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RAID Mode Switches M2, M1, M0 (SW1:3 – SW1-5)
The RAID Mode switches define what type of RAID will be initialized when
the unit is powered up while the RAID Mode button is held down. Each type
of RAID has different properties and requirements, as follows:
1 Audible alarm is recommended at all times.
2 EZ mode has no effect in JBOD mode.
3 Disabling EZ for RAID 0 and LARGE is strongly recommended.
JBOD Mode (Individual Drives)
Number of drives: at least 1
Unit capacity: N/A (100% of each individual drive)
Spares: no
Fault tolerance: none
JBOD mode offers all connected units to the host adapter, no RAID is defined
at all.
NOTE: JBOD mode requires a SATA controller featuring Port Multiplier
support for eSATA connections.
NOTE: Optical drives can only be configured as JBOD using an eSATA
connection.
RAID 0 (Stripe set)
Number of drives: at least 2
Unit capacity: size of each member times number of members.
Spares: no
Fault tolerance: none - if any member is lost all data is lost.
RAID 0 “stripes” the file system across the array by placing sectors of data
sequentially between drives in a specific order.
Dipswitch Posion 1 2 3 4 5
Raid Mode
BZS
1
EZ
M2
M1
M0
JBOD (Individual
drives)
* FACTORY DEFAULT
SETTING
OFF OFF
2
OFF OFF OFF
0
OFF
ON
3
ON
ON
ON
1 or 10
OFF
OFF
ON
ON
OFF
3
OFF
OFF
ON
ON
OFF
5
OFF
OFF
OFF
ON
OFF
CLONE
OFF
OFF
OFF
ON
ON
LARGE
OFF
ON
ON
OFF
ON