HP StoreEasy 1000 Administrator's Manual page 30

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5. Connection from P822 controller to port 2 of I/O module A on the top disk enclosure in Group 2

6. Connections between the disk enclosures in Group 2

7. Connections between the disk enclosures in Group 1

An alternate way of connecting the D2000 disk enclosures to the P822 controller is to have 4

groups of 2 disk enclosures each. This cabling option provides better fault tolerance because the

worst case scenario (besides a controller failure) is losing access to two disk enclosures if one disk

enclosure goes down. In Figurexx, the worst case scenario is losing access to all four disk enclosures

in a group if one disk enclosure goes down.

NOTE:

The cabling diagram in

cabling is exactly the same for the HP StoreEasy 1430 and 1830 using the P822 controller.

Installing and configuring the storage system

Figure 27 (page 31)

illustrates the HP StoreEasy 1630 but the

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