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Hostname does not resolve in Azure CVO

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cloud-volumes-ontap-cvo
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Applies to

  • Cloud Volumes ONTAP
  • BlueXP
  • Azure
  • Page blobs

Issue

  • Raid status of a data aggregate shows tier_unavailable.
  • After setting up private endpoints to storage accounts, DNS and objstore.host.unresolvable errors began to spam frequently.
[?]  Tue Jan 07 14:20:11 +0000 [node-01: OscHighPriThreadPool: objstore.host.unresolvable:error]: Object-store server host name "storageaccountname.blob.core.windows.net" cannot be resolved to an IP address on node xxxxxx.
 
[?]  Tue Jan 07 00:42:25 +0000 [node-01: secd: secd.unexpectedFailure:error]: Unexpected SecD failure in Vserver "admin". Details: Error: DNS forward lookup procedure failed   [ 39 ms] Entry for host-name: storageaccountname.blob.core.windows.net not found in any of the available sources **[    49] FAILURE: Hostname lookup failed with error: Name does not resolve

Cause

  • When aggregate was created in BlueXP, BlueXP created it's own Private DNS zone in Azure different from what was primarily used.
  • The storage account DNS was not listed in Recordsets for the proper Private DNS zone.

Solution

 Add missing Recordsets for affected storage accounts to proper Private DNS zone.

Note: DNS Recordset may need to be added to Local DNS Server in DNS Manager.

Partner Notes

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Additional Information

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Internal Notes

 
Resolution for case 2010284751 was to add missing Recordsets for affected storage accounts to proper Private DNS zone.

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