CSM Authorization and CSI Driver Show Snapshot "map Denied"
Summary: Container Storage Modules (CSM) Authorization and Container Storage Interface (CSI) Driver show snapshot "map denied."
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Symptoms
The user is unable to map a PowerFlex snapshot volume. The user is also using CSM Authorization.
level=info msg="/csi.v1.Controller/ControllerPublishVolume: REP 1530058: rpc error: code = Internal desc = error mapping volume to node: map denied"
Cause
Per engineering, CSM Authorization v1.x does not support snapshots. CSM Authorization v2.x does.
Resolution
Follow the Authorization Migration Guide from v1 to v2 in the Container Storage Modules Documentation.
Affected Products
Container Storage ModulesProducts
Container Storage Modules FamilyArticle Properties
Article Number: 000283483
Article Type: Solution
Last Modified: 25 Mar 2026
Version: 4
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