
22
EMC VNX5400 Hardware Information Guide
System component description
CPU
The CPU modules in the DME contain the power, fault, and unsafe-to-remove LEDs.
shows the CPU LEDs.
Figure 8 CPU LEDs
AC
AC
AC
AC
CPU power LED
CPU fault LED
CPU unsafe to
remove LED
CNS-001669
Table 6 CPU LEDs
LED
Color
State
Description
Power
Green
On
Data Mover is powered up and all components in the Data
Mover are operating properly.
—
Off
Data Mover is powered down.
Fault
Amber
On
Data Mover has faulted.
Blinking
Data Mover goes through six stages of power up:
1. Executes a BIOS check, blinking once every 4 seconds
2. Executes a POST check, blinking once every second
3. Loads the operating system, blinking four times a second
Blue
(see
Note)
Blinking
4. Operating system loaded, blinking once every 4 seconds
5. Operating system starting drivers, blinking once every
second
6. Operating system drivers operating, blinking four times a
second
—
Off
Data Mover operating normally.
Unsafe to
remove
White
On
Data Mover is unsafe to remove.
—
Off
Data Mover is safe to remove.
Note: The fault LED changes color from amber to blue when the operating system is loading, see
step 4 in the fault LED description above.