Product data
One Adapter in Each of Two Using Systems Connected to One
2104 (Model DU3 or TU3)
1 SCSI interface card assembly
2 For HACMP configurations in standby or mutual takeover mode:
v PCI Dual Channel Ultra2 SCSI Adapter (type 4-R, feature 6205)
The two adapters must be in separate using systems.
For non-HACMP configurations:
v PCI Dual Channel Ultra2 SCSI Adapter (type 4-R, feature 6205)
v Ultra2 SCSI Integrated Port
Note: In non-HACMP configurations, the connections can be made to two separate using
systems, or to the same using system, but the disk drive modules that are in the 2104
must not be shared.
Attention:
v The SCSI address of the adapter that is connected to the 2104 must be different
from the addresses of the installed disk drive modules. When a second adapter is
connected to a 2104, the SCSI address of that adapter must be different from the
address of the first adapter and the addresses of the installed disk drive modules.
v In the 2104, slots 6 and 7 (SCSI addresses 5 and 6) must contain dummy disk drive
modules.
v The 2104 can contain no more than 12 disk drive modules.
2104 Subsystem
Maximum of 12
disk drive modules
11
Using System
2
Using System
2
Figure 66. One Adapter in Each of Two Using Systems Connected to One (Single-Bus
Mode)
150 2104 Service Guide
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