Usin
g
the Front Panel for Operations
52
W
hen errors occur during RAID5 or RAID6 operation, the HDD errors in the follo
w
ing ta
b
le are displayed.
W
hen one HDD has errors ([1do
w
n]) in RAID5 mode, the data on the remaining HDDs can
b
e read and recovery is possi
b
le.
W
hen t
w
o HDDs have errors ([2do
w
n]) in RAID6 mode, the data on the remaining HDDs can
b
e read and recovery is possi
b
le.
W
hen any errors occur on an HDD, replace the effected HDD as soon as possi
b
le.
For details refer to the operating instructions for the extension unit.
*Contact your dealer for information on replacing HDDs.
HDD Error Recovery (Durin
g
RAID Operation)
Important:
•
RAID5 mode
Data cannot
b
e recovered
w
hen t
w
o or more HDDs have errors ([2 do
w
n]) or
w
hen an HDD has errors during recovery.
•
RAID6 mode
Data cannot
b
e recovered
w
hen three or more HDDs have errors ([3 do
w
n]) or
w
hen an HDD has errors during recovery.
Data source
Durin
g
HDD error (malfunction)
Durin
g
recovery
Recorder/
Extension
unit
LCD
•
RAID 1 DO
W
N:
[1do
w
n]
•
RAID 2 DO
W
N:
[2do
w
n]
•
RAID 3 DO
W
N (only
w
hile in RAID6
mode):
[3do
w
n]
Note:
•
Only extension units are sho
w
n.
HDD access indicator
Lights red:
Errors have occurred on HDD
(Data can
b
e recovered
b
y replacing the
HDD)
•
W
hen in RAID5 mode, the first HDD has
errors
•
W
hen using RAID6, the first t
w
o HDDs
have errors
Blinks red:
Errors have occurred on HDD
(Data cannot
b
e recovered even if HDD is
replaced)
•
W
hen in RAID5 mode, the second HDD
has errors
•
W
hen in RAID6 mode, the third HDD
has errors
Alternating orange/red
HDD
b
eing recovered in RAID5/RAID6
Recorder
[Error Log]
Refer to the Operating
Instructions (PDF file) for
more information.
•
RAID 1 DO
W
N
Recorder: MAIN RAIDm 1 DO
W
N
Extension unit: EXTu RAIDm 1 DO
W
N
•
RAID 2 DO
W
N
Recorder: MAIN RAIDm 2 DO
W
N
Extension unit: EXTu RAIDm 2 DO
W
N
•
RAID 3 DO
W
N
Recorder: MAIN RAID6 3 DO
W
N
Extension unit: EXTu RAID6 3 DO
W
N
m: Operational mode
u: Unit num
b
er
RAID recovery failure
•
Recorder
MAIN RAIDm RECO
V
ERY FAILURE
•
Extension unit
EXTu RAIDm RECO
V
ERY FAILURE
m: Operational mode
u: Unit num
b
er
ND400_Basic.book 52 ページ ２００８年７月１０日 木曜日 午前１０時５０分
Summary of Contents for WJND400 - NETWORK DISK RECORDER
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