/dev/da5
	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-WCC4E4XJRADS	# 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      0.082492 sec	=    0.004 msec/sector
	time to read 20480 sectors   1.281647 sec	=    0.063 msec/sector
	calculated command overhead			=    0.059 msec/sector

Seek times:
	Full stroke:	  250 iter in   7.058211 sec =   28.233 msec
	Half stroke:	  250 iter in   5.298573 sec =   21.194 msec
	Quarter stroke:	  500 iter in   8.317853 sec =   16.636 msec
	Short forward:	  400 iter in   3.154344 sec =    7.886 msec
	Short backward:	  400 iter in   4.013004 sec =   10.033 msec
	Seq outer:	 2048 iter in   0.153581 sec =    0.075 msec
	Seq inner:	 2048 iter in   0.160795 sec =    0.079 msec

Transfer rates:
	outside:       102400 kbytes in   0.674506 sec =   151815 kbytes/sec
	middle:        102400 kbytes in   0.839652 sec =   121955 kbytes/sec
	inside:        102400 kbytes in   1.686065 sec =    60733 kbytes/sec