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NDMP backups failing with buffer full message on the Commvault

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ndmp
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dp
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Applies to

  • ONTAP 9
  • NDMP
  • CommVault

Issue

  • NDMP backups failing with buffer full message.
  • Following log is seen on the CV side:

INFO: buffer full for ndmp_io_process

  • From the NDMP debug logs we see multiple attempts to send file history, which fails with "buf stream hit the watermark" message

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