Re: [Xen-users] dom0's LVM partition in domU

["Emre Erenoglu" <erenoglu@xxxxxxxxx>]

As Sadique indicated, try using xvda instead of sda or hda. 

Emre

On Dec 6, 2007 1:49 PM, Markus Gerber <markus@xxxxxxxxxxxxx> wrote:

Hello Emre,

These devices do not exist in dom1.

Can I create them manually? Or do I need to install additional packages.

Uups: I've just seen that there is a typo in my first post - dom1 is running Debian Etch and not Ubuntu. Sorry about that!

Thanks and regards,

Markus

On 06.12.2007, at 11:08, Emre Erenoglu wrote:

Markus,

Does it really not exist or just not formatted?

mkfs.ext3 /dev/sda3

and instead of sda, I think you shall consider using xvda (if you're on a PV domU or HVM with PV drivers)

can you see these devices in /dev?

Emre

On Dec 6, 2007 10:51 AM, Markus Gerber <markus@xxxxxxxxxxxxx> wrote:

Hello,

Thank you for your tipp. Unfortunatly, I get an error when booting dom1 saying:

Loading device-mapper support.

Checking file systems...fsck 1.40-WIP (14-Nov-2006)

fsck.ext3: No such file or directory while trying to open /dev/sda3

/dev/sda3: 

The superblock could not be read or does not describe a correct ext2

filesystem.  If the device is valid and it really contains an ext2

filesystem (and not swap or ufs or something else), then the superblock

is corrupt, and you might try running e2fsck with an alternate superblock:

    e2fsck -b 8193 <device>

fsck died with exit status 8

failed (code 8).

* File system check failed. 

In my dom1's config file I added the last 'phy' to the disk

disk = [ 'phy:data/dom1-disk,sda1,w', 'phy:data/dom1-swap,sda2,w', 'phy:/dev/mapper/data-share,sda3,w' ]

How does the /etc/fstab in dom1 has to look like? I added:

/dev/sda3 /mnt/share ext3 defaults 0 1

With the line above it does not work. /dev/sda3 does not exist.

Thank you for some more hints.

Regards,

Markus

On 06.12.2007, at 10:13, Emre Erenoglu wrote:

Just a disk= line would suffice. example:

disk = [ 'phy:/dev/volume-group/volume-name,hda1,w' , 'phy:/dev/md1,hda2,w' , 'phy:/dev/volume-group/volume-2,hda3,w' ]

/dev/volume-group/volume-name being one of your LVM volume. (or /dev/mapper/volume_group-volume_name

Br,

Emre

On Dec 6, 2007 9:37 AM, Markus Gerber < markus@xxxxxxxxxxxxx> wrote:

Hello,

In my dom0 (Ubuntu 7.10) I have several LVM partitions (for mp3s,
photos, ...).
Since I do not want to have any services in dom0, I have a domU (also
Ubuntu 7.10) with Samba. So my users connect to that domU. How can I
export and import these LVM partitions from dom0 into domU?

Using nfs could work, but I prefer a solution where my LVM partitions
are 'natively' in domU.

Thank you for some hints and tipps.

Regards,
Markus
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