One can modify the threshold value by adding or modifying the following property in the $JFROG_HOME/var/etc/artifactory/artifactory.system.properties file. For the change to be effective, Artifactory service will have to be restarted.
Important Note: If you set the parameter to 100, Artifactory will not disable writing backups based on the total filesystem usage, which can lead to 100% utilization.
artifactory.backup.maxUsedSpacePercent=<Desired value between 90 and 100>
Important Note: If you set the parameter to 100, Artifactory will not disable writing backups based on the total filesystem usage, which can lead to 100% utilization.