Dell SC8000, Руководство по развертыванию

Страница: 77 / 218

Connect SC200/SC220 Enclosures
Dell Compellent 67
Dual Controllers, One Enclosure, Single Chain, Low Profile SAS
This illustration shows two SC8000 controllers cabled to two 6 Gb enclosures using a low
profile SAS IO card in a low profile card slot and creating a single chain.
Figure 66. Dual SC8000 Controllers, One Enclosure, One Chain, Low Profile SAS
Note: In a single ‐ chain configuration, use SAS ports 2 (initiator) and 4 (target) to
create a redundant IPC connection. When you configure these ports using the IO
port wizard, set the port Purpose to Unknown .
Path Connections
IPC 1 Controller A: slot 3, port 2
→
Controller B: slot 3, port 4.
2 Controller B: slot 3, port 2
→
Controller A: slot 3, port 4.
Chain 1: A Side 1 Controller A: slot 3, port 1
→
Enclosure: top EMM, port A.
2 Enclosure: top EMM, port B
→
Controller B: slot 3, port 3.
Chain 1: B Side 1 Controller B: slot 3, port 1
→
Enclosure: bottom EMM, port A.
2 Enclosure: bottom EMM, port B
→
Controller A: slot 3, port 3.
Enclosure
Controller A
Controller B
A
A B
B
4
3
2 1