One Adapter in Each of Two Using Systems Connected to One2104 Model DU3
1 SCSI interface card
2 For HACMP configurations in standby or mutual takeover mode:
vPCI Dual-Channel Ultra2 SCSIAdapter (type 4-R, feature 6205)
The two adapters must not be in the same using system.
vPCI Dual-Channel Ultra3 SCSIAdapter (type 4-Y, feature 6203)
The two adapters must not be in the same using system.
Note:
For non-HACMP configurations:
vPCI Dual-Channel Ultra2 SCSIAdapter (type 4-R, feature 6205)
vPCI Dual-Channel Ultra3 SCSIAdapter (type 4-Y, feature 6203)
vUltra2 SCSI Integrated Port
Note: In non-HACMP configurations, connections can be made to two separate
using systems, or to the same using system. Connection can be to an Ultra2 SCSI
integrated port or to an Ultra2 SCSI connector on the SCSI adapters listed.Access
to the disks in the 2104 cannot be shared.
Attention: This 2104 configuration is not supported on the Linux operating system.
Attention:
vThe 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.
vIn each 2104, slots 6 and 7 (SCSI addresses 5 and 6) must contain dummy disk
drive modules.
vEach 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
Figure32. One Adapter in Each of Two Using Systems Connected to One 2104 Model DU3
(Single-Bus Mode)
46 2104 Model DU3 Installation Guide
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