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10 Hitachi High-performance NAS Platform
Ventilation
On a High-performance NAS Platform, there are vents and fan openings on the front and
the rear. These openings are designed to prevent the High-performance NAS Platform
from overheating.
Therefore, at least four inches of clearance must be present at the rear of the High-
performance NAS Platform rack so that airflow is unrestricted.
Caution:
Do not place the High-performance NAS Platform in a built-in installation
unless proper ventilation is provided.
Do not operate the High-performance NAS Platform in a cabinet whose internal ambient
temperature exceeds 40º C (104º F).
Front View
On the front panel there are two LED indicators (Power and Status), which indicate the
system status as follows:
Table 3: Status Power LED (Green)
State Meaning
Green Normal operation with a single
High-performance NAS Platform
or an active
High-performance NAS Platform
in a clustered operation.
Slow Flash The system has been shut down. Flashes once every three seconds.
Flash (0.8Hz) The High-performance NAS Platform is available to host file services but is not cur-
rently doing so.
Flash (5Hz) The High-performance NAS Platform is rebooting.
Off The High-performance NAS Platform is not powered up.
Status Power LED Status LED