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![Unable to automatically remove LVM data][1]

I am trying to install ubuntu 12.04 via preceed config onto Dell PowerEdge R710. I had RedHat installed on the box then I tried installing ubuntu 12.04, then auto install popping with Unable to automatically remove LVM data message.

Complete Message: Because the volume groups on the selected device also consist of physical volumes on other devices. it is not considered safe to remove its lvm data automatically. If you wish to use this device for paritioning, please remove its lvm data first.

couple of blogs suggested to use this preceed option

d-i partman-lvm/device_remove_lvm_span boolean true

But no use, I still get the same message.

Also one more question: Ubuntu preceed auto install on dell servers showing first disk as /dev/sdc not /dev/sda. Any idea.

Appreciate for your answer.

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I've had a similar problem with trying to install Ubuntu when LVM is present. It just won't let me. My solution was to reformat the partition and then install from there using a Live CD. It may be a good idea to let people know if you want to wipe the drive, or are trying to save the data. –  Mr.Lee Jan 31 at 14:42
    
you mean manually reformat the partition? –  JackBos Jan 31 at 16:52
    
I thought this is preceed auto install issue, but looks like even with manual install I am getting the same message. –  JackBos Jan 31 at 17:28
    
I didn't word my comment correctly. Reformat the partition with a Live CD, and then install Ubuntu*. Also, let us know if you are able to wipe the drive, or need to save the data. My problem wasn't the installation disks fault, it was being unable to use the partitions with LVM on it. So if you do not need the data on the drive, format it using a Live CD. –  Mr.Lee Jan 31 at 18:43
    
LiveCD is different from using Ubuntu12.04 ISO? machine booted via Ubuntu12.04 ISO and tried but its the same issue. My case is little different, I am doing automated installs via self-service. So I cannot really run liveCD every time. My case" I don't care what data was on the first disk, I just want to wipe every thing on first disk and install 12.04 automatically via preceed. –  JackBos Jan 31 at 19:12
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