Set up time machine for backups for 2 different drives?

[DaGrandMastah]

Hi all, I have my time machine set up perfectly to backup my desktop drive to an external drive. Thing is I have an external drive that I want to backup to another external drive completely seperate from the first backup. Is there a way to do that?

Just to be clear....I have hard drive A backing up to external drive B.

I want to, in additon to keeping that, set up external drive C to back up to external drive D.

[Weaselboy]

Kind of. You cannot have two, separate backup configurations, but you can backup the same configuration to two destinations.

Plug C in and remove it from Time Machine exclusions, then it will backup along with A to B.

Now plugin D, and create a second backup and it will backup A and C to D.

You will need Lion or Mountain Lion to use multiple disks like this.