Problem: ESXi inspector fails with “esxcli storage filesystem list”

Steps to Resolution:

This issue is usually due to either a bad drive in the datastore, or a needed refresh via some ESXCLi command. To fix this, SSH into the device, and attempt to run the command “esxcli storage filesystem list”.
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If you're still encountering this error, check the datastore within the GUI, to see if any drives are failing. After that, try running the following commands:

Outcome: The inspector should now run without error. Ensure drives are in optimal condition as the "esxcli storage filesystem list" command will need to complete without error for the Inspector to work.