The Disk Utilization component allows you to monitor the percentage of disk space being utilized on a specific device.
See Also
Working with Components and Component Groups
CPU Utilization
Database Query
File Content
HTTP Content Check
Interface Statistics
JMX Performance Check
Memory Utilization
Network Port Check
Process Check
Scripting (PowerShell)
Scripting (End User Monitor)
Service Check
SNMP
SSH
WMI
Windows Performance Counter