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What the IBM System Storage EXP3000 offers
The EXP3000 provides several features for easy operation, including:
v Customer replaceable units (CRUs)
v Fault indicators
v Redundant cooling and power capabilities
Major components of the EXP3000
The orange color on components indicates hot-swap components. You can install or
remove these components while the EXP3000 is running. For information about
installing hot-swap components, see Chapter 4, "Replacing components," on page
21.
The blue color on components and labels indicates touch points, where a
component can be gripped, a latch moved, and so on.
The following illustrations show the EXP3000 major components.
Front view
System Storage
Rear view
6
System Storage EXP3000: Installation and User's Guide
The major CRUs in the EXP3000 are: SAS hard disk drives, ESMs, and power
supplies. See "Replaceable EXP3000 components" on page 21.
All CRUs have fault or status light emitting diodes (LEDs) to indicate hardware
failures.
EXP3000 models use a dual ac input power system. This means both power
switches must be turned on for proper redundant operation. The redundant
cooling of the fans enables continued operation if one fan fails. The EXP3000
comes with two 515-watt hot-swap power supplies, which provide redundant
power for many EXP3000 configurations. If the average load on the EXP3000 is
less than 515 watts and a problem occurs with one of the power supplies, the
other power supply can meet the power requirements.
Hot-swap hard disk drive
ESM
Hot-swap power supplies
Filler panel
Bezels
Filler panel
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