RAID Comparison: A Summary

This lesson presents a side by side comparison of different RAID levels.

We'll cover the following...

We now summarize our simplified comparison of RAID levels in the table below.

Note that we have omitted a number of details to simplify our analysis. For example, when writing in a mirrored system, the average seek time is a little higher than when writing to just a single disk, because the seek time is the max of two seeks (one on each disk). Thus, random ...