[~] $sudo diskinfo -t /dev/gvinum/raid /dev/gvinum/raid 512 # sectorsize 501998667776 # mediasize in bytes (468G) 980466148 # mediasize in sectors Seek times: Full stroke: 250 iter in 4.727384 sec = 18.910 msec Half stroke: 250 iter in 3.593535 sec = 14.374 msec Quarter stroke: 500 iter in 5.789734 sec = 11.579 msec Short forward: 400 iter in 2.287687 sec = 5.719 msec Short backward: 400 iter in 2.359263 sec = 5.898 msec Seq outer: 2048 iter in 0.306523 sec = 0.150 msec Seq inner: 2048 iter in 0.370842 sec = 0.181 msec Transfer rates: outside: 102400 kbytes in 1.982693 sec = 51647 kbytes/sec middle: 102400 kbytes in 2.018935 sec = 50720 kbytes/sec inside: 102400 kbytes in 2.848993 sec = 35943 kbytes/sec [~] $sudo diskinfo -t /dev/ad10 /dev/ad10 512 # sectorsize 251000193024 # mediasize in bytes (234G) 490234752 # mediasize in sectors 486344 # Cylinders according to firmware. 16 # Heads according to firmware. 63 # Sectors according to firmware. Seek times: Full stroke: 250 iter in 4.970830 sec = 19.883 msec Half stroke: 250 iter in 3.797602 sec = 15.190 msec Quarter stroke: 500 iter in 6.365338 sec = 12.731 msec Short forward: 400 iter in 1.734939 sec = 4.337 msec Short backward: 400 iter in 1.662100 sec = 4.155 msec Seq outer: 2048 iter in 0.209863 sec = 0.102 msec Seq inner: 2048 iter in 0.216160 sec = 0.106 msec Transfer rates: outside: 102400 kbytes in 1.892690 sec = 54103 kbytes/sec middle: 102400 kbytes in 2.031812 sec = 50398 kbytes/sec inside: 102400 kbytes in 3.294282 sec = 31084 kbytes/sec