• 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.
SAS/SATA drive fault
NVMe solid state drive (SSD) drive tray
LEDs have different behavior than
SAS/SATA drive trays.
Note
1
SAS
• 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.
SAS/SATA drive activity LED
2
SAS
• 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.
NVMe SSD drive fault
NVMe solid state drive (SSD) drive tray
LEDs have different behavior than
SAS/SATA drive trays.
Note
1
NVMe
• Off—No drive activity.
• Green, blinking—There is drive activity.
NVMe SSD activity
2
NVMe
• Off—There is no AC power to the server.
• Amber—The server is in standby power mode. Power
is supplied only to the Cisco IMC and some
motherboard functions.
• Green—The server is in main power mode. Power is
supplied to all server components.
Power button/LED
3
• Off—The unit identification function is not in use.
• Blue, blinking—The unit identification function is
activated.
Unit identification
4
Cisco Application Services Engine Hardware Installation Guide
22
Maintaining the Server
Front-Panel LEDs