[Linux] 리눅스 Disk IO stat

ex)  

#cat /proc/diskstats | grep hda
3 0 hda 43205 4113 4800428 280967 1051597 1682874 21876608 1950120 0 858685 2231096
3 1 hda1 25838 525266 1505217 12041736
3 2 hda2 846 1164 88 704
3 3 hda3 20498 4272886 1229274 9834168

Field 1 -- # of reads issued
Field 2 -- # of reads merged, field 6 -- # of writes merged
Field 3 -- # of sectors read
Field 4 -- # of milliseconds spent reading
Field 5 -- # of writes completed
Field 7 -- # of sectors written
Field 8 -- # of milliseconds spent writing
Field 9 -- # of I/Os currently in progress
Field 10 -- # of milliseconds spent doing I/Os
Field 11 -- weighted # of milliseconds spent doing I/Os

관련 링크 : http://lxr.linux.no/linux+v2.6.34.1/Documentation/iostats.txt (영문)

이 외에도 iostat, vmstat 명령어로도 확인 할 수 있다.