Placing '/var/log' in its own partition enables better separation between log files and other files in '/var/'.
System logs are stored in the '/var/log' directory. Ensure that it has its own partition or logical volume at installation time, or migrate it using LVM.
The following resource is also helpful.
This security hardening control applies to the following category of controls within NIST 800-53: Configuration Management.This control applies to the following type of system Unix.