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Chapter 3 Subsystem Monitoring
System Monitoring
3-3
thresholds is violated.
4
BBU
Link
Green ON indicates BBU is present.
5 Hst Bsy
Green
FLASHING indicates there is active traffic through
the host ports.
OFF indicates there is no activity on the host ports.
6 Drv Bsy
Green
FLASHING indicates there is active traffic on the
drive channels.
OFF indicates there is no activity on the drive
channels.
Table 3-1: Controller Module LED Definitions
3.2.1.1 Fibre Port LEDs
Each I/O module provides 4G FC SFP ports. Each of these ports has two (2) LEDs for
displaying the link and speed statuses. Host port LEDs are used here as examples.
Name Color Status
Link
Green
Steady GREEN indicates that channel
link is valid.
OFF indicates no valid link is made
through the FC port.
Speed
Green/
Amber
Steady GREEN indicates 4Gb/s link
speed.
Steady AMBER indicates 2Gb/s link
speed (drive channels only).
Off indicates incongruous link status.
Table 3-2: Fibre Port LED Definitions
3.2.1.2 Restore Default LED
A restore default LED is located above the Restore Default push button on the lower right
corner of the controller faceplate. To restore firmware defaults, press and hold the button
before powering on the subsystem. Once the factory defaults are successfully restored,
the restore default LED lights green and then you can release the button.
CAUTION!
Restoring default is more or less a last-resort method. Although logical drives