SYMPTOM:
Consider that database based history list is used as the inbox location in a Strategy Intelligence Server 9.0.1 - 9.2.0 cluster, as shown:

If the Strategy Intelligence Server 9.0.1 - 9.2.0 nodes are being monitored by Health Center, the Directories Available Space system check incorrectly shows a file location for the inbox directory, as shown:

CAUSE:
This is a known issue with the Directories Available Space system check in Strategy Health Center.
Note: This issue does not occur in cases with single-node Strategy Intelligence Server 9.0.1 - 9.2.0.
ACTION:
This issue has been addressed in Strategy Health Center 9.2.1. Upgrade to that version to take advantage of the fix.