Re: [Xen-users] Mounting Xen LVM Guests

[Fabian Zimmermann <xen-users@xxxxxxxxxxxxxxxxx>]

Eredicator X schrieb:
> Thanks Fajar,
>
> ----- "Fajar A. Nugraha" <fajar@xxxxxxxxx> wrote:
>
>> I don't think that's true.
>> When using virt-install, the LV will be treated as a whole disk. Thus
>> it
>> may have partitions, or even PV/LV inside it.
>
> Yes it does and that is what I was using kpart for.

To mount it, you need to calc your offset, try something like:

# fdisk -l -u /dev/lvmpart

Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders, total 312581808 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk identifier: 0x000c11fd

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *          63    39086144    19543041   fd  Linux raid 
autodetect
/dev/sda2        39086145    41062139      987997+  82  Linux swap / Solaris
/dev/sda3        41062140   312576704   135757282+  fd  Linux raid 
autodetect
To mount the first sda-Partition ( 512 bytes * 63 = 32256 )

# losetup -o 32256 /dev/loop0 /dev/lvmpart
# mount /dev/loop0 /target/

or

# mount -o loop,offset=32256 /dev/lvmpart /target/

Maybe it helps,

Fabian


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