Developers Guide

22 Understanding RAID with Dell SC Series Storage | 3104-CD-DS
Pressure report showing data movement as indicated by green up, orange down. Boxes added
for illustration.
Note: Since Tier 1 is all SSD, Fast Track (Fast) RAID levels are not allocated.
This report shows the expected direction and quantity of data that will be moved during the next Data
Progression cycle. In the table, the amount of data is indicated in the Moving Up or Moving Down columns.
Data that moves down is first moved to the lower RAID, and then to the lower performing tier. Data that
moves up is promoted to the next higher performing tier.