162 EMC VNX8000 Hardware Information Guide
Eight- and sixteen-bus DAE cabling
Upgrading an eight-bus system to a sixteen-bus system
An eight-bus VNX8000 system with 6-Gb/s SAS I/O modules in slots 5 and 10 of Storage
Processors A and B supports up to eight loops using standard x4 SAS cables.
Table 57 describes the 6-Gb/s SAS I/O module slot, port, back-end loop or bus number,
and cable label color for an eight-bus system.
As described in Table 57, the resulting numbering scheme for an eight-bus VNX8000
shipped from the factory is shown in Figure 131 on page 163 and Figure 132 on page 164.
These figures show the 6-Gb/s SAS I/O module slot location, port location in the I/O
module, and the cable with cable labels from the I/O module side to the LCC side on the
respective DAE.
◆ “Slot 5 (eight-bus) configuration” on page 163
◆ “Slot 10 (eight-bus) configuration” on page 164
Table 57 An eight-bus VNX8000 scenario
I/O module slot
number Port
Back-end
loop #
SP A an B cable labels
(white w/black text)
Back-end loop cable
label colors
500SP A SAS 5 Port 0
SP B SAS 5 Port 0
Orange
511SP A SAS 5 Port 1
SP B SAS 5 Port 1
Blue
522SP A SAS 5 Port 2
SP B SAS 5 Port 2
Black
533SP A SAS 5 Port 3
SP B SAS 5 Port 3
Green
10 0 4 SP A SAS 10 Port 0
SP B SAS 10 Port 0
Brown
10 1 5 SP A SAS 10 Port 1
SP B SAS 10 Port 1
Cyan
10 2 6 SP A SAS 10 Port 2
SP B SAS 10 Port 2
Purple
10 3 7 SP A SAS 10 Port 3
SP B SAS 10 Port 3
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