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Disk Expansion – Daisy-Chaining
1
Set the jumper (JP4) on the Disk I/O card installed in the expansion
enclosure.
Loosen the two captive fastener screws on the Disk I/O card and pull it from
the daisy-chain enclosure using the fastener screws. Locate the jumper JP4
and position it for the desired speed setting, (installed on one pin only for 2
Gb mode and on both pins for 1 Gb mode).
Disk I/O Card Jumper Settings for the NexStor 4000F Enclosures
JUMPER
JP1
JP2
JP3
JP4
* indicates default setting
2
Re-install the Disk I/O card. Repeat step 8 for the second Disk I/O card.
3
Set the SES Controller Card switches in the daisy-chain enclosure. Refer to the
illustration below. See "SES Controller Card Switch Setting Overview" on
page 56 for additional enclosure settings.
Switch Settings
S
A
A
A
S
B
D
R
D
D
D
P
P
D
L
M
0
1
2
0
1
R
Y
T
UP (1)
1 2 3 4 5 6 7 8
DOWN (0)
SES Controller Card Switch Settings (Daisy Chain Enclosure)
4
Cable the daisy-chain enclosure to the primary RAID enclosure.
a
Connect a data cable from the "D2" connector on the upper Disk I/O
card installed in the primary RAID enclosure to the "D1" connector on
the upper Disk I/O card installed in the daisy-chain enclosure. Refer to
the cabling illustration below.
INSTALLED BOTH PINS
RAID Controller Systems Only
RAID Controller Systems Only
Split Bus Mode
JBOD Enclosures Only
1 Gb/sec Bus Speed Mode
Slot 1
Slot 4
ID 16
Slot 2
Slot 5
ID 17
Slot 3
Slot 6
ID 24
Chapter 3 - Setup and Installation
INSTALLED ONE PIN (OFFSET)
* Not Applicable
* Not Applicable
* Single Bus Mode
RAID Enclosures and Daisy
Chain JBOD Enclosures
* 2 Gb/sec Bus Speed Mode
IDs Assigned to Disk Slots
Slot 7
Slot 10
ID 20
ID 18
ID 22
Slot 8
Slot 11
ID 19
ID 23
ID 21
Slot 9
Slot 12
ID 25
ID 27
ID 26
Disk Expansion – Daisy-Chaining
95
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