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What is the Support Statement for dNFS on Data ONTAP 7-Mode and clustered Data ONTAP FAS?

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Applies to

  • dNFS for Oracle RDBMS
  • Data ONTAP 7-Mode
  • Clustered Data ONTAP

Answer

NetApp supports the use of the Oracle dNFS clients.

Major issues and workarounds:
Important known Bug fixes for Direct NFS for Oracle RDBMS are listed below:

  1. Oracle BUG 16038929:

There is a performance degradation for multiblock reads when using Direct NFS, as Direct NFS fragments reads into multiple single block reads. These reads are not fragmented if the OS NFS client is being used. This patch resolves the issue.

  1. Oracle BUG 19296923 :

        This patch fixes Oracle 12c crash because of network interruption.

Best Practices :

For maximum performance and stability, NetApp recommends to install all patches affecting Direct NFS described in Oracle document 1495104.1 for Oracle RDBMS.