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EMC VNXe3100 Hardware Information Guide
Overview
6-Gb/s SAS port LEDs and port direction (input or output) —
shows the LCC
6-Gb/s SAS port LED—a bi-color (blue/green) LED below the connector, either left or
right—that indicates the link of the SAS port.
also shows a double black circle
(or dot)
symbol (for input) or a double black diamond
symbol (for output).
Figure 28 DAE LCC 6-Gb/s SAS port LED
describes the DAE LCC 6-Gb/s SAS port LED.
LCC enclosure ID (enclosure address) and bus ID
On the rear of the LCC (A and B), an LCC enclosure ID indicator is provided. This ID
indicator is a seven-segment LED for displaying decimal numbers. The LCC enclosure ID
appears on both LCCs (A and B) which is the same ID number.
shows the
enclosure ID is set at installation.
Each LCC includes a bus (loop) identification indicator. This indicator is a seven-segment
LED for displaying decimal numbers.
shows the SP initializes the bus ID when
the operating system is loaded.
Figure 29 Example of LCC loop bus ID and enclosure ID
x4
6Gb SAS
x4
6Gb SAS
VNX-000087
Table 21 DAE LCC 6-Gb/s SAS port LED
LED
Color
State
Description
Link
Blue
On
All lanes are running at 6 GB/s
Green
On
One or more lanes running at 1.5 or 3 Gb/s
Alternating
Blue/Green
Blinking
Port is being marked by the host
—
Off
Not connected
x4
6Gb SAS
#
x4
6Gb SAS
Enclosure ID
Loop bus ID
VNX-000081