check device root with path /
    if space usage > 90% for 5 times within 15 cycles then alert
    if space usage > 95% then alert
    if inode usage > 95% then alert

  check device home with path /home
    if space usage > 90% for 5 times within 15 cycles then alert
    if space usage > 95% then alert
    if inode usage > 95% then alert

  check device var with path /var
    if space usage > 90% for 5 times within 15 cycles then alert
    if space usage > 95% then alert
    if inode usage > 99% then alert

  check device storage with path /storage
    if space usage > 90% for 5 times within 15 cycles then alert
    if space usage > 95% then alert
    if inode usage > 95% then alert