ONTAP Discussions

Thin_Provisioning

prince

Hi All,

 

I need to know that If a volume is thin but the contained LUN in it has  a space reservation or say is thick then how would ONTAP provision the space.

 

Regards,

Manish

1 ACCEPTED SOLUTION

JSHACHER11

 

 suppose you have a 100GB volume with one, 50GB LUN in it

 

 - if the volume is thick provisioned, 100GB worth of blocks are set aside (reserved) for that volume by the aggregate

 - if the volume is thin provisioned and the LUN has reservation enabled, 50GB worth of blocks are set aside (reserved) for that LUN by the aggregate

 - if both, the volume and the LUN are thin provisioned, blocks are provided to the LUN as required/requested (up to 50GB - given that there is enough space in the aggregate)

View solution in original post

3 REPLIES 3

JSHACHER11

 

 suppose you have a 100GB volume with one, 50GB LUN in it

 

 - if the volume is thick provisioned, 100GB worth of blocks are set aside (reserved) for that volume by the aggregate

 - if the volume is thin provisioned and the LUN has reservation enabled, 50GB worth of blocks are set aside (reserved) for that LUN by the aggregate

 - if both, the volume and the LUN are thin provisioned, blocks are provided to the LUN as required/requested (up to 50GB - given that there is enough space in the aggregate)

View solution in original post

excellent answer... hope that helps...

prince

Thanks for the response 🙂

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