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ONTAP Select thin NFS vmdk file size keeps growing

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35
Visibility:
Public
Votes:
0
Category:
ontap-select
Specialty:
cloud
Last Updated:

Applies to

  • ONTAP Select
  • NFS
  • VMware
  • Virtual Storage Console (VSC)

Issue

Thin provisioned NFS VMDKs will grow over time despite free space already reclaimed inside OTS:

cluster01--1::> df -h fg*
Filesystem               total       used      avail capacity  Mounted on                 Vserver
/vol/fg_nfs/             972GB      621MB      972GB       0%  /fg_nfs                    svm1
/vol/fg_nfs/.snapshot     51GB       30MB       51GB       0%  /fg_nfs/.snapshot          svm1


[root@rhel1 ~]# df -h /mnt/fg_vol
Filesystem            Size  Used Avail Use% Mounted on
10.61.79.130:/fg_nfs  973G  622M  973G   1% /mnt/fg_vol

[root@esxi1:~] du -ah /vmfs/volumes/datastore-nfs6/cluster01-01
79.6G   /vmfs/volumes/datastore-nfs6/cluster01-01/cluster01-01_1-flat.vmdk
4.0K    /vmfs/volumes/datastore-nfs6/cluster01-01/cluster01-01_1.vmdk

[root@esxi2:~] du -ah /vmfs/volumes/datastore-nfs7/cluster01-01
90.4G   /vmfs/volumes/datastore-nfs7/cluster01-01/cluster01-01_1-flat.vmdk
4.0K    /vmfs/volumes/datastore-nfs7/cluster01-01/cluster01-01_1.vmdk

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