4Sun Fire 280R Server Owner’s Guide January 2001
maximum weight of 75 lb (34 kg). Youcan 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
standardEIA 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 remotelyboot, 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 page11 and “About Managing the System” on page 71.