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RE: [Xen-users] Re: Pygrub Installation

  • To: "Christian Tramnitz" <chris.ace@xxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "James Dingwall" <james.dingwall@xxxxxxxxxx>
  • Date: Thu, 13 Aug 2009 12:49:26 +0100
  • Cc:
  • Delivery-date: Thu, 13 Aug 2009 04:50:11 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: AcocCkuoqT2VIYSiSSmJKkwJlhkOBwAAIHDQ
  • Thread-topic: [Xen-users] Re: Pygrub Installation

> James Dingwall wrote:
> >
> > I have made a copy of pygrub with that line removed, running
> > against the rootlv gives
> >
> > /tmp/pygrub /dev/systemvg/domU_rootlv
> > Traceback (most recent call last):
> >   File "/tmp/pygrub", line 675, in <module>
> >     fs = fsimage.open(file, get_fs_offset(file))
> > IOError: [Errno 95] Operation not supported
> >
> Hm, for me that solved the problem, haven't seen Errno 95 for a while.
> Can you mount the lv from dom0 at all? Maybe you're missing the
> filesystem driver on dom0?

Yes, this is fine, rootlv is XFS which is supported in dom0.  Does
pygrub work by mounting the device and then read the files directly or
does it rely on the information written to the MBR/partition to locate
the everything?


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