IBM eServer xSeries Configuration And Options Manual page 95

EXP300 One Independent SCSI Bus
SERVER
ServeRAID
3x or 4x
Cable Group A
OR
Selectable Bus Configuration
1 x 14 bays
SCSI IDs 0...14
Order:
• 1 x P/N 19K11xx
1
• 1 x External Cable from Group A
• Up to 14 Ultra2 and/or Ultra160 HDDs
1. One 2 M Ultra2 cable is included with each EXP300. If
a longer cable is desired, select one from cable group A.
EXP300 One Independent Twintail SCSI Bus
High Availability Configuration
To configure as one independent twintailed 13 bay SCSI
bus, attach two external cables from two ServeRAID
adapters, in the same or separate servers, to the two external
ports of the EXP300. The EXP300 must be set for 1 x 14
bays.
SERVER SERVER
ServeRAID ServeRAID
3x or 4x 3x or 4x
ServeRAID
OR
3x or 4x
1
Cable Group A
Selectable Bus Configuration
2
1 x 14 bays
SCSI IDs 0...5, 8...14
Order:
• 1 x P/N 19K11xx
1
• 2 x External Cables from Group A
• Up to 13 Ultra2 and/or Ultra160 HDDs
1. One 2 M Ultra2 cable is included with each EXP300. If a
longer cable is desired, select one from cable droup A.
2. Twintailing reduces the maximum number of HDDs on a
single bus to 13.
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EXP300 Sample Configurations
1
2
EXP300 Two Independent SCSI Buses
To configure as two independent 7 bay SCSI buses,
attach two external cables from two ServeRAID
adapters, in the same or separate servers, to the two
external ports of the EXP300. The EXP300 must be
set for 2 x 7 bays.
SERVER SERVER
ServeRAID ServeRAID
3x or 4x 3x or 4x
ServeRAID
OR
3x or 4x
1
Cable Group A
Selectable Bus Configuration
2 x 7 bays
SCSI IDs 0...6
SCSI IDs 8...14
Order:
• 1 x P/N 19K11xx
1
• 2 x External Cables from Group A
• Up to 14 Ultra2 and/or Ultra160 HDDs
1. One 2 M Ultra2 cable is included with each EXP300. If
a longer cable is desired, select one from cable droup A.
94
Updated
28/02/01