Cisco UCS C220 M4 Maintaining The Server page 3

Chapter 3 Maintaining the Server
Table 3-1 Front Panel LEDs, Definitions of States
LED Name
1
SAS/SATA drive fault
SAS
Note: If your controller is a
Cisco UCS RAID SAS 9300-8i
or 9300-8e HBA, see
SAS 9300-8e HBA
Considerations, page C-4
differing LED behavior.
2 SAS/SATA drive activity
SAS
1 NVMe PCIe SSD status
PCIe (SFF, 8-drives version only)
2 NVMe PCIe SSD activity
PCIe (SFF, 8-drives version only)
3 Power button/LED
4 Unit identification
OL-32473-01
State
• Off—The hard drive is operating properly.
• Amber—Drive fault detected.
• Amber, blinking—The device is rebuilding.
Cisco UCS
Amber, blinking with one-second interval—Drive locate function activated.
•
for
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.
•
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.
Off—The unit identification function is not in use.
•
Blue—The unit identification function is activated.
•
Cisco UCS C220 M4 Server Installation and Service Guide
Status LEDs and Buttons
3-3