3-45
Installing the DuraStor Storage Subsystem
Note:
Ports P1 and P3 are on one loop, and P2 and P4 are on
another loop.
Figure 3-40 Active-Active Single-Port, Hubs Enabled Logical Connections
Figure 3-41 Active-Active Single-Port Cabling Diagram
P2
FC2
FC1
FC2
FC1
Controller 2
DuraStor FC RAID Appliance
Controller 1
CH0
CH0
CH1
CH1
CH2
CH2
CH3
CH3
CH0
CH1
CH2
CH3
P1
P3
P4
Passive
Active
Active
Passive
HUB
HUB
Up to 12 Disk Drives
Up to 12 Disk Drives
Up to 12 Disk Drives
Up to 12 Disk Drives
Host System #1 HBA #1
Host System #2 HBA #2
Host System #1 HBA #2
Host System #2 HBA #1
FC PORTS
T
T
T
T
T= Location of internal termination.
PHYSICAL
DRIVE CHANNELS
FC PORTS
PHYSICAL
DRIVE CHANNELS
ACTIVE
ACTIVE
FC HBA 1
(Soft ID)
P3
P1
P2
P4
FC HBA 2
(Soft ID)
Fibre data cables
DuraStor FC RAID Appliance
P-2
P-1
P-3
P-4
Disk CH 2
Disk CH 1
Disk CH 3
Disk CH 0
Serial A
Serial B
Ext
Int
Second
Host Computer
First
Host Computer
FC HBA 2
(Soft ID)
FC HBA 1
(Soft ID)
DuraStor IUG.book Page 45 Wednesday, January 30, 2002 10:49 AM