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Re: [Xen-users] loopback domU write


  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Tony Hoyle <tmh@xxxxxxxxxxxx>
  • Date: Tue, 12 Jun 2007 22:30:30 +0100
  • Delivery-date: Tue, 12 Jun 2007 14:28:46 -0700
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Tony Hoyle wrote:
Daniel P. Berrange wrote:
DomU filesystems.  Always use blktap  for file backed guests if you
care about your data in the slightest. BTW is this only a paravirt

Interesting.. I though blktap == lvm..? How do you invoke it for file backed devices?

Ahh scratch that blktap is specifically disabled in the debian kernels - looks like the devs have issues with it as there's a patch to remove it from the xen kernels they ship - http://svn.debian.org/wsvn/pkg-xen/trunk/xen-3.0/debian/patches/blktap-disable.dpatch

I guess they have their reasons.. I'll stick to the standard loopback devices.

Tony

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