crit: $this > 95
units: %
info: current disk space usage
+ to: sysadmin
# -----------------------------------------------------------------------------
crit: $this > 0 and $this < 24
units: hours
info: estimated time the disk will run out of space, if the system continues to add data with the rate of the last 30 minutes
+ to: sysadmin
# -----------------------------------------------------------------------------
crit: $this > $red
units: %
info: the percentage of time the disk was busy, during the last 10 minutes
+ to: sysadmin
# raise an alarm if the disk backlog
crit: $this > $red
units: ms
info: average of the kernel estimated disk backlog, for the last 10 minutes
+ to: sysadmin