I ejected second internal drive accidentally - how do I find it?

I am on a mac pro running osx.5.8 and have a second internal drive that is set up as my time machine backup. I accidentally ejected it, and can't find it. Doesn't show up in Disk doctor either. Do I reboot a certain way?

Hi
http://www.prosofteng.com/products/data_rescue.php
Download this trail Software , and install it.
open the Software and See if you are able to detect it from the Disk rescue
_*2nd option*_
http://www.alsoft.com/diskwarrior/
have a look on this web site
good luck

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