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Re: [Xen-users] Windows guest, swap space, separate disk?

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Brandon Lamb <brandonlamb@xxxxxxxxx>
  • Date: Wed, 17 Mar 2010 22:36:00 -0700
  • Delivery-date: Wed, 17 Mar 2010 22:38:55 -0700
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On Wed, Mar 17, 2010 at 10:23 PM, Nathan Eisenberg
<nathan@xxxxxxxxxxxxxxxx> wrote:
> First and foremost - I believe LVM's are faster than disk images, so if 
> you're looking for performance, I would start there.
> Best Regards,
> Nathan Eisenberg

Im actually running the disk images on top of lvm partitions, but this
particular use case requires file based disks for our customer,
basically a reseller of our service. He wants to offer HIS customers
the ability that if they blow up their windows xp box, he can just
relaunch the vm pointing to the backup disk image.

To do this, it seemed much easier to be able to do a cp live-disk.img
backup-disk.img versus doing a dd or ? to create a backup.

Hm actually does anyone have any input on that? is "cp file1 file2"
faster than a "dd if=/dev/volumes/file1 of=/dev/volumes/file2"?

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