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Status Functionality already exists
Workspace IBM Storage Virtualize / FlashSystem
Created by Guest
Created on Jul 13, 2026

RELATED IDEAS

CSI driver with RWX permission

we have a large VMware environment that uses an IBM FS7300 storage system as the primary storage for virtual machines.

We have recently started using Kubernetes together with Persistent Volumes. However, the native CSI driver only supports RWO (ReadWriteOnce) access mode.

We would greatly appreciate it if the dedicated CSI driver for the IBM FS7300 storage system could support RWX (ReadWriteMany) capabilities as well. This functionality would be highly valuable for our Kubernetes workloads and would significantly improve our ability to run applications that require shared storage access across multiple pods and nodes.

Idea priority High
  • Guest
    Aug 6, 2026

    CSI driver already supports RWX - this can be used with Scale/Fusion Access or OpenShift Virtualization.

    https://www.ibm.com/docs/en/stg-block-csi-driver/1.12.0

    You cannot directly mount raw block storage as RWX - RWX requires a filesystem to handle the locking.

    Reply
  • Guest
    Jul 13, 2026

    This capability fully unlocks the core strength of IBM Storage Scale as a cluster file system, enabling seamless collaboration and data consistency across containerized applications.

    Reply
  • Guest
    Jul 13, 2026

    If it would be available without need to have Filesystem on top (Scale and Scale CSI Driver)  it would be great

    Reply

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