Installing And Cabling The Hp Storeonce 4900 Backup System; Rack Warnings; Important Safety Information; Installing The Rails, Locking Nuts And 1U Support Shelf - HP StoreOnce 4900 Backup Installation And Configuration Manual

3 Installing and cabling the HP StoreOnce 4900 Backup
system
Always refer to your rack documentation and to the Safety Guide and the Installation and
Configuration Guide on the HP StoreOnce Backup CD for detailed instructions, including important
safety information, about installing units within the rack.
HP recommends locating the disk enclosure below the HP StoreOnce 4900 head server. If installing
two disk enclosures, the recommendation is to install both disk enclosures below the head server.
The disk enclosures are very heavy and locating the heaviest items in the bottom part of the rack
helps ensure rack stability and minimize the amount of lifting required during installation.
WARNING!
to provide a stable support for the unit.

Rack warnings

WARNING!
the HP StoreOnce Backup system in a rack, comply with these guidelines for rack safety:
The leveling jacks are extended to the floor.
The full weight of the rack rests on the leveling jacks.
The stabilizing feet are attached to the rack if it is a single-rack installation.
The racks are coupled together in multiple-rack installations.
Only one component is extended at a time. A rack may become unstable if more than one
component is extended for any reason.

Important safety information

WARNING!
drives and components installed, the enclosure can weigh up to 145.15 kg (320 lb). To reduce
the risk of personal injury or damage to the equipment:
Observe local occupational health and safety requirements and guidelines for manual material
handling.
Use caution and get assistance to lift and stabilize disk enclosures during installation or
removal, especially when the disk enclosure is not fastened to the rack.
CAUTION:
and fall, causing damage to the HP StoreOnce Backup system or injury. HP is not responsible for
any damage or injury caused by the mishandling of the HP StoreOnce Backup system.

Installing the rails, locking nuts and 1U support shelf

Determine where the head server unit, disk enclosure(s), and 1U support shelf will be installed,
and install rails for them, as described below.
HP recommends that the rack is filled from the bottom upwards and that the head server unit
is installed above the disk enclosure(s).
The 1U support shelf is installed below the disk enclosure(s).
Locking nuts are supplied with the head server and disk enclosure(s) and should be installed
at the same time as the rails.
Always install the supplied 1U support shelf immediately below the disk enclosure
To reduce the risk of personal injury or damage to the equipment, before installing
The disk enclosure without drives installed weighs 72.58 kg (160.00 lb). With all
Use extreme caution when installing and pulling units from the rack; they can slip
Rack warnings 21