The Node Health Disk Metrics report is a Node Health report with three additional columns (Total Disk Size, Total Disk Used and Total Disk Free).
Total Disk Size is the sum of the Disk Size in GiB for all fixed disk type filesystems.
Total Disk Used is the sum of the Disk Used in GiB for all fixed disk type filesystems.
Total Disk Free is the sum of the Disk Free in GiB for all fixed disk type filesystems.
