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Chapter 5. Monitoring the system using LEDs
The section provides information about LED based monitoring of IBM Storage Scale System 3500. The
chapter guides customers to use LEDs for monitoring and maintenance of the system.
The following components of IBM Storage Scale System 3500 support LED-based monitoring:
• System status
• Drive carrier assembly
• Fan module
• Power module
• Server canister
System status LEDs
System status LEDs provide status of IBM Storage Scale System 3500.
Ten status LEDs are available along the upper-left edge on the front of the enclosure, just above the drive
bays as shown in Figure 41 on page 55. From left of the enclosure, the first three LEDs provide status of
FRUs that are not visible from the cold aisle—the fans, server canisters, and power modules.
The next six LEDs provide status of FRU groups and direct the user to the appropriate FRU for further
investigation when there is a fault. The last LED on the enclosure is not in use.
The following figure shows system status LEDs on an IBM Storage Scale System 3500 enclosure:
Figure 41. System status LEDs on an IBM Storage Scale System 3500 enclosure
The following figure shows the location of each LED available on an IBM Storage Scale System 3500
enclosure from left to right:
Figure 42. Displaying system status LEDs on an IBM Storage Scale System 3500 enclosure
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Copyright IBM Corp. 2022, 2023
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