My previous Time Machine is full and I am starting a new one. I am receiving the following alert: "Do you want to stop backing up to “***” and use “***” instead, or back up to both?" Which should I choose and why?
MacBook Pro, OS X 10.11
If the Old Drive is Full as you have stated, it will not take any new backups.
so keeping Both Drives as an option is not a good idea.
choose the New Drive
Choose the New Time Machine Backup drive .
It appear Time Machine Backup is only alerting you to the Options of Keeping theExisting Full TM Backup and or using Only the New Drive.
Personally, would suggest putting the Old Full Drive aside for Safe Keeping. Just incase something on that drive is needed in the future.
When I retire a full TM drive, I place a label on it indicating the last operating system name and version backed up to it and the date it was unmounted from the Mac. If I remember it, I also indicate the preceding data when it was initially started as a TM drive. If you have a fire-proof safe, put the retired TM drive in it.
+1
So then I should "stop back up to *** and use ***" as opposed to "backing up to both", yes?
You are welcome and thank you too.
Do come back to the Apple Support Communities ( ASC ) in the future, if / or when additional questions may arise
Adding a new Time Machine after first one is full?
