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NFS VAAI: Thick provisioned eager zeroed disks created through NFS take up double space

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Category:
ontap-9
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virt
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Applies to

  • Data ONTAP 8
  • ONTAP 9
  • VMware
  • VAAI

Issue

  • When thick provisioned, eager zeroed disks are created through NFS, they take up twice as much space as requested.

EXAMPLE:

Filesystem              kbytes       used      avail   reserved  Mounted on

/vol/storeA_DR/     3060164200 1536703196 1523461004  762157916  /vol/storeA_DR/

/vol/storeA_DR/.snapshot  161061272      36912  161024360          0  /vol/storeA_DR/.snapshot

 

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