How to mount a disk on Proxmox 1- USING SSH (putty): find out if the disk is connected: #lsblk here our disk was sdb with one partition sdb1 was ntfs formatted format the disk ext4 filesystem and label it with bkphd #mkfs.ext4 -L bkphd /dev/sdb1 mount the drive: mkdir -p /mnt/bkphdd nano /etc/fstab add the following line: LABEL=bkphd /mnt/bkphdd ext4 defaults 0 2 ctrl+o then enter then ctrl+x mount -a then we create a folder for backup inside the new mounted hd mkdir -p /mnt/bkphdd/backup/ 2- USING GUI: Datacenter-> Storage-> Add -> Directory set the following: ID: bkphd Directory: /mnt/bkphdd/backup/ Content: VZDump backup file Nodes: select node enabled: checked shared: checked max backups: 2 After that we can schedule backups from datacenter-> backups. Done! How to mount a disk on Proxmox.docx