EMC Symmetrix DMX-3

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EMC Symmetrix DMX-3 Product Guide
Introducing the Symmetrix DMX-3
Global memory
requirements
The Symmetrix DMX-3 is available with global memory capacity
ranging from 16 GB to 512 GB (256 GB effective). The total global
memory requirement for a Symmetrix DMX-3 is based upon specific
system configurations and customer requirements. Besides the
customer’s applications, other variables that affect the amount of
global memory a Symmetrix DMX-3 requires include the following:
◆ Number of global memory directors
◆ Variable back-end disk director and front-end channel director
board configurations
◆ Various loop configurations for disk drives
◆ Number of disk drives
◆ Disk capacity, including speed and protection type
◆ Number of logical volumes
Your local EMC Sales Representative will assist you in determining
your global memory requirements.
Note: “Global memory directors” on page 83 provides additional
information on memory configurations.