RAID and Its impact on your SQL performance - SQLServerCentral

For most of you, SQL Server Central's new article, RAID and Its impact on your SQL performance will be more than you ever wanted to know about a redunant array of independent disks (yes, I know that the "I" in RAID is somewhat disputed. Independent, Inexpense, InanotherlifetimeIwillcare.)
If this isn't geeky enough for you, make sure to check out the comment at http://www.sqlservercentral.com/Forums/Topic1292935-143-1.aspx

This table summarizes the pros and cons of each of the Standard RAID Levels

RAID Level	Fault Tolerance	Read Performance	Write Performance	RAID Write Penalty	Cost
0	None	Good	Excellent	1	Excellent
1	Good	Good	Good	2	Fair
5	Fair	Good	Poor	4	Good
1+0	Excellent	Excellent	Excellent	2	Poor
DP	Good	Good	Terrible	6	Good