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Hello,

I'm pushing further my investigation, research in testing Xen VM's.

I have a Xen kernel 4.0 working on Debian squeeze distro.

I have 2 Debian and 1 Ubuntu PV DomU running, all using the LVM partition (/dev/sda2). Finally got bridged network from/to my DomU's.

I want to test windows as well as a HVM DomU.

For this purpose I followed following Tutorial:

http://wiki.xen.org/wiki/Xen_Beginners_Guide

First I created # lvcreate -nwindows -L20G Esp-Virt, logical volume
and then I need to configure a file http://www.virtuatopia.com/index.php/Installing_and_Running_Windows_7_as_a_Xen_HVM_domainU_Guest

in my windows7.cfg i got:

kernel = "/usr/lib/xen-4.0/boot/hvmloader"
   builder='hvm'
   memory = 1048
   vcpus=2
   name = "win7"
   vif = ['bridge=xenbr0']
   disk = ['phy:/dev/Esp-Virt/,sda,w','/media/cdrom0,scd0:cdrom,r']
   acpi = 1
   device_model = 'qemu-dm'
   boot="d"
   sdl=0
   serial='pty'
   vnc=1
   vnclisten=""
   vncpasswd=""

I get an error upon xm create windows7.cfg, I tried with hda/sda/ sda2, etc but none worked:
# Block device must have physical details specified !!
I got also # Error: Disk image does not exist : /media/cdrom0 when I put other details for the disk stanza.
I read that 'file' can be used other than 'phy' but in my case, lvm for the storage and cdrom for the source I guess it is not a choice.
I suspect the disk line to be misconfigured. both 'phy' and '/media' stanza are gibberish I'm afraid, I guess!
So I would like to know what would I detail in this line. I provide with a maximum of info related i.o You to propose me the better configuration, considering following:
Do not hesitate to ask me providing more details as necessary, as here is all the personal insight I have.

About the windows cdrom from which to pull the data, the name of it is "Windows 7 AiO v5".

Other following details I use: lvm vg=Esp-Virt , lv=windows (see above),

# fdisk -l
   Device Boot      Start         End      Blocks   Id System
/dev/sda1   *           1       33814   271607808    7 HPFS/NTFS
/dev/sda2           33815       37638    30716280   83 Linux                // This is the LVM/PV storage area
/dev/sda3           37639       38914    10243073    5 Extended
/dev/sda5   *       37639       38855     9774080   83 Linux                // This is the Host
/dev/sda6           38856       38914      467968   82 Linux swap / Solaris

Disk /dev/dm-0 ranging to dm-6                                         //     /dev/dm-6 has 16,3G un/allocated and is intended to invite the windows HVM.
ranging: there are several other virtual partitions upon xm lvcreate. All advice: Disk /dev/dm-[0-6] doesn't contain a valid partition table. I ignore this message. Set me upright again if I misexplain, I consider that the LVM partitiion, here with mentioned, is never formated and/but offers variable automatic allocation for the lv created in it as long as the pv can allow.

# mount
/dev/sda5 on / type ext3 (rw,errors=remount-ro)
/dev/sr0 on /media/cdrom0 type udf (ro,noexec,nosuid,nodev,user=dorian)         // this is good to know about for the media my windows data rely on

# cat /etc/fstab
/dev/scd0       /media/cdrom0   udf,iso9660 user,noauto     0       0                    // same as previous

Best regards,

[Xen-users] settings for create Windows7.cfg file / for this HVM DomU, usage with lvm partition and booted from cdrom drive