HP P6300 HP P6300/P6500 EVA Installation Guide (5697-2485, September 2013) - Page 71

Connecting P65x0 EVA controllers to the disk enclosures (2C6D)

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Connecting P65x0 EVA controllers to the disk enclosures (2C6D) Y-cables (see Figure 56 (page 71)) are used to connect the P65x0 and enable each controller port to act as two ports. The Y-cables provide connectivity to each SAS domain (indicated as DP-1 and DP-2 on the cables in the diagrams). The Y-cable connector labeled item 3 in Figure 56 (page 71) is the input to a controller port. The two connectors labeled item 4 in the figure are outputs to a disk enclosure port. Each individual connectivity point from the Y-cable is the start of a SAS domain (P1 and P2 in Figure 56 (page 71)). Figure 56 P65x0 Y-cable 1. Pull tab (may also be a release bar) 3. Controller connector 2. Port number label 4. Disk enclosure connectors 1. Divide the disk enclosures into two groups. The first group contains the disk enclosures below the controller enclosure (domain DP-1); the second group contains the disk enclosures above the controller enclosure (domain DP-2). 2. Connect the top and bottom disk enclosures in each SAS domain. As shown in Figure 57 (page 72), there are two redundant paths in each SAS domain. In SAS domain DP-1, the first redundant path is port P1 of I/O module A on the top disk enclosure and port P2 of I/O module A on the bottom disk enclosure. The second redundant path is P1 of I/O module B on the top disk enclosure and P2 of I/O module B on the bottom disk enclosure. The same redundant paths are made in SAS domain DP-2. Connecting P65x0 EVA controllers to the disk enclosures (2C6D) 71

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Connecting P65x0 EVA controllers to the disk enclosures (2C6D)
Y-cables (see
Figure 56 (page 71)
) are used to connect the P65x0 and enable each controller port
to act as two ports. The Y-cables provide connectivity to each SAS domain (indicated as DP-1 and
DP-2 on the cables in the diagrams). The Y-cable connector labeled item 3 in
Figure 56 (page 71)
is the input to a controller port. The two connectors labeled item 4 in the figure are outputs to a
disk enclosure port. Each individual connectivity point from the Y-cable is the start of a SAS domain
(P1 and P2 in
Figure 56 (page 71)
).
Figure 56 P65x0 Y-cable
2. Port number label
1. Pull tab (may also be a release bar)
4. Disk enclosure connectors
3. Controller connector
1.
Divide the disk enclosures into two groups. The first group contains the disk enclosures below
the controller enclosure (domain DP-1); the second group contains the disk enclosures above
the controller enclosure (domain DP-2).
2.
Connect the top and bottom disk enclosures in each SAS domain. As shown in
Figure 57 (page
72)
, there are two redundant paths in each SAS domain. In SAS domain DP-1, the first
redundant path is port P1 of I/O module A on the top disk enclosure and port P2 of I/O
module A on the bottom disk enclosure. The second redundant path is P1 of I/O module B
on the top disk enclosure and P2 of I/O module B on the bottom disk enclosure. The same
redundant paths are made in SAS domain DP-2.
Connecting P65x0 EVA controllers to the disk enclosures (2C6D)
71