CentOS Monitoring Tools Sar,iostat

Original Address:CentOS Monitoring Tools Sar,iostat Author:Every day down

Yum-y Install Sysstat

Whereis SAR

Whereis Iostat

You can see the relevant commands

If you install with RPM package under Redhat, you can go to http://rpmfind.net/to find the Sysstat RPM package.

Also attached: Linux disk IO View related commands and instructions

From:http://blog.chinaunix.net/u3/93062/showart_1934431.html

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# iostat-x 1 10
Linux 2.6.18-92.el5xen 02/03/2009

AVG-CPU:%user%nice%system%iowait%steal%idle
1.10 0.00 4.82 39.54 0.07 54.46

device:rrqm/s wrqm/s r/s w/s rsec/s wsec/s avgrq-sz avgqu-sz await SVCTM%util
SDA 0.00 3.50 0.40 2.50 5.60 48.00 18.48 0.00 0.97 0.97 0.28
SDB 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SDC 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SDD 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SDE 0.00 0.10 0.30 0.20 2 2.40 9.60 0.00 1.60 1.60 0.08
SDF 17.40 0.50 102.00 0.20 12095.20