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CSNAPC-9769: SCO backup verification leaves stale export policies on ONTAP

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Issue

SCO backup with verification is successful but leaves behind stale export policies on ONTAP once the clone is deleted after verification completes.
This is observed for a specific configuration in NFS filesystem where user mounts  directly BOTH the volume AND its sub directories on a linux host.
We were able to reproduce the issue in-house by changing the mount configs
Example repro config: 

  • Data vol  svm21/datavol is mounted on /mnt/data on the linux host
  • Create a new directory under datavol(eg- TB1) and mount TB1 directory directly on host under /mnt/TB1
    • svm21/datavol ------- /mnt/data
    • svm21/datavol/TB1 ------- /mnt/TB1
  • create a new tablespace on /mnt/TB1 and register the same to the database
  • Take a new backup with verification of the database from SC
  • Backup with verification completes successfully leaving behind one SC generated Export Policy in ONTAP(1 export policy per extra mount)

 

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