Proxmox Server Howto

Login to server:
https://upupa.loseyourip.com:8006

1. Moving VM disk storage

Left menu -> Node server
Center menu  -> VM
                -> Hardware
                   -> Hard Disk
Center tab    ->[Disk Action]
                 -> Move Disk
                    -> Target Storage 
                    -> [Move Disk]

2. Unmounting a disk

ls -la /mnt/pve/

Expect to get:

drwxr-xr-x 8 root root 4096 Mar  7 15:51 Storage
drwxr-xr-x 8 root root 4096 Mar  6 16:16 VMdata

To unmount /mnt/pve/Storage :

# logged in as root
sudo umount /mnt/pve/Storage

3. Removing Storage

Left menu -> Datacentre

Center menu  -> Storage

Right menu   -> Directory-Name

Top Button -> [Remove]
               ->[Yes]