ada0
	512         	# sectorsize
	256060514304	# mediasize in bytes (238G)
	500118192   	# mediasize in sectors
	0           	# stripesize
	0           	# stripeoffset
	496149      	# Cylinders according to firmware.
	16          	# Heads according to firmware.
	63          	# Sectors according to firmware.
	NT-256      	# Disk descr.
	9120315D01789	# Disk ident.
	ahcich1     	# Attachment
	Yes         	# TRIM/UNMAP support
	0           	# Rotation rate in RPM
	Not_Zoned   	# Zone Mode

Seek times:
	Full stroke:	  250 iter in   0.016420 sec =    0.066 msec
	Half stroke:	  250 iter in   0.018601 sec =    0.074 msec
	Quarter stroke:	  500 iter in   0.025079 sec =    0.050 msec
	Short forward:	  400 iter in   0.021625 sec =    0.054 msec
	Short backward:	  400 iter in   0.021532 sec =    0.054 msec
	Seq outer:	 2048 iter in   0.083212 sec =    0.041 msec
	Seq inner:	 2048 iter in   0.091956 sec =    0.045 msec

Transfer rates:
	outside:       102400 kbytes in   0.207100 sec =   494447 kbytes/sec
	middle:        102400 kbytes in   0.206090 sec =   496870 kbytes/sec
	inside:        102400 kbytes in   0.205595 sec =   498067 kbytes/sec