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Cygnus X
Asked: 2012-09-02 09:42:14 +0800 CST

How would I add a second physical hard drive to proxmox

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I installed proxmox on a single 250GB hard drive and I would like to add a second identical hard drive to put more VM's on. I already tried once, and didn't get very far. I added it and formatted it as an ext4, but when I went to use the disk, it said only 8GB was available. That's not quite right. So I did some searching and found that I had to make the device ID 8e for a linux lvm. After I did this, it said I had to restart, so I did... and it wouldn't boot!!!

What did I do wrong? And how do I do it right? (I know I could throw in a RAID card and do a RAID 0, but I'd rather not).

partition

3 Answers

  1. You can either use your new disk to create new storage resources:

    • New directory (tree) to store files
      • partition and format your device using your filesystem of choice (ext3/4 and XFS are the most commonly used)
      • mount the FS to, say, /srv (do it manualy with mount command and add it to fstab)
      • create the needed directories with mkdir /srv/{isos,images,templates,backups,containers}
      • create the Proxmox storage resources of type directory in the web UI.
    • LVM volume group to store VMs disks "images" as logical volumes:
      • partition your device and set the LVM (8e) flag
      • create a new physical volume with pvcreate /dev/<DEVNAME>
      • create a new volume group with vgcreate <VGNAME> /dev/<DEVNAME>
      • create the Proxmox storage resource of type LVM group in the web UI

    Or you can use it to increase size of the default one:

    • LVM physical volume to extend the default pve-data LVM logical volume and /var/lib/vz filesystem:
      • partition your device and set the LVM (8e) flag
      • create a new physical volume with pvcreate /dev/<DEVNAME>
      • extend default VG with vgextend pve /dev/<DEVNAME>
      • extend data logical volume with lvextend /dev/mapper/pve-data /dev/<DEVNAME>
      • verify your FS is clean with fsck -nv /dev/mapper/pve-data
      • resize your FS with resize2fs -F /dev/mapper/pve-data

    Checkout http://pve.proxmox.com/wiki/Storage_Model

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  2. Finally found the page that talks about it:

    http://pve.proxmox.com/wiki/Storage_Model

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  3. https://pve.proxmox.com/wiki/Extending_Local_Container_Storage

    Use "GNU parted" for partitions > 2TB and partition type "ee" (GPT)

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