On Fri, Dec 18, 2009 at 12:50:24PM +0530, Tanuj Bansal wrote:
> Yes, I know to use kpartx and it is easy but need to know this
> also...please let me know...where is attached device
I have never seen anyone doing this, so I don't know if it's supported.
> On Fri, Dec 18, 2009 at 12:47 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
> On Fri, Dec 18, 2009 at 12:33:37PM +0530, Tanuj Bansal wrote:
> > I have one domU using the disk file tanuj.dsk
> > [root@tanuj-xen-new virtual]# cat /etc/xen/tanuj
> > name = "tanuj"
> > uuid = "3d9ab75d-e08f-bac9-b56c-1cd6a43d1e35"
> > maxmem = 300
> > memory = 300
> > vcpus = 4
> > bootloader = "/usr/bin/pygrub"
> > on_poweroff = "destroy"
> > on_reboot = "restart"
> > on_crash = "restart"
> > vfb = [ ]
> > disk = [ "tap:aio:/virtual/tanuj.dsk,xvda,w",
> "phy:/dev/sda11,xvdb,w" ]
> > vif = [ "mac=00:16:3e:32:e9:5f,bridge=xenbr0" ]
> > [root@tanuj-xen-new virtual]#
> > and this domU has disk /dev/xvda1 mounted at /boot
> > [root@tanuj ~]# df -h /boot
> > Filesystem Size Used Avail Use% Mounted on
> > /dev/xvda1 99M 13M 81M 14% /boot
> > [root@tanuj ~]#
> > now I am trying to attach that /dev/xvda1 on my dom0
> > # xm block-attach 0 tanuj.dsk /dev/xvda1 w 0
> > Now I can see the attached device in xm list --long
> > But I am not able to locate that disk /dev/xvda1 on my dom0 and how
> can i
> > mount it even if my domU is down
> > I know that the /dev/xvda1 data can be taken by using losetup and
> > but need to know about this
> Why do you need this? just use kpartx (no need for losetup), it's much
> easier and it works.
> -- Pasi
> Visible links
> 1. mailto:pasik@xxxxxx
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