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4 Sun Fire 280R Server Owner’s Guide • January 2001
maximum weight of 75 lb (34 kg). You can rackmount up to nine systems in a 72-
inch (182.80-cm) high EIA-compliant cabinet, such as the Sun™ StorEdge Expansion
Cabinet.
The Sun Fire 280R server is shipped with a rackmounting kit for installation into a
standard EIA 310-compliant 29-inch to 32-inch (73.6-cm to 81.3-cm) deep and 19-inch
(48.26-cm) wide rack, with at least four rack units (7.0 inches, 17.78 cm) of vertical
mounting space available per server, and sufficient load-bearing capacity.
Sun Fire 280R system reliability, availability, and serviceability (RAS) are enhanced
by features that include:
■ Error correction and parity checking for improved data integrity
■ Easily accessible LED status indicators
■ Hot-pluggable internal disk drives with status indicators and easy front access
■ External support for RAID 0, 1, 0 + 1, and 5 implementations
■ System environmental monitoring and control
■ Power system monitoring and fault notification
■ Power supply redundancy
■ Hot-swappable power supplies with easy front panel access
■ Automatic system recovery
■ Improved system diagnostics software
■ Enhanced system availability software
■ Remote System Control card access to remotely boot, monitor, and control servers
■ Easy front or top access to all internal replaceable components
For additional hardware details, see “About System Reliability, Availability, and
Serviceability Features” on page 64, and for software details, see “About the Sun Fire
280R Server Software” on page 11 and “About Managing the System” on page 71.