A guide to managing your Time Machine backup disk

Format your drive as APFS (iirc you do not need to choose Encrypted, as you have the option to set a password when configuring Time Machine)
System Preferences > Time Machine
You probably don’t need backups of every version of Xcode 😄
If you select “Use Both”, macOS will create a new encrypted partition on your drive
The File system UUID is used to uniquely and permanently identify the partition
File system UUID : 8E2258F5-7D78-4FE9-B657-1CA24DDE16AB
sudo nano /etc/fstab
UUID=8E2258F5-7D78-4FE9-B657-1CA24DDE16AB  none  APFSX  rw,noauto
The other backup drive is no longer mounted automatically
tell application "System Events" to
set diskNames to name of every disk
set computer_name to
computer name of (system info)
set partition_name to
"Backups of " & computer_name
set is_mounted to
(partition_name is in diskNames)
return is_mounted
set computer_name to
computer name of (system info)
set partition_name to
"Backups of " & computer_name
tell application "Finder"
eject disk partition_name
end tell
display notification
"It's now safe to remove the "
& partition_name
& " media from your computer"
with title
"Time Machine disk ejected"

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Matt Miller

Matt Miller

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