Using TimeMachine with one Mac and two HDD

Hi
I was wondering if the following can be done with out loosing data and with out confusing TimeMachine:
Using one mac and with time machine going back and forth between 2 external HDD ?
in order to have 2 TimeMachine HDD (one at home and one on the move)
Did one of you did try this ?
If yes is it working fine ?
Thanks for sharing your feed back
Regards

Hi, and welcome to the forums.
Yes, that works fine.
The first backup to each drive will, of course, be a full one.
Thereafter, each backup will be an "incremental" one, of all the changes that have been made to your system since the last backup +*to that drive.+*
Of course, if you create a file at home, run a backup, then change the file and run another backup, your "home" backup will have both versions of that file. If you then do a backup to the other drive, it will only have the new version.
The more changes you make between drive swaps, the longer the first backup after the swap will be, since there are more changes to "catch up" with. In some cases, the volume of changes may cause Time Machine to do a "deep traversal," with a longer than usual "Calculating Changes" phase, to figure out what's changed and needs to be backed up.

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