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IBM System Storage Ideas Portal


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Status Planned for future release
Created by Guest
Created on May 30, 2023

GPFS client support larger memory address space

Currently GPFS client can use upto 1TB address space, but now GPU servers already configured with 2TB memory, and 3T, 4T memory in future.

the address space below 1TB might be used by vfio, for nic, gpu passthrough, so GPFS client has very little address space for 'shared segment' memory pool, cause metadata IO got ' cannot alloc memory' error.

we request GPFS client support upto 2TB address space at least, 4TB is better.

Idea priority High