Additional to the protected folders listed in the Privacy pane, macOS has a secret list of files which are also read-only. Apple hasn’t documented these.
bug
The fine line between precision and obscurity examined in the Finder, against Apple’s Style Guide, and its accuracy. And what does HD stand for?
Three Finder bugs in 10.15.3, from the plain silly to infuriating. Every Mac still has a hard disk, Preview Options that don’t work, and a very old fiend.
Fixes a bug which could cause the app to crash when starting to run an audit.
Now collects log entries reporting progress and rates of transfer during a backup, and giving info on what is slowing them down.
How can you tell what causing a backup to run so slowly? If it is this bug, what can you do about it? A plain user’s guide.
Surely these problems with Time Machine are old hat and not news? Or are they simply errors occurring with disks or the file system?
When making a first full backup of less than 2 GB takes 86 minutes, and you then can’t restore from it anyway.
The plan was simple: replace my 8 year-old Promise Pegasus RAID system with a shiny new SSD RAID system, for Time Machine backups. What could go wrong?
Here’s what happens when a Time Machine backup, normally the first, slows to the point where it’s just never going to finish.
The Eclectic Light Company 