Re: [Xen-users] Xen HDD failure - Migration

[Alexander Hoßdorf <xen-users@xxxxxxxxxxx>]

Mihai Tanasescu schrieb:
> Hello all,
>
>
>
> I just started experimenting with XEN and ran into problems 1 month 
> afterwards.
> I had it on a single hard-disk system and the disk started failing.
> I managed to copy /etc/xen and /home/xen (with the image files for 
> each virtual machine I had) to some remote storage.
>
> Now I reinstalled the machine on a RAID 1 enabled system and copied 
> the files back.
> Configuration looks the following in /etc/fstab:
>
> [root@robu076pps mnt]# cat /etc/fstab
> /dev/VolGroup00/LogVol00 /                       ext3    
> defaults        1 1
> LABEL=/boot             /boot                   ext3    
> defaults        1 2
> tmpfs                   /dev/shm                tmpfs   
> defaults        0 0
> devpts                  /dev/pts                devpts  
> gid=5,mode=620  0 0
> sysfs                   /sys                    sysfs   
> defaults        0 0
> proc                    /proc                   proc    
> defaults        0 0
> /dev/VolGroup00/LogVol01 swap                    swap    
> defaults        0 0
>
> but if I try to start one of the old virtual machines (after modifying 
> initrd and kernel parameters to the actual xen ones in this system) I 
> get:
> Scanning and configuring dmraid supported devices
> no block devices found
> failed to stat() /dev/mapper/nvidia_adcabaef
> Scanning logical volumes
>   Reading all physical volumes.  This may take a while...
>   No volume groups found
> Activating logical volumes
>   Volume group "VolGroup00" not found
> Creating root device.
> Mounting root filesystem.
> mount: could not find filesystem '/dev/root'
> Setting up other filesystems.
>
> Afterwards the Virtual Machine stops.
>
>
> Can someone help me on how to troubleshoot this ?
> I'm trying to avoid reinstalling the affected systems completely.
>
>
>
> Thanks,
> Mihai
Hi,

could you show us your VM configuration file please?

Cheers,
Alex

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