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Disable Software RAID Monitor (mdmonitor)

An XCCDF Rule

Description

The mdmonitor service is used for monitoring a software RAID array; hardware RAID setups do not use this service. The mdmonitor service can be disabled with the following command: 
$ sudo systemctl mask --now mdmonitor.service

Rationale

If software RAID monitoring is not required, there is no need to run this service.

ID
xccdf_org.ssgproject.content_rule_service_mdmonitor_disabled
Severity
Low
References
Updated

Remediation Templates

A Kubernetes Patch

apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
spec:
  config:
    ignition:
      version: 3.1.0

OS Build Blueprint

[customizations.services]
disabled = ["mdmonitor"]

A Shell Script

# Remediation is applicable only in certain platforms
if [ ! -f /.dockerenv ] && [ ! -f /run/.containerenv ]; then
SYSTEMCTL_EXEC='/usr/bin/systemctl'
"$SYSTEMCTL_EXEC" stop 'mdmonitor.service'
"$SYSTEMCTL_EXEC" disable 'mdmonitor.service'
"$SYSTEMCTL_EXEC" mask 'mdmonitor.service'

An Ansible Snippet

- name: Block Disable service mdmonitor
  block:
  - name: Disable service mdmonitor
    block:

    - name: Disable service mdmonitor

A Puppet Snippet

include disable_mdmonitor
class disable_mdmonitor {
  service {'mdmonitor':
    enable => false,
    ensure => 'stopped',
  }
}