Add a swap disk

• Verify if swap available and number of disks:
  • swapon --show
  • lsblk | grep disk
  • ls -la /dev/nvme*
• Add a disk to the server
• Check the new volume with lsblk
• Create swap: sudo mkswap /dev/nvme####n1
• Add swap in /etc/fstab

sudo vi /etc/fstab
UUID=XXXXXXX none swap defaults 0 0

• Mount swap : sudo mount -a
• Enable swap: swapon /dev/nvme####n1
• Check swap free -h or swapon --show

UUID=4f724150-4b94-11e9-b2d3-5254001d0c45 none swap defaults 0 0

Related

• swapoff -a
• Add a new disk
• lsblk | grep disk

See also

• Swap, swapon, swapoff, mkswap, swaplabel, free,sar -r, sar -S, sar -W, vmstat, vm.swappiness, /proc/swaps, /etc/fstab, Add a swap disk, systemd.swap, K8s Linux node swap support
• memory
• Disk, /etc/fstab