How to disable the host swap partition

Solution

1. Run the following command on the host to view swap partition details and memory/disk usage:

   [root@localhost ~]# free -m

2. Migrate all virtual machines on the host to other hosts using the virtualization platform to ensure no data is being written to the swap partition.

3. Run the following command to disable the swap partition:

   [root@localhost ~]# swapoff -a

4. Comment out the swap partition mount entry in the /etc/fstab file.

5. Edit the /etc/sysctl.conf configuration file and add vm.swappiness=0.

6. Run the following command to make the configuration permanent:

   [root@localhost ~]# sysctl -p