Verifying the operating status of the disk enclosures
To verify that the disk enclosures and disk drives are operating properly, view the enclosure and disk
drive LEDs and compare them with the patterns described in the following table. If LED patterns are
not as expected, check cable connections between the devices, check the availability of your power
source, review the installation procedures, and remove and reinsert the module. For more information
about disk enclosure LEDs, see
Disk enclosure component
Front UID module
L E D s
Power supply module
Fan module
nl
I/O module
40
Installation
Chapter 1
on page 7.
LED
Startup condi-
tion
1. Health
Blinking green
2. Fault
Blinking amber
3. UID
Blinking blue
Status
Green
Status
Solid green
1. Port Link
2. Port Error
3. 7 segment
display
4. Fault
5. Health
Blinking green
6. UID
Operating
Fault condition
condition
Solid green
Off
Blinking or Solid
Off
Amber
Off
Off
Solid green
Off
Blinking or solid
Solid green
amber
Blinking or solid
Off
green
Off
Solid amber
A number, rep-
resenting the
Off
box number
Blinking or solid
Off
amber
Solid green
Off
Off
Off