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IBM System Storage Ideas Portal


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Status Future consideration
Created by Guest
Created on Oct 25, 2022

Add read MB/s metric for Vc and Vcc

The original IDEA/RFE was this one "Add support for stage/destage metrics in MB/s"

https://ibm-sys-storage.ideas.ibm.com/ideas/SSI-I-51


Destage metrics were added (Fast-Write Writes Vc and Vcc), but stage/read MB/s metrics were not added for Vc and Vcc.


These metrics are derivable from the Spec V XML stats, our internal support tools does derive it. It would be nice if this capability was added to SI.


These metrics are especially useful for debugging flashcopy performance issues and storage vmotion performance issues. (Because we would be able to see read workload that is generated above upper cache and lower cachethat does not come directly from a host).

Idea priority Medium