/dev/da1
	512         	# sectorsize
	4000787030016	# mediasize in bytes (3.6T)
	7814037168  	# mediasize in sectors
	4096        	# stripesize
	0           	# stripeoffset
	486401      	# Cylinders according to firmware.
	255         	# Heads according to firmware.
	63          	# Sectors according to firmware.
	ATA WDC WD40EFRX-68W	# Disk descr.
	WD-WCC4E2LRRCCR	# Disk ident.
	mps0        	# Attachment
	No          	# TRIM/UNMAP support
	5400        	# Rotation rate in RPM
	Not_Zoned   	# Zone Mode

I/O command overhead:
	time to read 10MB block      0.152591 sec	=    0.007 msec/sector
	time to read 20480 sectors   1.272875 sec	=    0.062 msec/sector
	calculated command overhead			=    0.055 msec/sector

Seek times:
	Full stroke:	  250 iter in   6.949421 sec =   27.798 msec
	Half stroke:	  250 iter in   5.290552 sec =   21.162 msec
	Quarter stroke:	  500 iter in   7.983244 sec =   15.966 msec
	Short forward:	  400 iter in   3.425099 sec =    8.563 msec
	Short backward:	  400 iter in   3.581434 sec =    8.954 msec
	Seq outer:	 2048 iter in   0.174845 sec =    0.085 msec
	Seq inner:	 2048 iter in   0.187842 sec =    0.092 msec

Transfer rates:
	outside:       102400 kbytes in   0.708078 sec =   144617 kbytes/sec
	middle:        102400 kbytes in   0.877966 sec =   116633 kbytes/sec
	inside:        102400 kbytes in   1.666305 sec =    61453 kbytes/sec