Disk Space Usage In Mb - With Trend Projections - IBM PERFORMANCE MANAGEMENT FOR POWER SYSTEMS - GRAPH REFERENCE DOCUMENT Reference

Disk Space Usage in MB – with Trend Projections
Monthly Disk Space Utilization with Trending Graph.
This graph shows the monthly disk space utilization for the specified range, up to twelve months.
The height of the columns reflects the total internal and external disk assigned to the partition.
It also displays the projected usage for the following three months based on usage trends over
the last 3, 6, and 12 months.
Guidelines for disk space usage are 75% for Marginal, and 85% for Critical.
PM for Power Systems Graph Reference Document 33