Number Item Description
1 Controllers Controller 1 (left) and
Contr
oller 2 (right).
2 Front end module N/A
3 CTL ALM LED Red: Controller can be
removed.
Blink red: Failure with
the power supply unit
of the controller.
Amber: LAN reset
switch was pressed.
4 BACKUP STTS LED Green: Power
restoration in progress
following power
outage.
Fast blink green:
Restoring.
Slow blink green:
Restoring, or
sequential shutdown in
progress.
5 CTL WARN LED Amber blink one time:
Failure with fan 0.
Amber blink two times:
Failure with fan 1.
6 Cache ash memory N/A
7 LAN-RST switch Use only when
instructed by customer
support.
CBSS controller rear panel LEDs
Chapter 2: System controllers
Hitachi Virtual Storage Platform G350, G370 Hardware Reference Guide 17
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