[1] : The Collaborative International Dictionary of English v.0.48

gear up \gear` up"\ n.
   to prepare for an event or activity; as, to gear up for the
   election campaign.
   pjc

[2] : WordNet (r) 2.0

gear up
     v : make ready or suitable or equip in advance for a particular
         purpose or for some use, event, etc; "get the children
         ready for school"; "prepare for war"; "i was fixing to
         leave town after i paid the hotel bill" syn: fix, prepare,
          set up, ready, set
see also:
fix prepare set up ready set 

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Backed Up, definition of term: Backed Up
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