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VMWare ESXi 5 VM: reclaim storage within disk (OS ok, VMWare NOK)


Please see screenshot below, if I set the size of the vm (via vcenter) it doesn't resize to 24 GB (thick provisioned). In VCenter I change the size to 24 GB but it doesn't take that (though no error).
I did a storage vmotion (to thin, to thick, doesn't matter) but size doesn't change.

Please advise howto reclaim this storage.
1 Solution
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
I assume you are trying to shrink the virtual disk, so that the 5.95 GB unformatted disappears?

one of the only supported methods to reclaim storage is to use VMware vCenter Converter Standalone and create a V2V. When creating the V2V through the options you will have control over the new size of the OS Partition and virtual disk.

see my EE Articles

HOW TO:  Synchronize changes when completing a P2V or V2V with VMware vCenter Converter Standalone 5.1

HOW TO:  P2V, V2V for FREE - VMware vCenter Converter Standalone 5.1

HOW TO: Improve the transfer rate of a Physical to Virtual (P2V), Virtual to Virtual Conversion (V2V) using VMware vCenter Converter Standalone 5.0
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