Figure 12 StoreEasy 1630, 1640 with the P822 controller in a dual domain configuration
(best fault tolerance)
1. Group 1 of 4 D2600 disk enclosures
2. Group 2 of 4 D2600 disk enclosures
3. Connection from the P822 controller to port 1 of I/O module B on the bottom D2600 in Group 1
4. P822 controller
5. Connection from the P822 controller to port 1 of I/O module B on the bottom D2600 in Group 2
6. Connection from the P822 controller to port 2 of I/O module A on the top D2600 in Group 2
7. SAS daisy chain – port 1 of I/O module B on the top D2600 connects to port 2 of I/O module B on the bottom
D2600 and port 1 of I/O module A on the top D2600 connects to port 2 of I/O module A on the bottom D2600
8. Connection from the P822 controller to port 2 of I/O module A on the top D2600 in Group 1
Dual domain cabling diagrams with D2000/D3000 Disk Enclosures 19
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