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Status Submitted
Workspace PowerVM
Created by Guest
Created on Nov 3, 2025

RELATED IDEAS

IBM Idea: Simplify SR-IOV VF Deconfiguration for Adapter Replacement

IBM Idea: Simplify SR-IOV VF Deconfiguration for Adapter Replacement

Title:
Automated or Centralized Deconfiguration of SR-IOV Virtual Functions (VFs) Across LPARs for Adapter Maintenance

Description:
In environments using SR-IOV with vNICs and redundant SEAs, replacing a failing physical adapter still requires manual deconfiguration of each Virtual Function (VF) on every affected LPAR. While redundancy ensures service continuity, the process of freeing the adapter for replacement is time-consuming and error-prone.

In a recent case, we had to manually deconfigure VFs on 7 LPARs – manageable in this instance. However, on other adapters with 40+ VFs across 40 LPARs, this would be extremely complex and operationally risky.

Proposal:
Introduce a centralized or automated method (via HMC or VIOS command interface) to:

  • Identify all LPARs using VFs from a specific physical adapter

  • Deconfigure or migrate those VFs in bulk

  • Optionally, trigger failover or reconfiguration of SEAs as part of the workflow

Benefits:

  • Greatly reduces operational effort and risk during adapter replacement

  • Improves serviceability and uptime in large-scale Power environments

  • Enhances automation and consistency in SR-IOV management

Target Components:

  • HMC

  • PowerVM / VIOS

  • SR-IOV / vNIC management tools

Idea priority High
  • Guest
    Dec 8, 2025

    Great idea and also supporting this.

    Reply
  • Guest
    Nov 20, 2025

    agree, such a feature would prevent potential errors and thus increases reliability.

    Reply
  • Guest
    Nov 20, 2025

    fully agree with Andre....that would be a great thing and advantage for customer as well for technician

    Reply
  • Guest
    Nov 20, 2025

    fully supporting this... it would also speedup SSRs waiting time for work done by UNIX admin (before and after adapter was physically replaced).  

    Reply

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