Seagate 10K.6 (SCSI), six (?) years old.
Code:
%diskinfo -c -t /dev/da1
/dev/da1
512 # sectorsize
73407865856 # mediasize in bytes (68G)
143374738 # mediasize in sectors
8924 # Cylinders according to firmware.
255 # Heads according to firmware.
63 # Sectors according to firmware.
I/O command overhead:
time to read 10MB block 0.153230 sec = 0.007 msec/sector
time to read 20480 sectors 2.956085 sec = 0.144 msec/sector
calculated command overhead = 0.137 msec/sector
Seek times:
Full stroke: 250 iter in 2.993079 sec = 11.972 msec
Half stroke: 250 iter in 2.252052 sec = 9.008 msec
Quarter stroke: 500 iter in 3.684958 sec = 7.370 msec
Short forward: 400 iter in 1.307076 sec = 3.268 msec
Short backward: 400 iter in 1.153268 sec = 2.883 msec
Seq outer: 2048 iter in 0.247746 sec = 0.121 msec
Seq inner: 2048 iter in 0.247390 sec = 0.121 msec
Transfer rates:
outside: 102400 kbytes in 1.510717 sec = 67782 kbytes/sec
middle: 102400 kbytes in 1.835884 sec = 55777 kbytes/sec
inside: 102400 kbytes in 2.726458 sec = 37558 kbytes/sec