Rackable Systems OMNISTOR 4000f SERIES, User Manual

Page: 52 / 112

Chapter 3 - Setup and Installation
JBOD (OmniStor 4000F)
40
Single or Multiple Host with Redundant Loops Configuration
The following diagrams depict independent hosts access to Loop A and Loop B for the
two banks of six drives.
1
Set the jumper (JP3) on the Disk IO card to enable split bus operations.
Loosen the two captive fastener screws for the Disk I/O card and remove it from the
enclosure. Located the jumper JP3 and add the jumper to both pins. The default position
is the offset position.
Disk I/O Card
2
Set the jumper (JP4) on the Disk I/O card(s) to configure the bus speed mode.
Locate the JP4 jumper and position the jumper for the desired speed setting. Install
the jumper on one pin only for 2 Gb mode or install it on both pins for 1 Gb mode.
Disk I/O Card Jumper Settings for the OmniStor 4000F Series
JUMPER INSTALLED BOTH PINS INSTALLED ONE PIN (OFFSET)
JP1 Wahoo Controllers Only * Non-Wahoo Controllers
JP2 Wahoo Controllers Only * Non-Wahoo Controllers
JP3 Split Bus Mode
JBOD Enclosures Only * Single Bus Mode
JBOD Enclosures
JP4 1 Gb/sec Bus Speed Mode * 2 Gb/sec Bus Speed Mode
* indicates default setting
D1
DISK I/O
D2
OK
OK
2G
Fibre Disk IO LRC
P/N 08-9-96318001
A/W Re
v-1
INST
ALL JUMPERS 1 & 2
FOR HARD
WARE
FAILURE DETECT
ADD JUMPER FOR
1G OPERA
TION
JP1
JP4
JP3
JP2
ADD JUMPER FOR
SPLIT B
US MODE
FC-AL Loop Port
Loop Status LED
2 Gb/1 Gb Mode LED
Install Jumper JP3 on both
pins for Split Bus mode, and
offset or on one pin only for
Single Bus mode.
Install Jumper JP4 on
both pins for 1Gb mode,
and on one pin only for
2 Gb mode.
Jumpers JP1 and JP2
are applicable to Wahoo
controllers only, for all
other controllers the
jumpers should be offset
or installed on one pin only.