Dual Domain Cabling Diagrams With D2000/D3000 Disk Enclosures - HP StoreEasy 1000 Getting Started Manual

Figure 11 StoreEasy 1430,1440with the P822 controller in a dual domain
1. D6000 disk enclosure
2. Connection between the P822 and SAS port 1 on the secondary I/O module (Drawer 2)
3. P822 controller
4. Connection between the P822 and SAS port 1 on the primary I/O module (Drawer 2)
5. Connection between the P822 and SAS port 1 on the primary I/O module (Drawer 1)
6. Connection between the P822 and SAS port 1 on the secondary I/O module (Drawer 1)

Dual domain cabling diagrams with D2000/D3000 Disk Enclosures

In dual domain configurations with the D2000/D3000 Disk Enclosures, you have the option of
cabling for best fault tolerance or best performance.
Figure 13 (page 20)
the event of an I/O module failure. The disk enclosures are put into two groups of four disk
enclosures each. There is always one path to the disk enclosure from the controller (from either
the top disk enclosure in the group or the bottom disk enclosure in the group). The green path
carries the data if the red path is broken. Besides a controller failure, the worst case scenario is
losing access to one I/O module if an I/O module fails.
SAS daisy chain between disk enclosures.
18 Setup and install
illustrates best fault tolerance, which provides the best data protection in
Figure 12 (page 19) also illustrates the