Invoke-IcingaCheckDiskHealth plugin returns empty values ​​for some performance metrics

[Aleksey-Maksimov]

Hello

Sometimes the Invoke-IcingaCheckDiskHealth plugin returns empty values ​​for some important performance metrics
The result is an incorrect comparison operation. And the plugin reports that 0 is greater than 4.
This causes an unwanted change in the plugin status in CRITICAL
I will give an example in the screenshots below

[LordHepipud]

Thank you for the report. Could you please test the linked PR of the Framework? This should resolve the issue to at least report proper values.