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Druva Documentation

NAS backup fails with Authorization Error for Dell Isilon NAS Device

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Problem description

  • NAS backup fails with Authorization Error for Dell Isilon NAS Device as the NAS proxy will call Isilon metadata API on the directories/files to identify which files are stub files. 
  • We do not backup the stub files by default because there are symlink or soft link files which don't contain the data, it only refers to the data.
  • Stub files will not get backup and agent will skip these files for default behaviour. 
  • By default the value of parameter STUB_BACKUP_ENABLED is false in Phoenix.cfg of NAS proxy. 

Cause

Dell Isilon NAS Device doesn't have the CloudPool License

Verification

Verify value of parameter(STUB_BACKUP_ENABLED) in Phoenix.cfg of NAS proxy

Resolution

  • Users can make the changes in Phoenix Configuration(Phoenix.cfg) file of NAS Proxy to skip the STUB file stat command to avoid identifying the STUB files. 
  • Follow below steps:
    • Login to NAS proxy
    • Edit Phoenix.cfg file 
    • Change the value of below parameter to True from False
      STUB_BACKUP_ENABLED = True.
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