Figure 1-8 DBS drive tray front view
Item Name Color Description
1 POWER
LED
Green OFF - no power is supplied to the system
ON - Power is supplied to the system
READY
LED
Green OFF - system is not operational
ON - normal operation. Storage system is operational.Fast blink - internal
processing. Storage system is operational.Slow blink - offline download
processing completed (maintenance).
LOCATE
LED
Orange OFF - normal operation
ON - nonfatal error. Storage system can remain operating.
Contact technical support. See Getting help on page xi in the preface of this
manual.
2 ALM LED
(alarm)
Red OFF - normal operation
ON - fatal error. Contact technical support. See Getting help on page xi in
the preface of this manual.
3 ACT LED
(Active)
Green OFF - drive is not being accessed
Blinks when drive is being accessed.
Figure 1-9 DBL and DBS drive tray (rear panel)
Item Name Color Description
1 POWER LED Green OFF - no power is supplied to the system
ON - Power is supplied to the system
Introduction
1-9
Hitachi Unified Storage VM Block Module Hardware User Guide
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