HP MSA 30 User Manual page 24

Installing the System in a Rack
9. Tighten the thumbscrews to secure the system to the rack.
10. If moving the rack with the system installed, use the shipping bracket to secure
the system in the rack:
a. Slide the shipping bracket forward until it engages with the system chassis.
b. Tighten the shipping bracket screw.
2-6 HP StorageWorks Modular Smart Array 30 User Guide