There's a lot of free space, so was hoping I could use the trick of either partitioning the boot disk and installing on the partition, then migrating and deleting the old one, but Disk Utility needs to verify the volumes in the container before it will resize anything so that was a no go. Restoring the original state found as mounted. The volume /dev/rdisk2s2 could not be verified completelv. The volume Macintosh HD - Data was formatted by as (1412.141.1) and last modified by apfs_kext(1412.141.2).Ĭhecking snapshot 1 of 10 (com.)Įrror: btn: invalid key order (3) oid 888239 / oxid 3246586 / level 0 / flags 0x2 Warning: disabling overallocation repairs by default use -o to overrideĬhecking the space manager free queue trees Warning: container has been mounted by APFS version 1933.41.2. Running First Aid on 'Macintosh HD - Data' (disk2s2)

Here's what Disk Utility spits out (might be a typo or two, this is text recognition from a photo booted into a Monterey Recovery Partition): Has anybody else tried doing this? Does it work? Something particular I need to do with Disk Utility when erasing the volume to avoid problems? Normally I'd have no fear of wiping just one partition on a drive, but I have no idea what Boot Camp is going to think of this, or if it's going to completely break my Windows install. Use Migration Assistant to import my data to the fresh install from a Time Machine backup.īut. I have a Windows Boot Camp partition on the same internal drive and I really don't want to have to go through completely reinstalling Windows as well.Boot into the installer and reformat the boot volume to eliminate the old OS and any disk directory problems.Create a Monterey USB installer (tried Command-Option-R to use latest-OS Recovery Mode instead, it hung and wasn't able to download the Monterey installer for some reason).Since I've been having some possibly-related weird behavior, and don't want to risk disk corruption coming back to bite me later, I want to do the nuclear option of a completely fresh install. After some checking, it turns out that the Data part of the AFPS boot has a 'fsroot tree invalid key order' when checked, and even booted into the Recovery partition neither Disk Utility nor a terminal fsck command is able to repair it. When I tried to install the update, it failed on a disk error. I have a final-gen 27' Intel iMac currently running 10.15 + Windows 10 Boot Camp partition, decided to skip Big Sur and go straight to Monterey.

How to reformat mac hd to apfs