IBM Power Ideas Portal
Hide about this portal


This portal is to open public enhancement requests against IBM Power Systems products, including IBM i. To view all of your ideas submitted to IBM, create and manage groups of Ideas, or create an idea explicitly set to be either visible by all (public) or visible only to you and IBM (private), use the IBM Unified Ideas Portal (https://ideas.ibm.com).


Shape the future of IBM!

We invite you to shape the future of IBM, including product roadmaps, by submitting ideas that matter to you the most. Here's how it works:

Search existing ideas

Start by searching and reviewing ideas and requests to enhance a product or service. Take a look at ideas others have posted, and add a comment, vote, or subscribe to updates on them if they matter to you. If you can't find what you are looking for,

Post your ideas

  1. Post an idea.

  2. Get feedback from the IBM team and other customers to refine your idea.

  3. Follow the idea through the IBM Ideas process.


Specific links you will want to bookmark for future use

Welcome to the IBM Ideas Portal (https://www.ibm.com/ideas) - Use this site to find out additional information and details about the IBM Ideas process and statuses.

IBM Unified Ideas Portal (https://ideas.ibm.com) - Use this site to view all of your ideas, create new ideas for any IBM product, or search for ideas across all of IBM.

ideasibm@us.ibm.com - Use this email to suggest enhancements to the Ideas process or request help from IBM for submitting your Ideas.

Add a new idea Subscribe
Status Submitted
Workspace AIX
Created by Guest
Created on Nov 1, 2024

RELATED IDEAS

Backport PCM FPIN congestion mechanism to AIX 7.2

See this idea on ideas.ibm.com

We have noticed that in an environments with FPIN notifications enabled and high read rates and a larger storage throughput capacity that host ingestion capacity, the behaviour of AIX 7.3 and AIX 7.2 are quite different, leading in AIX 7.2 to scenarios where the path selection policy may lead to IO requests egressing only via one interface as the other paths are marked as LCn and eventually lose the Selected status.

The mechanism in AIX 7.3 of reducing the requests (https://www.ibm.com/support/pages/fpin-els-displaying-congestion-statistics-mpio-device-paths-managed-aix-73-default-pcm) does not lead to the same critical impact.

This Rfe would be for backporting the FPIN congestion support and behaviour improvements in lsmpio and the PCM from AIX 7.3 to AIX 7.2 

Idea priority Medium

By clicking the "Post Comment" or "Submit Idea" button, you are agreeing to the IBM Ideas Portal Terms of Use.
Do not place IBM confidential, company confidential, or personal information into any field.