Control enclosure indicators

The indicators on the left end cap of the control enclosure provide an overview of the enclosure status.

Labels and indicators on the left end cap of the control enclosure provide information about the enclosure status. When multiple enclosures are in a rack, the serial number is used to identify the enclosure that is being referenced.
Figure 1. Left enclosure end cap
Enclosure front indicators

Table 1 summarizes the possible meanings of each indicator.

Table 1. Summary of LED Indicators
Indicator Name Color Symbol Meaning
Control enclosure operational Green
This icon shows the power on LED on the enclosure end cap.
  • Off - The enclosure isn’t receiving AC power or it’s running on battery.
  • Slow flash - The main CPU isn’t running or all canisters are in X86 standby mode.
  • On - The CPU is active (not in standby mode) on at least one node canister.
Identify enclosure. Blue
This icon shows the identify LED on the enclosure end cap.
  • Off - Default
  • On - The light identifies the enclosure. The LED can be turned on or off by the chenclosure command.
Enclosure fault Amber
This icon shows the fault LED on the enclosure end cap.
  • Off - No faults detected.
  • On
    • The enclosure is coming up.
    • A canister, drive, PSU, or fan assembly has an error.
    • A drive failed; the fault LED is also lit on the failed drive.