maybe look into options for the oxymoronic "Standard" HP rack?  

Dell makes some nice ones, but if you're genuinely concerned about the security of your equipment, really take a look at the rack - I've seen some that have locks but it's very easy to just lift the door off the hinge pins, mess with the contents, put it back.

and of course google is your friend - "locking HP rack" gets lots of hits, including:

HP Rack for 19 Inch Rackmount SystemsXRackPro2 HP rack. Our HP server and RAID rack includes front and rear doors which are locking as standard included equipment. Both doors of the HP rack can ...
www.xrackpro.com/HP-Rack-s/50.htm  - Cached - Similar -

> -----Original Message-----
> From: HP-3000 Systems Discussion [mailto:[log in to unmask]] On Behalf Of Scott
> Keeling
> Sent: Tuesday, December 08, 2009 6:38 AM
> To: [log in to unmask]
> Subject: locking HP rack
> 
> We're placing an HP system (UX but same rack) at a disaster recovery site in
> the near future.  The standard HP rack as everyone knows has a locking back
> door with no locking front door.  The site requires all racks to have locking
> front and back doors or the alternative is to place the system in a cage which
> is pricey.  Anybody know of a way to have a locking door on the front of an
> HP rack or an aftermarket rack that the system will go into that can be
> locked?  Any other suggestions are welcome.
> 
> Thanks!!
> 
> Scott
> 
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