Silicon Graphics Total Performance 9300, User Manual

Page: 52 / 120

34 007-4644-001
3: Operating Storage Enclosures
Checking the Indicator Lights
The enclosure’s indicator lights display the status of the enclosure and its components.
Green indicators mean a normal operating status; amber indicators mean a possible
failure.
It is important that you check all the indicators on the front and rear of the enclosure
when you turn on the power. Besides checking for faults, you can use the indicators on
the front of the enclosure to determine if the drives are responding to I/O transmissions
from the host.
Important: Except as described in the notes following Figure 3-2 and Figure 3-3, an
amber light indicates a component failure. If you see an amber indicator, run TPSSM to
diagnose and repair the problem.
To check the enclosure indicators and operating status, follow the guidelines in Table 3-1
on page 36 (front indicators) and Table 3-2 on page 38 (rear indicators). If any indicators
show anything other than a “normal” status, run TPSSM to diagnose and repair the
problem.
Front Indicator Lights
This section describes the front indicator lights for the controller and expansion
enclosures. Figure 3-2 shows the front indicators for the controller and expansion
enclosures.