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TSM snapdiff backups are failing when using VSADMIN role

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Applies to

  • ONTAP 9
  • Storage virtual machines (SVM, formerly known as Vservers)
  • IBM Spectrum Protect backup-archive 8.1.10 (formerly TSM "Tivoli Storage Manager")
  • Snapdiff incremental backups

Issue

  • Snapdiff backups are failing to start on the Data SVM level (using snapdiff user with vsadmin role)
  • A Snapdiff backup operation is failing with a TSM error:

ANS2839E Failed with ONTAPI error 'Authorization failed' while connecting to NetApp Filer 'filer-host'' using user id 'snapdiff-user'. You might have provided credentials incorrectly for this Filer.
ANS2832E Incremental by snapshot difference failed for \\xxx\yyy.
A client service trace shows the following error:
[xxx] : ..\..\common\hci\NAHWInterface.cpp(6062): naEstablishConnection():system-get-version: failed: rc=10061, reason='Can't connect to host (err=10061).'

 

  • Backups are working fine when targeting the Admin-SVM's  cluster management LIF (using snapdiff user with Admin role)

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