Тест на скорость чтения винта.
Добавлено: 2007-02-04 19:27:29
В общем, интересует... есть ли во фре аналог линуховой команды hdparm -Tt /dev/hdd , т.е. как узнать примерную скорость чтения ж.д.
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https://forum.lissyara.su/
Код: Выделить всё
/usr/home/lissyara/>dd if=/dev/ad0 of=/dev/null bs=1m count=100
100+0 records in
100+0 records out
104857600 bytes transferred in 1.725388 secs (60773343 bytes/sec)
/usr/home/lissyara/>
Код: Выделить всё
# diskinfo -t /dev/amrd0
/dev/amrd0
512 # sectorsize
160036814848 # mediasize in bytes (149G)
312571904 # mediasize in sectors
19456 # Cylinders according to firmware.
255 # Heads according to firmware.
63 # Sectors according to firmware.
Seek times:
Full stroke: 250 iter in 1.581309 sec = 6.325 msec
Half stroke: 250 iter in 1.531269 sec = 6.125 msec
Quarter stroke: 500 iter in 4.407249 sec = 8.814 msec
Short forward: 400 iter in 1.696018 sec = 4.240 msec
Short backward: 400 iter in 2.387744 sec = 5.969 msec
Seq outer: 2048 iter in 0.695476 sec = 0.340 msec
Seq inner: 2048 iter in 0.734191 sec = 0.358 msec
Transfer rates:
outside: 102400 kbytes in 1.812832 sec = 56486 kbytes/sec
middle: 102400 kbytes in 2.121919 sec = 48258 kbytes/sec
inside: 102400 kbytes in 3.538687 sec = 28937 kbytes/sec
Код: Выделить всё
#diskinfo -t /dev/ad0
/dev/ad0
512 # sectorsize
30020272128 # mediasize in bytes (28G)
58633344 # mediasize in sectors
58168 # Cylinders according to firmware.
16 # Heads according to firmware.
63 # Sectors according to firmware.
Seek times:
Full stroke: 250 iter in 6.925607 sec = 27.702 msec
Half stroke: 250 iter in 5.210288 sec = 20.841 msec
Quarter stroke: 500 iter in 8.691914 sec = 17.384 msec
Short forward: 400 iter in 5.126321 sec = 12.816 msec
Short backward: 400 iter in 4.038717 sec = 10.097 msec
Seq outer: 2048 iter in 1.106794 sec = 0.540 msec
Seq inner: 2048 iter in 0.219176 sec = 0.107 msec
Transfer rates:
outside: 102400 kbytes in 4.900068 sec = 20898 kbytes/sec
middle: 102400 kbytes in 5.556914 sec = 18427 kbytes/sec
inside: 102400 kbytes in 8.640333 sec = 11851 kbytes/sec
Код: Выделить всё
dd if=/dev/ad0 of=/dev/null bs=1m count=100
100+0 records in
100+0 records out
104857600 bytes transferred in 2.225568 secs (47114982 bytes/sec)
Код: Выделить всё
diskinfo -t /dev/ad0
/dev/ad0
512 # sectorsize
60022480896 # mediasize in bytes (56G)
117231408 # mediasize in sectors
116301 # Cylinders according to firmware.
16 # Heads according to firmware.
63 # Sectors according to firmware.
Seek times:
Full stroke: 250 iter in 4.881435 sec = 19.526 msec
Half stroke: 250 iter in 3.909084 sec = 15.636 msec
Quarter stroke: 500 iter in 6.402066 sec = 12.804 msec
Short forward: 400 iter in 2.777151 sec = 6.943 msec
Short backward: 400 iter in 2.751293 sec = 6.878 msec
Seq outer: 2048 iter in 0.258076 sec = 0.126 msec
Seq inner: 2048 iter in 0.267350 sec = 0.131 msec
Transfer rates:
outside: 102400 kbytes in 2.617804 sec = 39117 kbytes/sec
middle: 102400 kbytes in 2.068608 sec = 49502 kbytes/sec
inside: 102400 kbytes in 2.559604 sec = 40006 kbytes/sec
зачем ... не думаю, что скорость сильно уменьшится...lissyara писал(а):не умничай.
прогони dd по всему диску