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Floor space: The floor area at the installation site must provide the following
conditions:
v Enough stability to support the weight of the fully configured storage expansion
v Sufficient space to install the storage expansion enclosure
Weight: The storage expansion enclosure total weight depends on the number of
fibre channel hard disk drives that are installed. A fully configured storage
expansion enclosure with two power supply and fan units, two ESMs, and up to 16
fibre channel hard disk drives installed weighs 40 kg (88 lbs).
Other: Consider these important preparation activities:
v Install uninterruptible power supply (UPS) devices.
v Install host bus adapters (HBAs), switches, or other devices, if applicable.
v Route interface cables from the hosts or switches to the installation area.
v Route main power cords to the installation area.
Continue with "Preparing the rack."
Preparing the rack
Important: Before you install the storage expansion enclosure in a rack, keep in
mind the following considerations:
v Review the documentation that comes with your rack enclosure for safety and
v Do not extend more than one device out of the rack cabinet at the same time.
v Install the storage expansion enclosure in a maximum 35° C (95° F)
v To ensure proper airflow, do not block the air vents; 15 cm (6 in.) of air space is
v To ensure rack stability, load the rack starting at the bottom.
v If you install multiple components in the rack, do not overload the power outlets.
v Always connect the storage expansion enclosure to a properly grounded outlet.
Complete the following steps to prepare the rack before you install the storage
expansion enclosure:
1. Move, unpack, and level the rack at the installation site (if needed).
2. Remove the external rack panels.
3. If necessary, stop all I/O activity to the devices in the rack.
4. If necessary, turn off all drive enclosure and rack power. Disconnect existing
5. Install any additional interface cables and power cables.
After you have completed these steps, continue with "Installing the support rails."
Installing the support rails
Attention:
Appendix C, "Rack mounting template," on page 151. If you want to tear out the
templates from this document for easier use, use the copies in Appendix C, "Rack
mounting template," on page 151 rather than the copies provided in this section.
32
IBM System Storage DS4000 EXP810 Storage Expansion Enclosure: Installation, User's and Maintenance Guide
enclosure and associated systems
cabling considerations.
environment.
sufficient.
power, network, and other external cables.
Duplicate copies of the rack mounting templates are provided in
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