Contributor
Contributor

Adding a cloned disk becomes thick provisioned

Hi,

I am running ESXi in my home lab. I am using the CLI to clone a server. When I add the disk to a new machine that I cloned from a thin disk, it comes in as thick. It was thin provisioned when the disk was made, The CLI says it is going to be thin. What have I missed? I am taking the clone from a snapshot. Below is the command I used and the result.

[root@localhost:~] vmkfstools -i /vmfs/volumes/Internal_SSD/”Windows 2012 r2 Template”/”Windows 2012 r2 Template_0-000001.vmdk” /vmfs/volumes/USB-Datastore/”Windows 2012 r2 Template”/”Windows 2012 r2 Template.vmdk” -d thin
Destination disk format: VMFS thin-provisioned
Cloning disk ‘/vmfs/volumes/Internal_SSD/Windows 2012 r2 Template/Windows 2012 r2 Template_0-000001.vmdk’…
Clone: 100% done.

This is my version of ESXi

Version:

1.8.0

Build number:

4516221

ESXi version:

6.5.0

ESXi build number:

4887370

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6 Replies
Virtuoso
Virtuoso

Hi,

Read my post about linked-clone machines in ESXi: https://www.teimouri.net/linked-clone-virtual-machine-without-vmware-horizon-view/

** If you found this note/reply useful, please consider awarding points for "Correct" or "Helpful" ** Davoud Teimouri - https://www.teimouri.net - Twitter: @davoud_teimouri Facebook: https://www.facebook.com/teimouri.net/
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Contributor
Contributor

Hi,

I appreciate the feedback, but I don't understand where the linked clones comes in? This is a full clone of a thin disk. Did I miss something?

Best wishes

Michael

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Hot Shot
Hot Shot

Hi,

Can you to try add the bus logic at the end of vmkfstools and see if it works?

Cloning and converting virtual machine disks with vmkfstools (1028042) | VMware KB

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Contributor
Contributor

Thanks for the feedback. I am trying that, but get an Extra argument at the end of the command line error. I am using the following

vmkfstools -i /vmfs/volumes/Internal_SSD/"Windows 2012 r2 Template"/"Windows 2012 r2 Template_0-000001.vmdk" /vmfs/volumes/USB-Datastore/"Windows 2012 r2 Template"/"Windows 2012 r2 Template.vmdk" -d thin -a buslogic

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Contributor
Contributor

Hi,

Just another update. I have cloned a disk from the SSD to the SSD. Still the same result.

I noticed that the disk is thin provisioned after the clone according the datastore, see attached screenshot. If I check the size on the datastore it is the full 40GB on the datastore. The Hardware Configuration says it is thin, see attached screenshot.

Best wishes

Michael

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Hot Shot
Hot Shot

Hi Mic,

Have you changed any configuration in vmdk file?

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