Portworx CSI 26.1 is now GA

Portworx Releases
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We are announcing the general availability of Portworx CSI 26.1.0 – a new version of the CSI driver that includes several new features and capabilities designed to integrate further with FlashArray (FA)/FlashBlade (FB) features, provide better volume placement control and extend resiliency, manageability of Portworx CSI (PX-CSI).

New Features:

  • FlashArray ActiveCluster - Allows Kubernetes workloads to use synchronous, active‑active replication of FADA volumes across two FAs, with CSI‑level lifecycle management.
  • Importing Existing Volumes - Import existing FA/FB volumes and file directories as PVCs, including those created by Fusion.
  • Volume Placement Control - Allows customers to choose which FA a PVC lands on, by targeting a specific FlashArray pod from Kubernetes.
  • Subnet aware iSCSI login - Ensures each iSCSI initiator interface only logs in to FA targets within the same subnet, preventing cross-subnet connection attempts.
  • FlashBlade//EXA Support - Support for FB //EXA filesystems with PX-CSI.
  • CLI Support - Provides secure, remote access to Portworx services. Customers can manage PX-CSI operations and get administrative control over CSI-specific features.

Usage Instructions:

  • PX-CSI 26.1.0 release can be accessed through the PX Central. Generate PX-CSI Spec using Generate PX-CSI Spec page on PX Central.

  • Installation: Installation instructions for PX CSI can be found under the Install Portworx CSI section of our online documentation for Portworx CSI.

  • Upgrade: Customers can seamlessly upgrade their Kubernetes clusters running PX Essentials or older versions of PX-CSI 25.x to PX-CSI 26.1.0 by following these Upgrade PX-CSI instructions.

Additional Resources:

For further details on the new features and their implementation, please refer to

Acknowledgements:

We would like to thank everyone within the engineering, support, technical program management, product management, product marketing, finance and technical product specialist teams who contributed to this release.

Please let us know if there are any questions or feedback. Thanks!