max usable cache memory for a single Vmax engine

Question

Just want to understand the following: A single V-max engine comes with two directores and each directore can only have max 64GB memory (so total max 128 GB for a V-max engine). My question:  what is the max usable memory for a single V-max engine? 128GB or only 64GB ( due to they are mirrored between two directores)? thanks long

Fenglin1 · Answer

Yes, the memory is mirrored. you have usable 64GB memory per engine

use SE command to check the usable memory information.

symcfg list -memory

Symmetrix ID : 00029260xxxx
Number of Memory Boards : 4

Slot Number Capacity(MB)

                    6                       28672
                    7                       28672
                    8                       28672
                    9                       28672
                                         --------
                  Total (Usable Cache)      57344
                                         --------

lzhu1 · Answer

thanks

VMAX

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