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VMware eager zeroed thick (EZT)disk not taking up volume space

  1. Last updated
    Mar 18, 2024
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Category:
ontap-9
Specialty:
virt
Last Updated:
3/18/2024, 8:15:08 PM

Applies to

  • VMware NFS datastore
  • ONTAP Storage efficiency
  • Thin provisioned volume

Issue

  • VMware eager zeroed thick (EZT)disk not taking up thin provisioned volume space
  • ONTAP command shows a discrepancy in space reservation when VMs are created with eager zero(EZT) and lazy zero thick (LZT)disk types on a thin volume.

cluster1::> df -V -g -volume vol_eager*
Filesystem               total       used      avail capacity  Mounted on                 Vserver
/vol/vol_eager_thin/      10GB        0GB        9GB       0%  /vol_eager_thin            svm1_cluster1  

cluster1::> df -V -g -volume vol_lazy*
Filesystem               total       used      avail capacity  Mounted on                 Vserver
/vol/vol_lazy_thin/       10GB        5GB        4GB      50%  /vol_lazy_thin             svm1_cluster1

 

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