There are related questions here, but many are dated and none seems to quite cover my situation.
I have an early 2015 MacBook Pro that has been kept as up to date as possible, currently running 12.6.7. The file system is case sensitive. I have always used Time Machine to back it up; apparently TM always uses case sensitive file system.
The 2015 machine is dying due to an expanding battery. So, I have a new MacBook Pro. I fired it up, plugged in the TM drive and it complained that the new machine was case insensitive but the backup was case sensitive. Fine. Launched the new machine into recovery mode, erased the drive and reformatted as case sensitive. Then installed Ventura, which apparently converted the drive to case insensitive, as trying to use the TM backup gave the same error.
The old machine shows the following:
~> diskutil list /dev/disk0 (internal, physical): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *500.3 GB disk0 1: EFI EFI 209.7 MB disk0s1 2: Apple_APFS Container disk1 500.1 GB disk0s2 /dev/disk1 (synthesized): #: TYPE NAME SIZE IDENTIFIER 0: APFS Container Scheme - +500.1 GB disk1 Physical Store disk0s2 1: APFS Volume Untitled - Data 411.8 GB disk1s1 2: APFS Volume Preboot 612.1 MB disk1s2 3: APFS Volume Recovery 1.1 GB disk1s3 4: APFS Volume VM 1.1 GB disk1s4 5: APFS Volume BryanHD 15.4 GB disk1s5 6: APFS Snapshot com.apple.os.update-... 15.4 GB disk1s5s1
and the details for the relevant data volume:
~> diskutil info disk1s1 Device Identifier: disk1s1 Device Node: /dev/disk1s1 Whole: No Part of Whole: disk1 Volume Name: Untitled - Data Mounted: Yes Mount Point: /System/Volumes/Data Partition Type: 41504653-0000-11AA-AA11-00306543ECAC File System Personality: Case-sensitive APFS Type (Bundle): apfs Name (User Visible): APFS (Case-sensitive) Owners: Enabled OS Can Be Installed: Yes Booter Disk: disk1s2 Recovery Disk: disk1s3 Media Type: Generic Protocol: PCI SMART Status: Verified Volume UUID: 48C0C04E-5D1C-3FA9-9339-93B1BD12E05A Disk / Partition UUID: 48C0C04E-5D1C-3FA9-9339-93B1BD12E05A Disk Size: 500.1 GB (500068036608 Bytes) (exactly 976695384 512-Byte-Units) Device Block Size: 4096 Bytes Container Total Space: 500.1 GB (500068036608 Bytes) (exactly 976695384 512-Byte-Units) Container Free Space: 70.3 GB (70319427584 Bytes) (exactly 137342632 512-Byte-Units) Allocation Block Size: 4096 Bytes Media OS Use Only: No Media Read-Only: No Volume Read-Only: No Device Location: Internal Removable Media: Fixed Solid State: Yes Hardware AES Support: No This disk is an APFS Volume. APFS Information: APFS Container: disk1 APFS Physical Store: disk0s2 Fusion Drive: No APFS Volume Group: 48C0C04E-5D1C-3FA9-9339-93B1BD12E05A Encrypted: No FileVault: No Sealed: No Locked: No APFS Snapshots are defined upon this APFS Volume. Snapshot list: Snapshot UUID: 7EB6E3E4-2450-4FD9-8D86-B698FC2AAADB Name: com.apple.TimeMachine.2023-07-03-151546.local XID: 1595566 Snapshot UUID: AD44753D-4F92-4295-99AC-F641395D46DB Name: com.apple.TimeMachine.2023-07-03-152211.local [ other snapshots deleted for space ]
This info seems reasonable, it's the modern APFS system and case sensitive as I expected.
Now, on the new machine, boot into recovery mode, erase and format to AFPS (Case-sensitive), restart, activate mac, reboots back into recovery mode, reinstall macOS Ventura, answer the questions, skipping anything I can, then
diskutil info disk3s1
and see that its name is "Untitled - Data" and it is formatted case insensitive!
I tried to reformat via
diskutil eraseVolume APFSX "Untitled - Data" disk3s1
but this fails because
launchd is running on this volume.
Looking for help getting this TM backup onto the new machine in a case sensitive manner.