2 drives for Time Machine?

I did a search for this and did not find it, but I have a 1TB and a 2TB drive. I want to set both as Time Machines. Does Time Machine not have the ability to move to a second drive once the first is full? I'm afraid to software RAID the two for a huge 3TB drive.

tedtv wrote:
Does Time Machine not have the ability to move to a second drive once the first is full?
No. Time Machine backups cannot "span" two volumes.
I'm afraid to software RAID the two for a huge 3TB drive.
Won't work anyway; Time Machine won't back up to a software RAID set. It will back up to a hardware RAID set, though.

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