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linuxswap
Linux - Swap
How-to: Reduce LVM Swap
Disable swap: swapoff -v /dev/vgroot/lvswap
Reduce the LV: lvreduce /dev/vgroot/lvswap -L -{size}
How-to: Increase LVM Swap
Disable swap: swapoff -v /dev/vgroot/lvswap
Increase the LV: lvresize /dev/vgroot/lvswap -L +{size}
Format swap partition: mkswap /dev/vgroot/lvswap
Turn swap back on: swapon -av
How-to: Change swappiness

To change on the fly:

# echo 25 > /proc/sys/vm/swappiness

To make permanent:

  • Edit sysctl.conf
  • Add/edit line vm.swappiness=25
  • Force kernel to re-read sysctl.conf
# sysctl -p
linuxswap.txt · Last modified: 2017/11/10 01:05 by mark