Checksums ... ;-)

[pete31]

Here’s the post, not sure whether it has something to do with your problem though.

Ventura, DT3, Arq, Wasabi: Immutable backups failing silently

Sounds like this is related to Ventura’s full disk access bug that broke all security applications. https://mjtsai.com/blog/2022/11/02/ventura-bug-disables-security-software/ … If you use a security scanner on your Mac and you update to macOS Ventura, check the program directly to see if it’s flagging an error. The workaround to fix the problem is simple once you know to do it. In System Preferences go to Security & Privacy, then the Privacy tab, and then Full Disk Access. Click the lock ic…