HP ProLiant CL380 Compaq ProLiant CL380 User Guide - Page 229
Server, Node 1, CR3500, Internal Shared Disks, A = Active, P = Passive, Adapter, Host Port 0
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H-6 Compaq ProLiant CL380 User Guide You will notice that in this configuration that although there are two instances of SCSI IDs 2 and 3, one is active and the other is passive (see Figure H-3). This prevents a SCSI ID conflict. It is not possible to configure all four Host I/O Channels to be active. Server Node 1 SCSI Adapter 6 Server Node 2 SCSI Adapter 7 Host 2A 3P Side Host Port 0 Host Port 1 Bus (Channel 0) (Channel 1) CR3500 Disk Drive Bus Side (Channel 2) Bus 2P 3A Host Host Port 0 Host Port 1 Side (Channel 0) (Channel 1) Bus CR3500 Drive Bus Disk (Channel 2) Side Bus A = Active P = Passive Disk Disk Disk Disk Disk Disk Internal Shared Disks Repeater to 4214 External Storage Figure H-3. Active/Active Failover Mode
H-6
Compaq ProLiant CL380 User Guide
You will notice that in this configuration that although there are two instances
of SCSI IDs 2 and 3, one is active and the other is passive (see Figure H-3).
This prevents a SCSI ID conflict. It is not possible to configure all four Host
I/O Channels to be active.
Server
Node 1
CR3500
Host
Side
Bus
Disk
Side
Bus
Host
Side
Bus
Disk
Side
Bus
Internal Shared Disks
SCSI
Adapter
Host Port 0
(Channel 0)
Server
Node 2
SCSI
Adapter
Drive Bus
(Channel 2)
Host Port 1
(Channel 1)
CR3500
Host Port 0
(Channel 0)
Drive Bus
(Channel 2)
Host Port 1
(Channel 1)
Repeater to
4214 External
Storage
Disk
Disk
Disk
Disk
Disk
Disk
6
2A
2P
3P
3A
7
A = Active
P = Passive
Figure H-3. Active/Active Failover Mode