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@netapp-ci-release netapp-ci-release released this 27 Feb 01:56
v26.02.0
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Learn about vigilant mode.

Changes since v25.10.0

Trident

IMPORTANT: There is a known issue with the csi-snapshotter sidecar. In all versions of Kubernetes VolumeGroupSnapshots v1beta1 will not allow VolumeSnapshots to become ReadyToUse. There are 2 workarounds:

  • Delete VolumeGroupSnapshots CRDs, which will disable VolumeGroupSnapshots, and reinstall Trident.
  • Install VolumeGroupSnapshots v1beta2 and snapshot-controller v8.4.0 or later, and reinstall Trident. VolumeGroupSnapshots will not function on Kubernetes versions lower than v1.34.

Fixes:

  • Kubernetes: Fixed an issue where unpublishing a read-only clone removed export policy rules from the source volume in ONTAP-NAS, ONTAP-NAS-Economy, and GCNV drivers (Issue #1086).
  • Kubernetes: Switched kubectl images from deprecated Bitnami to lightweight Alpine-based variants to prevent pull failures following Bitnami's public image deprecation (Issue #1080).
  • Kubernetes: Allow clone across different storage classes if both storage classes are pointing to the same backend (Issue #1104).
  • Kubernetes: Fixed node prep failures caused by timeouts in cloud environments with network latencies. Increased timeout values for cloud-based installations
  • Kubernetes: Fixed an issue in LUN creation that caused the filesystem type attribute to remain unset when the process entered a retry state
  • Kubernetes: Fixed REST API volume lookup to ignore volume state, preventing false negatives during volume queries.
  • Kubernetes: Improved Trident controller efficiency for ontap-nas-economy driver when used at scale.
  • Kubernetes: Set internalID during LUN import in ontap-san-economy driver.
  • Kubernetes: Increased Azure Resource Graph query limits to handle more subnets.
  • Kubernetes: Improved CSI and ONTAP clone split timeouts to avoid race conditions with some backup applications (Issues #1098, #1100).
  • Kubernetes: Fixed suppression of LUKS error messages (Issue #1069).
  • Kubernetes: Fixed handling of stale LUKS mappers for both iSCSI and NVMe protocols. Enhanced cleanup logic prevents mount failures from orphaned device mappers.
  • Fixed scale limitations for RWX NVMe volumes.
  • Updated package "telemetry/opentelemetry-go" to fix CVE-2026-24051.

Enhancements:

  • Kubernetes: Added support for Kubernetes 1.35.
  • Kubernetes: Concurrency support for ONTAP-NAS (NFS only), ONTAP-SAN (iSCSI, FCP), ONTAP-SAN (NVMe) and GCNV drivers is now generally available (GA), graduated from Tech Preview.
  • Kubernetes: Added support for volume autogrow in Trident based on user-defined Trident AutoGrow Policies.
  • Kubernetes: Added support for VolumeGroupSnapshot for ontap-san (NVMe/TCP), in addition to existing support for ontap-nas (NFS), ontap-san (iSCSI and FC), and ontap-san-economy.
  • Kubernetes: Enhanced Trident node concurrency for higher scalability of node operations for NVMe volumes.
  • Kubernetes: Added support for GCNV NAS volume auto-tiering via PVC annotations (tieringPolicy, tieringMinimumCoolingDays), with pool selection and clone inheritance.
  • Kubernetes: Added support for GCNV SAN block (iSCSI) volumes via the google-cloud-netapp-volumes-san driver, including provisioning, per-node host group mapping for LUN access, and clone-from-volume for Flex pools.
  • Added support for automatic backend configuration for AWS FSxN drivers.
  • Added support for different Azure clouds (e.g. Azure Government, Azure China) and custom cloud configuration for azure-netapp-files (ANF) backends (Issue #632).
  • Kubernetes: Trident preserves annotation of existing deployment during upgrade (Issue #1004).

Experimental Enhancements:

NOTE: Not for use in production environments.

  • [Tech Preview] Added support for concurrency for ONTAP-NAS-Economy and ONTAP-SAN-Economy drivers.

Trident Protect

Fixes:

  • Fixed sorting of Kubernetes resources for restore operations.
  • Handled non-unique IDs during restores.
  • Fixed cluster name in tridentctl-protect output.
  • Fixed Kopia restore errors being ignored.
  • Fixed app definition when it has no included PV.
  • Fixed restoring of 2 PVCs with same name in 2 different namespaces.

Enhancements:

  • Ability to define execHooks in CR spec.
  • Added data-mover-timeout-sec annotation to schedule CR.
  • Allowed destination app name to be specified during restore operations.
  • Allowed schedule to create a snapshot immediately rather than wait for first occurrence.
  • Schedules are now disabled during IPR operations and re-enabled when complete.
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