Installation - yi-hsuan/Proxmox GitHub Wiki

Modify existing lvm storage

This step removes the 'local-lvm' partition originally created by the ProxMox install and expands the 'local' partition to fill the free space.

At the command line.

Disable the data lvm

lvchange -an /dev/pve/data

This step may fail as the last step in the previous section may disable the data lvm for you. If so skip to the next step.

Remove the data lvm

lvremove /dev/pve/data

Extend the root lvm

lvextend -l +100%FREE /dev/pve/root

Resize the root file system

resize2fs /dev/pve/root