Maxtor 10K5 (SCSI) about three years old:
Code:
pinot# diskinfo -c -t /dev/da2
/dev/da2
512 # sectorsize
73557090304 # mediasize in bytes (69G)
143666192 # mediasize in sectors
8942 # Cylinders according to firmware.
255 # Heads according to firmware.
63 # Sectors according to firmware.
I/O command overhead:
time to read 10MB block 0.126083 sec = 0.006 msec/sector
time to read 20480 sectors 3.888857 sec = 0.190 msec/sector
calculated command overhead = 0.184 msec/sector
Seek times:
Full stroke: 250 iter in 2.713510 sec = 10.854 msec
Half stroke: 250 iter in 2.131789 sec = 8.527 msec
Quarter stroke: 500 iter in 3.611677 sec = 7.223 msec
Short forward: 400 iter in 1.719398 sec = 4.298 msec
Short backward: 400 iter in 1.151218 sec = 2.878 msec
Seq outer: 2048 iter in 0.601458 sec = 0.294 msec
Seq inner: 2048 iter in 3.763039 sec = 1.837 msec
Transfer rates:
outside: 102400 kbytes in 1.217299 sec = 84121 kbytes/sec
middle: 102400 kbytes in 1.422332 sec = 71994 kbytes/sec
inside: 102400 kbytes in 2.195861 sec = 46633 kbytes/sec