anchor.diff:  let
   
     tempConf = "/var/run/mdadm.conf";
  +  tempStatus = "/var/run/mdadm.status";
     logFile = "/var/log/mdadmEvents.log";
     modprobe = config.system.sbin.modprobe;
     inherit (pkgs) mdadm diffutils;
  
positive.code: 
      postStart = ''
        echo > ${tempConf}
  
        # Assemble early raid devices.
        initctl emit -n new-raid-array
  
negative.code:       # Scan /proc/partitions for RAID devices.
        ${mdadm}/sbin/mdadm --examine --brief --scan -c partitions > ${tempConf}
  
        if ! -q ${diffutils}/bin/diff ${tempConf} ${tempConf}.old > /dev/null; then
          
          try=0
          while ! test -e /proc/mdstat || ! ${diffutils}/bin/diff -q /proc/mdstat ${tempStatus} > /dev/null; do
            test $try -gt 6 && break
            test $try -neq 0 && sleep 10
  
            # Activate each device found.
            ${mdadm}/sbin/mdadm --assemble -c ${tempConf} --scan
  
            try=$(($try + 1))
          done
  
          # Register the new status
          cp /proc/mdstat ${tempStatus}
  
          # Send notifications.
          initctl emit -n new-devices
  