xbazzi / proxmox-docker-setup

####### In the PVE host ####### # Create LV for Docker storage lvcreate -L <size_in_gb>G -n vm-<vmid>-disk<disk_id> vg_<pve_node_vg> OR lvcreate -l 100%FREE -n vm-<vmid>-disk<diskid> vg_<pve_node_vg> # Attach to VM qm set <vmid> --scsi<docker_disk_id> ha-lvm:vm-<vmid>-disk-<docker_disk_id>,cache=writeback,discard=on,iothread=1,ssd=1 # For databases, do NOT use writeback cache (can corrupt/lose data if node or vm crashes) qm set <vmid> --scsi<db_disk_id> ha-lvm:vm-<vmid>-disk-<db_disk_id>,cache=writethrough,discard=on,iothread=1,ssd=1 # Restart qm stop <vmid> && qm start <vmid> ####### In the VM ####### lvcreate -l 100%FREE -n lv_<name> vg_<name> sudo mkfs.xfs /dev/sdb1 sudo mkdir -p /docker-data sudo mount /dev/sdb1 /docker-data # Find UUID sudo blkid /dev/sdb1 # Add to fstab UUID=916202b1-c576-4fb8-acca-a72ac73320bf /docker-storage xfs defaults 0 0 ####### Move old data ####### sudo mkdir -p /docker-storage/docker sudo systemctl stop docker # Move old data sudo mv /var/lib/docker /var/lib/docker.bak # Symlink or use daemon.json sudo ln -s /docker-data/docker /var/lib/docker # OR use /etc/docker/daemon.json echo '{ "data-root": "/docker-data/docker" }' | sudo tee /etc/docker/daemon.json sudo systemctl start docker