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DuraStor 412R/6320SS/7320SS Installation and User’s Guide
Basic Active-Active Dual-Port Topology
Choose this topology when your application requires a high-
performance, robust, full system-level fault-tolerant disk storage
solution. This dual controller configuration supports multiple
hosts and failover and failback operations. All LUNs are available
to all hosts.
Connect the fibre channel data cables as shown in
Figure 2-29 Logical Diagram – Dual Host, Dual HBAs, Hubs Enabled
Figure 2-30 Host Cabling Diagram – Dual Host, Dual HBAs, Hubs Enabled
Host System #2 HBA #1
Host System #1 HBA #2
Host System #2 HBA #2
Host System #1 HBA #1
Host I/O
Connectors
RAID Controller
SEP
Controller 1
SAF-TE Disk I/O
Disk
CH1
Drives 7 - 12
Drives 1 - 6
Disk
CH2
Disk
CH0
Disk
CH3
FC2
FC1
P1
P2
CH 1
CH 2
P3
P4
Active
Active
RAID Controller
Controller 2
Disk
CH1
Disk
CH2
Disk
CH0
Disk
CH3
FC2
FC1
Active
Active
SEP
I/O Card
CH 0
CH 3
HUB
HUB
Termination
Termination
Termination
Termination
Termination
Termination
Host I/O
DuraStor IUG - Online.book Page 24 Friday, July 19, 2002 3:06 PM