[Users] Reclaim deleted blocks from thin provisioned vdisk

[Andrew Lau]

I remember doing something similar. I ended up writing 0s to the thin drive
and it removes the required space and let's you do the sparse copies.

I'm not sure if this would still apply.

Andrew.
On Oct 23, 2013 7:00 AM, "Aslam, Usman" <Usman.Aslam at tufts.edu> wrote:

>  Hi fellow Ovirt users,****
>
> ** **
>
> I have a situation where I need to clone a database VM several times. I
> have a 200GB thin allocated vdisk associated with it which had a large
> database on it.****
>
> I have since truncated several tables, removed bin logs etc. and reduced
> the disk usage to about 26GB. But the Ovirt UI still shows actual size at
> 185GB.****
>
> ** **
>
> Screen Shots****
>
> ** **
>
> ****
>
> ** **
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> ****
>
> ** **
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> How would I go about reclaiming deleted blocks?****
>
> ** **
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> This would speed up the cloning process and obviously use a lot less space.
> ****
>
> ** **
>
> I goggled but did not find much on the topic except for a similar article
> for VMware
> http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2014849
> ****
>
> ** **
>
> Thank you for your time!****
>
> ** **
>
> Usman****
>
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>
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