EMC Symmetrix DMX-3

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EMC Symmetrix DMX-3 Product Guide
Symmetrix DMX-3 Hardware
Figure 9 Symmetrix DMX-3 message fabric
DMX-3 midplane
slot configuration
The front of the Symmetrix DMX-3 card cage midplane contains the
channel directors, disk directors, and global memory directors. The
rear card cage midplane contains the adapters, and the
Communications and Environmental Control Module (XCM) pair.
Message
fabric
FE FE
XCM0
FE
FE
FE
FE
XCM1
FE
FE
FE
FE
FE
A B C D
FE
A B C D
Front-end
hannel director
Back-end
disk director
Back-end
disk director
Front-end
cdannel Director
Fabric
Manager