The Time Machine dock item worked exactly as it should for both disks, showing the correct data from the just completed "Backup Now" job. The Preference Panel reports the timestamp of the last one done, irrespective of which drive was used.
macos - Best approach to offsite backups with Time Machine I have used two TM disks for offsite backups quite a lot with good results. The key thing to keep in mind is that the longer you take to rotate disks, the worse off you will be if disaster happens. This is my strategy: Get two or more drives for Time Machine (TM) Set up all drives for TM and perform the first backup on each ** Encrypt the Fix Corrupted Time Machine Backups – The Funkstop After a couple of episodes of TM losing the connection I was at 1.5TB of files and when I tried reconnecting to the network backup I got the dreaded “Time Machine completed a verification of your backups. To improve reliability, Time Machine must create a new backup for you.” dialogue.
time machine does not delete old backups … - Apple Community
Mar 13, 2020 How and Why to Set Up an Offsite Backup for Your Mac May 22, 2018
You can use one or both of these features to back up your machine. Of course, you still need offsite backup, either an online backup or a remote backup to another computer. However, recovering
Mac Backup Tutorial - Time Machine, Bootable Backups and Apr 15, 2019 Time Machine - Change 15 day reminder? | MacRumors Forums Mar 27, 2015 How can I duplicate an existing Time Machine backup and I have a Time Machine backup, and have bought an identical external drive, with the intention of running TM on both drives. I know that I can just plug the new drive in and configure it as a TM target, but I have a significant amount of history in the backup that is no longer on … Altaro Technical Support Center - Contact Support