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From Mike Tutkowski <>
Subject XenServer Question
Date Thu, 03 Oct 2013 17:47:48 GMT

On one of my SRs, I see the following information:

100.2 GB used of 200 GB total (100 GB allocated)

Can someone explain how 'used' can be larger than 'allocated'?

On storage systems I've worked on before, 'allocated' is generally
synonymous with 'reserved' or 'provisioned'. On these systems, 'used' is
always less than or equal to 'allocated'. Typically 'used' is less than
'allocated' because as 'used' approaches 'allocated', 'allocated' is
expanded (until it runs into 'total').


*Mike Tutkowski*
*Senior CloudStack Developer, SolidFire Inc.*
o: 303.746.7302
Advancing the way the world uses the

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