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Status Under review
Workspace IBM Storage Virtualize / FlashSystem
Created by Guest
Created on Sep 15, 2025

RELATED IDEAS

Allowing a host to be a member of multiple host_clusters

Our strategic FlashSystem customers has requested an enhancement to improve flexibility in their environment. Today, a host can only be associated with a single host_cluster, which limits certain operational scenarios. The 1:1 restriction creates administrative overhead and forces customers to implement workarounds (individual mappings, oversized host_clusters). For a better customer experience, it would be very valuable to support the capability of assigning a single host to multiple host_clusters simultaneously.

Please consider adding support in IBM Spectrum Virtualize / FlashSystem to allow one host to be part of multiple host_clusters, while maintaining compatibility with existing multipathing and host access control mechanisms.

Idea priority High
  • Guest
    Dec 7, 2025

    Backup proxy servers need to access every volume in different clusters. It would be more easy, than using private mapping. 

    Reply
  • Admin
    Philip Clark
    Sep 26, 2025

    A host cannot be a member of more than one cluster. Can you provide an example or a use case where the same host is part of multiple clusters?

    1 reply

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