Time machine back up of shared hard drive that is connected to AE

I have 1TB MyBook external drive that I want to use as storage connected to my Airport Extreme. Naturally, this allows anyone connected to the wifi to access the files on there. I also have a second drive connected to the Airport Extreme. That one is for my Time Machine Backups.
My question is this:
Am I able to use that second 2TB hard drive to back up both my iMac and also the shared storage drive that is attached to the Airport Extreme and not directly to my iMac?? That would make me a very happy man if it could do that!
I appreciate any help!
Thanks

span98 wrote:
Am I able to use that second 2TB hard drive to back up both my iMac and also the shared storage drive that is attached to the Airport Extreme and not directly to my iMac??
basically yes. you should get a powered USB hub.
however, using TM to back up to a drive connected to a AEBS is not supported ! it may work, even for a while, but eventually corruption of the backups may occur.
here's what Apple says about such a setup: _*Disks that can be used with Time Machine*_.
JGG

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