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From "Musayev, Ilya" <>
Subject RE: Cloudstack System Capacity - VMFS Storage
Date Thu, 10 Oct 2013 15:38:33 GMT

Current solution is to enable storage.overprovisioning.factor in global settings. Long term
solution as per discussion with Edison, who maintains storage framework, is to do real lookup
of actual space.

I'm in exact situation as you are, I've overprovisioned by factor of 20 (maybe an over kill).
I also rely on vSphere monitoring for space alerts.


> -----Original Message-----
> From: Chris Sciarrino []
> Sent: Thursday, October 10, 2013 10:21 AM
> To:
> Subject: Cloudstack System Capacity - VMFS Storage
> Hi,
> I have the situation where I have deployed a fairly large amount instances of
> the same template. This has increased the amount of allocated primary
> storage used to over 2.5 TB . However due to the usage of linked clones I am
> really only using a couple of hundred GB.
> The primary storage type is a VMFS datastore so I do not believe I can
> overprovision it in cloudstack. The problem lies when trying to deploy more
> instances it is failing because the amount I have allocated is over the disable
> threshold even though I have plenty of actual storage left.
> Is there any way around this? Or any way to make cloudstack see the actual
> storage usage on the VMFS datastores?
> Thanks,
> Chris

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