Table 2-6
Disk drive module LEDs (continued)
Description
State
LED name
Number
System off
Normal operation
Not lit
Flashes green
Heartbeat
8
Release 2.6.0.3 enables support of up to four storage shelves for each appliance.
The number designations of storage shelves is the same. Shelf #3 is connected to
Shelf #2 and to Shelf #4 if a fourth shelf is used. Shelf #4 is only connected to Shelf
#3.
A storage shelf has two I/O modules which contain the SAS_IN and SAS_OUT
ports. In the rear panel of a storage shelf, the I/O module on the left is I/O Module
1. The I/O module to the right of I/O Module 1 is known as I/O Module 2.
Table 2-7
Storage shelf system LEDs
Description
State
LED name
The storage shelf functions normally.
Solid green
Power
The storage shelf functions normally.
Solid green
Global Enclosure Status
This LED is not in use at this time.
Off (no light)
Reserved
If one I/O module in one storage
shelf is properly connected to an
external SAS port.
Flashes green once every
4 seconds.
Heartbeat
If two I/O modules in one storage
shelf are properly connected to
external SAS ports.
Flashes green once every
2 seconds.
Heartbeat
See
“Symantec Storage Shelf disk drive module and system LEDs”
on page 20.
Symantec Storage Shelf I/O module and power module
LEDs
The right side of the rear panel of the Symantec Storage Shelf contains two power
modules. Each module includes two fans, a connector to a main AC power supply,
an on/off switch, and a status indicator LED.
The Symantec Storage Shelf contains two I/O modules, that are accessed from the
rear panel. You can connect two storage shelves with their total of four I/O modules
to an appliance. The SAS_IN port on the storage shelf is used to attach to a SAS
22
LED status indicators
Symantec Storage Shelf I/O module and power module LEDs