly fragmented,” but no copy. Migrating a full 3TB Time Machine encrypted drive to a new 8TB one on macOS 10.14, I ran into all sorts of issues. With "Erase Destination" UNchecked : The restore never starts and I get:Ĭould not restore - Operation not permitted.Back up as many of your files as possible, reformat the disk, and restore your backed-up files.ĭon't know if I'm even suppose to verify/repair a TM disk. Updating boot support partitions for the volume as required.Įrror: Disk Utility can’t repair this disk. ![]() I then tried to verify/repair the disk and got: But in Disk Utility, it shows a 1 TB partition! My destination disk is actually 1 TB but after the restore, it shows as 200 GB when I get info from the finder. The weird thing is that my destination disk is EXACTLY like my source disk.even the size. However, my destination disk does get a copy of my TM files.
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