If your Mac still starts up in 10.13, now’s the time to start planning your upgrade when Apple’s support for it discontinues. Pros and cons.
APFS
Time Machine has been using snapshots since High Sierra. How can it then use them to make backups to APFS volumes in Big Sur?
Trying to discover the effective size of a snapshot proves baffling, particularly when the Finder claims it’s almost astronomical.
APFS adds 6 volume roles, including one which supports Time Machine backups. And per-file encryption is coming.
From SIP to a protected read-only System volume, macOS 11 takes system protection a big step further with cryptographic verification.
Important update for all users, which addresses several bugs in setting the maximum size of sparse bundles.
How to set the total size, and band size, for your sparse bundles, with calculation of the critical band size.
By now, the current release of macOS has had all major bugs fixed or worked around. Isn’t this a good time to upgrade? Some practical advice on deciding and upgrading tips.
This can now be incorporated into your own scripts, to check the integrity of important files automatically.
Time Machine can’t make backups to a disk formatted in APFS. Oh yes it can – and here’s how you can do it too.
The Eclectic Light Company 