-
Remove local-lvm :
Datacenter > Storage > local-lvm -
Access the shell :
Datacenter > node > Shella)
lvremove /dev/pve/datab)
lvresize -l +100%FREE /dev/pve/rootc)
resize2fs /dev/mapper/pve-root -
If needed, change content of the storage to your needs :
Datacenter > Storage > "Edit" local > Content
Credits to NetworkChuck from YouTube