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NetApp Stage KB

Trident issued NAS economy PVs appears to export to the other K8b or OC cluster

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Category:
astra_trident
Specialty:
SNAPX
Last Updated:

Applies to

Trident for Kubernetes/Openshift until 20.01

Issue

When using ontap-nas-economy from two Trident using Kubernetes or Openshift clusters on the same SVM, the base volume on which such a PV is created may have the export from the other cluster, causing "access denied" errors in the created pod.
 
For example, the SVM has two volumes created through ontap-nas-ecnomy, with one cluster having the export of one and one having the export of the other:
trident_qtree_pool_trident_XGNOGQKASX, exported with policy ClusterA
trident_qtree_pool_trident_ZGKVFHAMCS, exported with policy ClusterB
 
The new PV created by Trident for Cluster A is created as a QTree with quotas on trident_qtree_pool_trident_ZGKVFHAMCS with its own ClusterA export.
Since the export goes through the root export of the volume, exported to ClusterB only, access from Cluster A nodes is denied.

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