Oracle Exadata X10M Service Manual page 222

Caution:
Always load equipment into a rack from the bottom up so that the rack does
not become top-heavy and tip over. Extend the rack anti-tilt bar to prevent
the rack from tipping during equipment installation.
Ensure that there is at least two rack units (2U) of vertical space in the rack
1.
cabinet to install the server. See
Place the Rackmounting Template against the front rails, and measure up from the
2.
bottom of the Rackmounting Template. The bottom edge of the Rackmounting
Template card corresponds to the bottom edge of the server.
Rack Compatibility.
Appendix C
Rackmounting the Server
C-10