2
Table of Contents
GENERAL INFORMATION ...................................................................................................................... 4
COPYRIGHT ............................................................................................................................................................ 4
NOTICES
AND
CLASSIFICATIONS ................................................................................................................. 4
CONTACT
US .......................................................................................................................................................... 4
INTRODUCTION ........................................................................................................................................ 6
F
EATURES
.................................................................................................................................................................. 6
S
YSTEM
R
EQUIREMENT
........................................................................................................................................... 7
PC ................................................................................................................................................................................... 7
MAC ............................................................................................................................................................................... 7
O
PTIONAL
A
CCESSORIES
......................................................................................................................................... 7
P
ACKAGE
C
ONTENTS
............................................................................................................................................... 7
SYSTEM UNIT VIEWS .............................................................................................................................. 8
F
RONT
V
IEW
............................................................................................................................................................. 8
R
EAR
V
IEW
................................................................................................................................................................ 8
T
OP
&
C
OVER
V
IEW
(E
XPOSED
) ........................................................................................................................... 9
INSERTING/REPLACING THE HARD DRIVES IN THE RAID SYSTEM .................................... 10
CONNECTING THE RAID SYSTEM TO A COMPUTER .................................................................. 16
C
ONNECTING
M
ULTIPLE
D
EVICES
...................................................................................................................... 18
RAID MODES ........................................................................................................................................... 19
RAID
M
ODE
C
OMPARISON
L
IST
......................................................................................................................... 19
RAID
0
(S
TRIPING
) .............................................................................................................................................. 20
RAID
1
(M
IRRORING
) ......................................................................................................................................... 21
RAID
5 ................................................................................................................................................................... 22
RAID
5
+
H
OT
S
PARE
........................................................................................................................................... 23
RAID
0+1 .............................................................................................................................................................. 24
SETTING/CHANGING THE RAID MODE & NUMBER OF HDDS (MANUALLY) .................... 25
RAID
SWITCH ..................................................................................................................................................... 27
HD
S
WITCH
............................................................................................................................................................ 27
NUMBER OF DISKS SUPPORTING EACH RAID MODE ............................................................... 28
HDD SLOT NUMBER ............................................................................................................................. 28
HDD ALLOCATION ................................................................................................................................ 29
LED INDICATORS .................................................................................................................................. 30
P
OWER
LED
X
1 .................................................................................................................................................... 30
RAID
A
LERT
LED
X
1 .......................................................................................................................................... 30
HDD
LED
X
8 ........................................................................................................................................................ 30
SAFE REMOVAL OF THE RAID SYSTEM ......................................................................................... 31
EXTERNAL BOOTUP ............................................................................................................................. 31
PC ................................................................................................................................................................................. 32
Summary of Contents for DM4
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