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xen-users
Re: [Xen-users] boot issue
On Sun, 2011-06-12 at 12:27 -0800, Jon wrote:
> On Sun, 2011-06-12 at 00:01 -0400, Todd Deshane wrote:
> > On Fri, Jun 10, 2011 at 8:16 AM, Ottó Ursinyi <oursinyi@xxxxxxxxx> wrote:
> > > Hi There,
> > >
> > > I am beginer in xen and I faced with the following problem: I installed a
> > > lucid as guest and it worked fine. But last week occurred a power cut and
> > > the lucid did not start after we get the power back. I tried to start it
> > > manually, but in the console I get this message:
> > >
> > > libudev: udev_monitor_new_from_netlink: error getting socket: Invalid
> > > argument
> > > mountall:mountall.c:3204: Assertion failed in main: udev_monitor =
> > > udev_monitor_new_from_netlink (udev, "udev")
> > > init: mountall main process (570) killed by ABRT signal
> > > General error mounting filesystems.
> > >
> > > What can I do with this? How can I start again this guest?
> > >
> >
> > You might be able to mount the guest disk image or partition outside
> > of Xen in your dom0 and fix the file system manually, then be sure to
> > umount the image or partition before trying to boot the guest.
> >
> > Hope that helps.
> >
> > Thanks,
> > Todd
>
> Another idea would be to use an iso for a distro that has a recovery
> method in the boot options, such as Fedora, as the disk. Then you boot
> into recovery mode and mount the filesystem and fix it that way. This is
> nice because it does all the work of mounting the partitions for you.
>
> Jon
I found my post to a users list that explains this a little better: :-)
"Here is the trick I used to get at my LVs in my xen host without
having to rename and dance with initrd.
virt-install -n FC64Rescue -r 1024 --disk
path=/dev/xenvg/lvLinux-1 --hvm --livecd --cdrom
/mnt/apps/ISO/Fedora-12-x86_64-DVD.iso --force
I created a VM using the --livcd flag in virt-install and pointed at
the "disk" I wanted to repair. When the VM boots it acts just like a
livecd and I can choose to repair a file system. Because I pointed it
at my LV, /dev/xenvg/lvLinux-1, it finds the disk and mounts it under
/mnt/sysimage. I can then go in and repair the file system or whatever
else needs to be done."
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
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