Checking The Status Of The Raid1; Checking By The Status Lamps; Figure 10-1 Hdd Status Lamp - Hitachi HF-W7500 Instruction Manual

10. RAID1

10.3 Checking the Status of the RAID1

10.3.1 Checking by the Status Lamps

This equipment has HDD status lamps (an HDD1 status lamp and an HDD2 status lamp) as
shown in the figure below. These lamps show the status of each HDD in the RAID1 system.
Correspondence between HDD status lamps and drive bays
Lamp name
HDD1 STATUS
HDD2 STATUS
Meaning of the HDD status lamps
HDD status
Lamp status (Red)
OFF (Both)
ON (Either one)
Flashing
(Either one)
Flashing
(Both)
Note : The blinking during rebuilding is about 1 Hz.
The blinking of both HDDs is abnormal at about 4 Hz.
Flashing of the HDD status lamp may occur for a moment during operation,
but it is not abnormal HDD.
Corresponding drive bay number
1
2
Status of the HDDs
Both HDDs are working properly.
One HDD has an error.
(The power of the HDD with an
error is OFF.)
Rebuild (copy) is ongoing.
(Only the lamp of the copy
destination HDD flashes.)
Both HDDs have errors.
(Including errors in the
configuration information)

Figure 10-1 HDD status lamp

10-4
Drive bay 2
Drive bay 1
Power switch
Digital LED for
Status indication
Status lamp
Alarm lamp
Drive access lamp
Standby lamp
HDD2 status lamp
HDD1 status lamp
Reset switch