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Should you defrag thinly provisioned servers?

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Should you defrag thinly provisioned servers? - 30.Apr.2011 4:16:24 PM   
Scott Lowe

 

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Joined: 13.May2010
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Short answer: Probably not.

For years, physical server administrators have gone through the regular defragmentation regimen. This regular task was intended to maximize the ongoing performance of each server by consolidating and grouping data reads and writes.

However, in today's world of the virtual server, thin provisioning has become a common technique by which administrators leverage storage capacity. As blocks are changed in a thinly provisioned volume, additional space is dedicated to that volume.  The defrag process makes a whole lot of changes to volume blocks and can negate much of the benefit brought my thin provisioning.

So, short answer: Don't defrag your thinly provisioned systems.

Do you have other thoughts or tips about thin provisioning and defragmentation?
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