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Tiered snapshot data is not reclaimed after deleting snapshots

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Category:
ontap-9
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CORE
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Applies to

  • ONTAP 9
  • FabricPool

Issue

  • A volume with the snapshot-only  tiering policy has over 27.5TB tiered to the FabricPool bucket.
  • Looking at the snapshot used space, the volume has less than 300GB of snapshots:

cluster1::> df -h vol1

Filesystem                     total       used      avail  capacity  Mounted on                  Vserver
/vol/vol1/                     40.83TB     39.86TB   991.42GB    98%  /vol1                       vol1
/vol/vol1/.snapshot              0B        267.65GB     0B      0%   /vol1/.snapshot              vol1

2 entries were displayed.

  • Deleting snapshots does not reclaim data in the bucket.

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