Proxmox won't install - "A volume group called pve already exists".

Discussion in 'Proxmox VE: Installation and configuration' started by victorhooi, May 15, 2018.

  1. victorhooi

    victorhooi Member

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    I'm trying to install Proxmox 5.1 onto a server with a SATA SSD on it. (It also has a M.2 NVMe drive as well).

    However, the installation is error-ing out when it gets to the first step of creating partitions, with the error message:

    unable to create volume group 'pve'.

    If I press Ctrl + Alt + F2, and go to the console, I see an error message about "A volume group called pve already exists":

    Screen Shot 2018-05-16 at 02.14.01.png Screen Shot 2018-05-16 at 02.09.32.png

    It's possible this is from a previous failed PVE installation?

    Is there some way of using the Proxmox install media or installation wizard to wipe those disks and start again? (I didn't see an option to wipe/format disks in the installation wizard).
     
  2. udo

    udo Well-Known Member
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    Hi,
    perhaps on the M.2 NVMe is allready an pve-VG?

    Udo
     
  3. victorhooi

    victorhooi Member

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    Aha, yes, that's possible as I did try a few installs before (first on USB sticks), then on NVM M.2 (but the motherboard seemed to have issues booting from UEFI).

    Is there an easy way of using the ProxMox boot media to destroy those VG's on drives?
     
  4. fabian

    fabian Proxmox Staff Member
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    if you boot into the debug mode, you get dumped into a minimal busybox shell as a first step. if you are comfortable with such an environment, you should be able to use "lvm" to remove the LVs/VGs/PVs. otherwise, you can press ctrl+d to start the installation, and then immediately hit the cancel/abort button, which will drop you into a shell inside the installer chroot, where you have a fully-featured, albeit minimal PVE environment (with all the LVM binaries, not just the core 'lvm' one).
     
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  5. victorhooi

    victorhooi Member

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