<p dir="ltr">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. </p>
<p dir="ltr">I'm not sure if this would still apply.</p>
<p dir="ltr">Andrew.</p>
<div class="gmail_quote">On Oct 23, 2013 7:00 AM, "Aslam, Usman" <<a href="mailto:Usman.Aslam@tufts.edu">Usman.Aslam@tufts.edu</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal">Hi fellow Ovirt users,<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">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.<u></u><u></u></p>
<p class="MsoNormal">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.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Screen Shots<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><img width="547" height="69" src="cid:image001.png@01CECF3F.8F96B130"><u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><img width="732" height="103" src="cid:image002.png@01CECF3F.8F96B130"><u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">How would I go about reclaiming deleted blocks?<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">This would speed up the cloning process and obviously use a lot less space.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I goggled but did not find much on the topic except for a similar article for VMware
<a href="http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2014849" target="_blank">
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2014849</a><u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Thank you for your time!<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Usman<u></u><u></u></p>
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