Re: Fwd: [Xen-users] Why creating DomU failed (seems it is due to LVM)

["Zhang Binbin" <binbinzh@xxxxxxx>]

I've searched all "VolGroup00" in DomU /etc, and delete them, but it didn't 
help.
It still scaned logical volumes and failed:
        
        Scanning logical volumes
                Reading all physical volumes.  This may take a while...
                No volume groups found
        Activating logical volumes
                olume group "VolGroup00" not found
        ERROR: /bin/lvm exited abnormally! (pid 353)

Maybe a clean install is a must...

Best,
Binbin  

======= 2006-12-11 14:18:01 you wrote:=======

>---------- Forwarded message ----------
>From: TMC <tmciolek@xxxxxxxxx>
>Date: 11-Dec-2006 10:59
>Subject: Re: [Xen-users] Why creating DomU failed (seems it is due to LVM)
>To: steven@xxxxxxxxxxxxxxxxxxx
>Cc: Zhang Binbin <binbinzh@xxxxxxx>, xen-users <xen-users@xxxxxxxxxxxxxxxxxxx>
>
>
>On 11/12/06, Steven Dugway <steven@xxxxxxxxxxxxxxxxxxx> wrote:
>> TMC wrote:
>> > can you please post your config here?
>> >
>> > I suspect that your trying to start LVM configuration from Dom0 in
>> > DomU...
>> >
>> > There are two ways to do things.
>> >
>> > a) put all disk in Dom0 under LVM and manage disk for all DomU
>> > instances that way..
>> That is how I do it and then export the partitions for each domU, works
>> fine with old FC5 packages.
>> Here is an config file:
>>
>> kernel = "/boot/vmlinuz-2.6.18-1.2849.fc6xen"
>> #kernel = "/boot/2.6.16-1.2122_FC5xenU"
>> memory = 250
>> name = "spooner"
>> ramdisk = "/boot/initrd-2.6.18-1.2849.fc6xen.img"
>> vif = [ '' ]
>> disk=['phy:/dev/VolGroup00/spooner,sda1,w','phy:/dev/VolGroup00/spoonerHS,sda4,w','phy:/dev/VolGroup00/swap1,sda2,w','file:/img/tmpfiles,sda3,w']
>> root = "/dev/sda1 ro"
>>
>
>Ok.
>
>What I suspect is happening is that you have  copied a whole parent
>server instance (with a running /etc and such like) instead of doing a
>clean install to your patritions with kickstart, jump-start or
>debootstrap.
>
>This means that your LVM subsystem is looking in /etc, finds configs
>and goesa looking for disks to  manage and fails, bacuse it must. you
>are accessing abstracted devices not raw devices in your DomU.
>
>I think you need to blow away (or at least rename) all LVM configs in
>/etc/ of  your DomU. They are not needed.
>
>Also you need to change:
>your networking (unless you DHCP)
>hostname
>edit the fstab to refer to /dev/sda1, /dev/sda2, /dev/sda3 and
>/dev/sda4  as required instead of  lables or /dev/VolGroup** stuff.
>
>Also Please boot the XenU specific kernel, if your packages provide
>it. Its safer.
>
>
>Hope this helps
>
>Tomasz
>
>
>-- 
>GPG key fingerprint: 3883 B308 8256 2246 D3ED  A1FF 3A1D 0EAD 41C4 C2F0
>GPG public key availabe on pgp.mit .edu keyserver
>

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