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Maintaining the Server Chassis
5
Fan status
6
SAS/SATA drive fault
SAS
NVMe solid state drive (SSD) drive tray
Note
LEDs have different behavior than
SAS/SATA drive trays.
SAS/SATA drive activity
7
SAS
Note
NVMe solid state drive (SSD) drive tray
LEDs have different behavior than
SAS/SATA drive trays.
6
NVMe drive fault
NVMe
7
NVMe drive activity LED
NVMe
Rear-Panel LEDs
The power supply LEDs are the only rear-panel LEDs native to the chassis. Compute node LEDs that repeat
on each compute node are also described below. The rear ports and LEDs vary, depending on which adapter
card and PCIe cards are installed.
• Green—All fan modules are operating properly.
• Amber, steady—One fan has a fault.
• Amber, blinking—Two or more fan modules have a
fault.
• Off—The hard drive is operating properly.
• Amber—Drive fault detected.
• Amber, blinking—The device is rebuilding.
• Amber, blinking with one-second interval—Drive
locate function activated in the software.
• Off—There is no hard drive in the hard drive tray (no
access, no fault).
• Green—The hard drive is ready.
• Green, blinking—The hard drive is reading or writing
data.
• Off—The drive is not in use and can be safely
removed.
• Green—The drive is in use and functioning properly.
• Green, blinking—the driver is initializing following
insertion or the driver is unloading following an eject
command.
• Amber—The drive has failed.
• Amber, blinking—A drive Locate command has been
issued in the software.
• Off—No drive activity.
• Green, blinking—There is drive activity.
Maintaining the Server Chassis
Rear-Panel LEDs
3
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