FW V06.XX/HAFM SW V08.02.00 HP StorageWorks SAN High Availability Planning Guide (AA-RS2DD-TE, July 2004)

Table Of Contents
Planning Considerations for Fibre Channel Topologies
96 SAN High Availability Planning Guide
Figure 39: 2-by-14 Core-to-Edge fabric
Subject to large fabric design constraints, core-to-edge fabrics are easy to scale
through the addition of core elements. Figure 40 illustrates a core-to-edge fabric
topology with four core directors and twelve edge directors and switches
(4-by-12 topology).
T
M
T
M
T
M
T
M
T
M
T
M
T
M
E
RR
P
W
R
R
S
T
1
0
/1
0
0
T
M
P
W
R
E
R
R
1
0
24
6
8
10
1
2
1
4
1
6
1
8
2
0
2
2
2
4
2
6
2
8
3
0
3
5
7
9
11
1
3
1
5
1
7
1
9
2
1
2
3
2
5
27
2
9
31
R
S
T
1
0
/
1
0
0
T
M
P
W
R
E
R
R
1
0
2
4
6
8
1
0
1
2
1
4
1
6
1
8
2
0
2
2
2
4
2
6
2
8
3
0
3
5
7
9
11
1
3
1
5
1
7
1
9
2
1
2
3
2
5
27
2
9
3
1
R
S
T
1
0
/
1
0
0
T
M
E
RR
P
W
R
R
S
T
1
0
/
1
0
0
T
M
T
M
E
R
R
P
W
R
R
S
T
1
0
/
1
0
0
T
M
P
W
R
E
R
R
1
0
2
4
6
8
1
0
1
2
1
4
1
6
1
8
2
0
2
2
2
4
2
6
2
8
3
0
3
5
7
9
11
1
3
1
5
1
7
1
9
2
1
2
3
2
5
2
7
2
9
3
1
R
S
T
1
0
/
1
0
0
T
M
P
W
R
E
R
R
1
0
2
4
6
8
1
0
1
2
1
4
1
6
1
8
2
0
2
2
2
4
2
6
2
8
3
0
3
5
7
9
11
1
3
1
5
1
7
1
9
2
1
2
3
2
5
2
7
2
9
3
1
R
S
T
1
0
/
1
0
0
T
M
ER
R
P
W
R
R
S
T
1
0
/
1
0
0
T
M
Interswitch Link
Fabric Connection
Tier 2 Devices
Edge
Switches
Edge
Switches
Tier 1
Device
Core
Director
Tier 1
Device
Tier 2 Devices
Core
Director