This alert is triggered if the shared memory (/dev/shm) disk partition is full on
a firewall. The /dev/shm is a temporary filesystem used for shared memory in Linux
systems.
Raise Condition
This incident is raised when the shared memory partition exceeds 90% of the
firewall’s capacity and remains above 90% for one hour.
Clear Condition
The incident is cleared when the shared memory partition falls below 85% of the
firewall’s capacity and remains below 85% for one hour.