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Status Future consideration
Workspace IBM Spectrum Virtualize / FlashSystem
Created by Guest
Created on May 10, 2023

RELATED IDEAS

Unique identifier for virtualized Spectrum Virtualize products to allow better integration with VMWare

VMWare users who are virtualizing multiple different models of Spectrum Virtualize controllers behind SVC have no way of differentiating these at the VMWare as they are all presented of type "2145" or "SVC". This means that different round-robin policies that are recommended by IBM for different storage systems cannot be easily applied.


The redbooks advise this to be done using a claim rule but that would end up applying to all models and may not be what is required.


The request is that the claim rule can be written based on the full MTM of the system or the GUID of the storage device.


The policy can be updated manually for each volume individually but that relies on a manual step and for systems with 100s of hosts and 100s of volumes this leads to additional workload and possibility of error.

Idea priority Medium
  • Guest
    Reply
    |     May 10, 2023

    This is especially valid for new Arrays which should be set to SSD within Vmware, this task cannot be performed on any volume which is already attache to ESXi and therefore should be set as part of a claims rule.

    Using the 2145 in your claims rule will tell vmware that all SVC based systems are in fact flash based and this will lead to performance degradation on the older non flash arrays.


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