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NetApp Stage KB

Older files suddenly become inaccessible on Cloud Volumes ONTAP

Last Updated:

Applies to

  • NetApp Cloud Volume ONTAP (CVO)
  • ONTAP 9
  • Microsoft Azure


  • ONTAP 9 - Cloud Volumes system using tiered storage with Azure blobs, some older files become inaccessible while newer files remain accessible.
  • The EMS log contains these errors:
Fri Jul 31 11:42:37 +0100 [HOSTNAME-01: OscHighPriThreadPool:]: Object-store server host name "" cannot be resolved to an IP address on node 2951ce76-083e-12e9-a4b6-000d4a2a9013.
Fri Jul 31 11:42:37 +0100 [HOSTNAME-01: secd: secd.unexpectedFailure:debug]: vserver () Unexpected failure. Error: DNS forward lookup procedure failed [2009 ms] Failed to connect to for DNS via Source Address Operation timed out [ 3069] Failed to connect to for DNS via Source Address Operation timed out [ 3069] Entry for host-name: not found in any of the available sources **[ 3073] FAILURE: Hostname lookup failed with error: hostname nor servname provided, or not known


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