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Status Future consideration
Workspace PowerVC
Created by Guest
Created on Apr 5, 2023

Seperate Storage connectivity group(s) for Boot vs DATA volumes

Currently per VM in PowerVC, only one Storage connectivity group is supported

The impact of this is that the same storage type (SSP/VSCSI/NPIV/ISCSI) must be used for all volumes in a Virtual Machine

We have many Clustered VM's were we need to have seperate Storage connectivity group(S) per volume type (Boot/Data/CLusterData) 

The lack of this prevents LPM's or remote restarts of LPAR's using multiple via PowerVC and instead must be done via the HMC and then manualy re-importing the VM to PowerVC as a hack


Using multiple storage types on an LPAR is and has been supported since Power5 or earlier and a common deployment is root volume on VSCSI/SSP and data volumes on NPIV 


Openstack supports this concept, IBM just needs to enable the functionality via GUI or CLI

Recomendation would be to change Storage connectivity group setting from a VM setting to a per volume setting 


Idea priority Urgent
  • Guest
    Jul 4, 2023
    Thank you for your suggestion - we will consider this for a future release.
  • Guest
    Apr 5, 2023

    This would be a sensible extension of the GU interface. It has been available via HMC and CLI for a while; why not in the PowerVC, which is intended to ease deployment and change tasks?