Adaptec 412R User Guide - Page 38

Basic Active-Passive Dual-Port Topology

Page 38 highlights

Setting Up Your Storage Subsystem CH 1 CH 2 Basic Active-Passive Dual-Port Topology Choose this topology when your application requires a highavailability, high-access, fault-tolerant disk storage solution. This dual controller configuration supports multiple hosts and failover and failback operations. All LUNs are available to all hosts. The dual host configuration is ideal for shared storage clustering. Connect the fibre channel data cables as shown in Figure 2-31 and Figure 2-32. Host System #1 HBA #1 Host System #1 HBA #2 Host I/O P1 P2 P4 P3 RAID Controller HUB FC1 Active Disk CH1 HUB FC2 Active Disk CH2 Disk CH0 Disk CH3 Controller 1 Drives 7 - 12 Drives 1 - 6 SEP Termination SEP SAF-TE Disk I/O Termination Host I/O Connectors RAID Controller FC1 Passive Disk CH1 Termination FC2 Passive Disk CH2 Termination Disk CH0 Termination Controller 2 Passive Disk CH3 Termination I/O Card Figure 2-31 Logical Diagram - Single Host, Dual HBAs, Hubs Enabled CH 0 CH 3 FC HBA 2 Host Computer #1 FC HBA 1 Fibre Channel Data Cable Connect to P1 Fibre Channel Data Cable Connect to P2 Power Power Supply Supply Cooling Fans SAFTE Disk I/O Chl 1 I/O Chl 2 Chl 0 Chl 3 Host I/O P1 P2 P4 P3 RAID Controller RAID Controller Ctlr 1 SAF-TE Ctlr 2 Figure 2-32 Host Cabling Diagram - Single Host, Dual HBAs, Hubs Enabled 2-25

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2-25
Setting Up Your Storage Subsystem
Basic Active-Passive Dual-Port Topology
Choose this topology when your application requires a high-
availability, high-access, fault-tolerant disk storage solution. This
dual controller configuration supports multiple hosts and failover
and failback operations. All LUNs are available to all hosts. The
dual host configuration is ideal for shared storage clustering.
Connect the fibre channel data cables as shown in
Figure 2-31
and
Figure 2-32
.
Figure 2-31
Logical Diagram
Single Host, Dual HBAs, Hubs Enabled
Figure 2-32
Host Cabling Diagram
Single Host, Dual HBAs, Hubs Enabled
Host System #1 HBA #2
Host System #1 HBA #1
Host I/O
Connectors
RAID Controller
SEP
Controller 1
SAF-TE Disk I/O
Disk
CH1
Disk
CH2
Disk
CH0
Disk
CH3
FC2
FC1
P1
P2
CH 1
CH 2
P3
P4
Active
RAID Controller
Controller 2
Passive
Disk
CH1
Disk
CH2
Disk
CH0
Disk
CH3
FC2
FC1
Passive
Active
SEP
I/O Card
CH 0
CH 3
Passive
HUB
HUB
Drives 7 - 12
Drives 1 - 6
Termination
Termination
Termination
Termination
Termination
Termination
Host I/O
SAFTE Disk I/O
Ctlr 1
Ctlr 2
SAF-TE
RAID Controller
Power
Supply
Power
Supply
Cooling
Fans
Host I/O
Chl 1
Chl 2
Chl 0
Chl 3
I/O
P4
P3
P2
P1
Host Computer #1
FC HBA 1
FC HBA 2
Fibre Channel Data Cable
Connect to P1
Fibre Channel Data Cable
Connect to P2
RAID Controller