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