/dev/da2
	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-WCC4E2LRR3T9	# 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      0.094535 sec	=    0.005 msec/sector
	time to read 20480 sectors   1.287630 sec	=    0.063 msec/sector
	calculated command overhead			=    0.058 msec/sector

Seek times:
	Full stroke:	  250 iter in   6.608139 sec =   26.433 msec
	Half stroke:	  250 iter in   5.508093 sec =   22.032 msec
	Quarter stroke:	  500 iter in   8.190680 sec =   16.381 msec
	Short forward:	  400 iter in   3.929817 sec =    9.825 msec
	Short backward:	  400 iter in   3.037351 sec =    7.593 msec
	Seq outer:	 2048 iter in   0.148415 sec =    0.072 msec
	Seq inner:	 2048 iter in   0.148087 sec =    0.072 msec

Transfer rates:
	outside:       102400 kbytes in   0.681801 sec =   150190 kbytes/sec
	middle:        102400 kbytes in   0.819518 sec =   124951 kbytes/sec
	inside:        102400 kbytes in   1.591485 sec =    64342 kbytes/sec