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[Xen-users] Re: Will this work? (Zeroing free space)

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Aleix Dorca <adorca@xxxxxx>
  • Date: Fri, 21 Aug 2009 11:41:55 +0200
  • Delivery-date: Fri, 21 Aug 2009 02:43:16 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Thanks for your comments. I see that Martii you do almost exactly as I do. It's good to know it works as intended.

I've also tried sdelete on a small VM and the backup has dropped from 5.6Gb to 3.4Gb on a 30Gb partition disk. Quite impressive.

I've just also found "zerofree". A linux utility I didn't know about that zeros free space on ext2/3 filesystems. The device has to be unmounted though.

Thanks again.


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