Table 10: I/O module status LEDs
Indicator Display Description
7-segment display On Indicates the enclosure number or
an error/warning code
Data ports (DP-1, DP-2) Green on, amber off Link at high speed with no activity
Green flashing, amber off Link at high speed with activity
Green on, amber on Link at low speed with no activity
Green flashing, amber on Link at low speed with activity
Green off, amber on No link or no cable connected
Green flashing, amber flashing Location requested
I/O module status LED Green on, amber off Normal operation
Green flashing, amber off Shutdown in progress, no fault
Green off, amber on Fault
Green flashing, amber on Shutdown in progress, fault
Green flashing, amber flashing Shutdown in progress
Locate UID Off Normal operation
Blue on Location requested. Safe to
remove.
Blue flashing Location requested. Do not
remove. Indicates that
maintenance is in progress. For
example, firmware is updating.
Safely rebooting a storage controller
Safely rebooting a storage controller includes failing over the controller before you reboot, and failing back
when the controller comes back online.
20 Safely rebooting a storage controller
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