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Fortinet Disk Service

The Fortinet Disk service monitors the amount of disk space used on a Fortinet device.

This service cannot use About self-healing.

Service Type


Instances on a Device


Supported Systems/Applications

Fortinet FortiGate™ 50B Series, 60B Series, 100A, 200A, 224B, 300A, 400A, 500A, 800

Device Class


Monitored By

Windows Probe

Scan Interval 5 minutes


MSP N-central services use Reverse Polish Notation (RPN) for all calculation formulae.

Metric Name



Disk Usage

FortiOS 4.o and higher

Indicates the amount of space used on the disk in MB.

Disk Capacity

FortiOS 4.o and higher

Indicates the total capacity of the disk in MB.

Percent Used (Disk Usage / Disk Capacity) x 100

Indicates disk space currently in use as a percentage of the total disk space.