??????8??Linux??????????????
???????????? ???????[ 2012/9/19 10:15:39 ] ????????
????7??lotop——???Linux????I/O
????Lotop??top?????Htop??????????????????????????????????????I/O?????????????????????????????/д????????????
????8??iostat——????/??????
????iostat???????????????????????????????????????洢?豸?????????????????????????洢?豸???????????????豸???????????????????NFS??
# iostat
Linux 2.6.18-238.9.1.el5 (tecmint.com) 09/13/2012
avg-cpu: %user %nice %system %iowait %steal %idle
2.60 3.65 1.04 4.29 0.00 88.42
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
cciss/c0d0 17.79 545.80 256.52 855159769 401914750
cciss/c0d0p1 0.00 0.00 0.00 5459 3518
cciss/c0d0p2 16.45 533.97 245.18 836631746 384153384
cciss/c0d0p3 0.63 5.58 3.97 8737650 6215544
cciss/c0d0p4 0.00 0.00 0.00 8 0
cciss/c0d0p5 0.63 3.79 5.03 5936778 7882528
cciss/c0d0p6 0.08 2.46 2.34 3847771 3659776
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