Cisco Cisco FirePOWER Appliance 8250
55-15
FireSIGHT System User Guide
Chapter 55 Using Health Monitoring
Configuring Health Policies
You must apply the health policy to the appropriate devices if you want your settings to take effect. See
for more information.
Configuring Disk Usage Monitoring
License:
Any
Without sufficient disk space, an appliance cannot run. The health monitor can identify low disk space
conditions on your appliance’s hard drive and malware storage pack before space runs out. The health
monitor can also alert when hard drive file draining occurs too frequently. Use the Disk Usage health
status module to monitor disk usage for the
conditions on your appliance’s hard drive and malware storage pack before space runs out. The health
monitor can also alert when hard drive file draining occurs too frequently. Use the Disk Usage health
status module to monitor disk usage for the
/
and
/volume
partitions on the appliance and track draining
frequency.
Note
Although the disk usage module lists the
/boot
partition as a monitored partition, the size of the partition
is static so the module does not alert on the boot partition.
If the overall disk usage on the monitored appliance exceeds the Warning limit, the status classification
for that module changes to Warning. If the overall disk usage on the monitored appliance exceeds the
Critical limit, the status classification for that module changes to Critical. The maximum percentage you
can set for either limit is 100 percent, and the Critical limit must be higher than the Warning limit.
for that module changes to Warning. If the overall disk usage on the monitored appliance exceeds the
Critical limit, the status classification for that module changes to Critical. The maximum percentage you
can set for either limit is 100 percent, and the Critical limit must be higher than the Warning limit.
If the system deletes unprocessed events, the status classification for that module changes to Warning.
If the system drains files in any disk usage category too frequently based on module thresholds, or if disk
usage for files not in a monitored disk usage category grows too large based on module thresholds, the
status classification for that module changes to Critical. For more information on disk usage categories,
see
If the system drains files in any disk usage category too frequently based on module thresholds, or if disk
usage for files not in a monitored disk usage category grows too large based on module thresholds, the
status classification for that module changes to Critical. For more information on disk usage categories,
see
.
To configure Disk Usage health module settings:
Access:
Admin/Maint
Step 1
On the Health Policy Configuration page, select
Disk Usage
.
The Health Policy Configuration — Disk Usage page appears.
Step 2
Select
On
for the
Enabled
option to enable use of the module for health status testing.
Step 3
In the
Critical Threshold %
field, enter the percentage of disk usage that should trigger a critical health
status.
Step 4
In the
Warning Threshold %
field, enter the percentage of disk usage that should trigger a warning health
status.
Step 5
You have three options:
•
To save your changes to this module and return to the Health Policy page, click
Save Policy and Exit
.
•
To return to the Health Policy page without saving any of your settings for this module, click
Cancel
.
•
To temporarily save your changes to this module and switch to another module’s settings to modify,
select the other module from the list at the left of the page. If you click
select the other module from the list at the left of the page. If you click
Save Policy and Exit
when you
are done, all changes you made will be saved; if you click
Cancel
, you discard all changes.