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[Xen-users] Zerofree ?

  • To: Xen Users <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "Guilherme E.J." <guilherme.e@xxxxxxxxx>
  • Date: Mon, 10 Jan 2011 14:53:10 -0200
  • Delivery-date: Mon, 10 Jan 2011 09:03:34 -0800
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>


I've some xen servers, running virtual machines that uses raw images. Actually, we've been spending a lot of time moving volumes locally to free up disk space, because this kind of image doesn't shrink volumes automatically.

I took a look in zerofree website, and it looks to work well, but the author of the patch said that this extra work will hurt disk performance.

Someone uses zerofree ? Is it really hurt disk performance?



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