Monitoring Of Raid1 Status; Status Monitoring Via Hdd Status Lamps; Figure 9-1 Hdd Status Lamps - Hitachi HF-W2000 35 User Manual

9.3

Monitoring of RAID1 Status

9.3.1 Status monitoring via HDD status lamps

Compared with A Model, D Model is additionally provided with HDD1 status lamp and
HDD2 status lamp indicating the status of each HDD in the RAID1 system as illustrated
below.
Relationships between HDD Status Lamps and HDD Bays
Lamp name
HDD1 status
HDD2 status
Meaning of HDD Status Lamps by State
Lamp state
Both off
On (red) in one
side
Blinking (red) in
one side
Blinking (red) in
both sides
Corresponding drive bay No.
1
2
Meaning
Both HDDs are online (no error).
Subject HDD in one side is offline
(power not supplied to subject HDD).
Rebuilding (copy) is in progress. Only
the indicator for the destination HDD
blinks.
Both HDDs are failing (including error
in configuration information).

Figure 9-1 HDD Status Lamps

Digital LED for status indication
Drive bay 2
Drive bay 1
9-3
9. RAID1
ALARM lamp
DRIVE/STBY
(Drive Access/Standby) lamp
HDD1 status lamp
HDD2 status lamp
Power switch