Updated 2006-06-14 for presentation at SLUUG meeting
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Updated date/location.
Changed quote.
Removed info on the boot process.
Moved Stallman picture to the end.
Talk about partitions before partition tables.
Talk about RAID before block devices and file systems.
Talk about encodings before interfaces.
Corrected: G in GMR is "Giant", not "Gigantic".
Added section on Perpendicular Recording.
	Added diagram from Wikipedia.
Added section on Serial ATA.
Added section on Serial Attached SCSI.
Added a bit on iSCSI and AoE.
Added some performance info from Storage Review FAQ.
	Access time.
	Storage size improves performance.
	30% increase for 8 MB buffer over 2 MB buffer.
More links to Wikipedia entries.
Platter substrates are almost all made of glass these days.
Modern drives use a thin-film layer of cobalt, chromium, platinum, boron.
	500-1000 particles per magnetic domain.
Add new TMR and CMR read head technologies.
Link to multimedia explanations of GMR, head crash, sizes involved, perpendicular recording.
Add info on BPI and TPI.
Clarify N vs. R and N vs. S in section on encodings.
Added some more references.
Updated to CC 2.5 license.


TODO
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Add more diagrams/pictures.
	encoding types
	spindle/actuator
	CHS
	RAID levels
Talk about SMART.
	http://en.wikipedia.org/wiki/Self-Monitoring%2C_Analysis%2C_and_Reporting_Technology
Talk about Kryder's Law (Moore's Law for storage).
	http://en.wikipedia.org/wiki/Kryder%27s_law
	http://www.mattscomputertrends.com/Kryder's.html
Talk about GB vs GiB.
	1 GB  = 1000 x 1000 x 1000 bytes
	1 GiB = 1024 x 1024 x 1024 bytes
	Computer folks usually use binary-based multipliers.
	Hard drive manufacturers use 10-based multipliers, because the resulting GB number is bigger.
		Difference is about 7%.
Expand the info on various RAID levels and concepts.