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Zabbix监控Linux磁盘I/O

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11/29
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东西都上传到这里了：
https://github.com/RexKang/Zabbix/tree/master/OS/Linux-disk-discovery

需要用到的东西：

Zabbix的LLD：https://www.zabbix.com/documentation/2.0/manual/discovery/low_level_discovery
Zabbix的Agent配置：https://www.zabbix.com/documentation/2.0/manual/appendix/config/zabbix_agentd
iostat的使用：http://www.cnblogs.com/peida/archive/2012/12/28/2837345.html
1、修改agent配置
我的agent安装位置是/usr/local/zabbixagent/ 
vi /usr/local/zabbixagent/conf/zabbix_agentd.conf

Include=/usr/local/zabbixagent/conf/zabbix_agentd

:wq
2、建立配置文件
此文件位置在/usr/local/zabbixagent/conf/zabbix_agentd/sysio.conf 
# required sysstat

# required iostat running backgroud

##################################################

# nohup iostat -k -x -d  > /usr/local/zabbixagent/tmp/iostats &

# chown zabbix:zabbix /usr/local/zabbixagent/tmp/iostats

# cronteb -e

# Zabbix Agent's task for disk I/O

#   * * * iostat -k -x -d   > /usr/local/zabbixagent/tmp/iostats &

##################################################

# command for test.

#/usr/local/zabbixagent/bin/zabbix_get -s 10.0.0.1 -k 'io.rps[sda]'

#/usr/local/zabbixagent/bin/zabbix_get -s 10.0.0.1 -k 'io.wps[sda]'

#/usr/local/zabbixagent/bin/zabbix_get -s 10.0.0.1 -k 'io.rkbps[sda]'

#/usr/local/zabbixagent/bin/zabbix_get -s 10.0.0.1 -k 'io.wkbps[sda]'

#/usr/local/zabbixagent/bin/zabbix_get -s 10.0.0.1 -k 'io.avgrq-sz[sda]'

#/usr/local/zabbixagent/bin/zabbix_get -s 10.0.0.1 -k 'io.avgqu-sz[sda]'

#/usr/local/zabbixagent/bin/zabbix_get -s 10.0.0.1 -k 'io.await[sda]'

#/usr/local/zabbixagent/bin/zabbix_get -s 10.0.0.1 -k 'io.svctm[sda]'

#/usr/local/zabbixagent/bin/zabbix_get -s 10.0.0.1 -k 'io.util[sda]'

##################################################

UserParameter=io.scandisk[*],/usr/local/zabbixagent/scripts/discovery-linux.py /proc/diskstats

UserParameter=io.rps[*],grep -a "$1" /usr/local/zabbixagent/tmp/iostats | tail - |awk '{print $$4}'

UserParameter=io.wps[*],grep -a "$1" /usr/local/zabbixagent/tmp/iostats | tail - |awk '{print $$5}'

UserParameter=io.rkbps[*],grep -a "$1" /usr/local/zabbixagent/tmp/iostats | tail - |awk '{print $$6}'

UserParameter=io.wkbps[*],grep -a "$1" /usr/local/zabbixagent/tmp/iostats | tail - |awk '{print $$7}'

UserParameter=io.avgrq-sz[*],grep -a "$1" /usr/local/zabbixagent/tmp/iostats | tail - |awk '{print $$8}'

UserParameter=io.avgqu-sz[*],grep -a "$1" /usr/local/zabbixagent/tmp/iostats | tail - |awk '{print $$9}'

UserParameter=io.await[*],grep -a "$1" /usr/local/zabbixagent/tmp/iostats | tail - |awk '{print $$10}'

UserParameter=io.svctm[*],grep -a "$1" /usr/local/zabbixagent/tmp/iostats | tail - |awk '{print $$11}'

UserParameter=io.util[*],grep -a "$1" /usr/local/zabbixagent/tmp/iostats | tail - |awk '{print $$12}'
3、misc 
cd /usr/local/zabbixagent/

mkdir tmp scripts

chmod  tmp scripts

touch tmp/iostats

chmod  tmp/iostats

touch scripts/discovery-linux.py

chmod  scripts/discovery-linux.py

chown zabbix:zabbix ./* -R
4、运行 
nohup iostat -k -x -d  > /usr/local/zabbixagent/tmp/iostats &

sudo service zabbix_agentd restart
5、测试 
/usr/local/zabbixagent/bin/zabbix_get -s 10.0.0.1 -k 'io.rps[sda]'

/usr/local/zabbixagent/bin/zabbix_get -s 10.0.0.1 -k 'io.wps[sda]'

/usr/local/zabbixagent/bin/zabbix_get -s 10.0.0.1 -k 'io.rkbps[sda]'

/usr/local/zabbixagent/bin/zabbix_get -s 10.0.0.1 -k 'io.wkbps[sda]'

/usr/local/zabbixagent/bin/zabbix_get -s 10.0.0.1 -k 'io.avgrq-sz[sda]'

/usr/local/zabbixagent/bin/zabbix_get -s 10.0.0.1 -k 'io.avgqu-sz[sda]'

/usr/local/zabbixagent/bin/zabbix_get -s 10.0.0.1 -k 'io.await[sda]'

/usr/local/zabbixagent/bin/zabbix_get -s 10.0.0.1 -k 'io.svctm[sda]'

/usr/local/zabbixagent/bin/zabbix_get -s 10.0.0.1 -k 'io.util[sda]'
6、添加清理脚本 
crontab -e

  * * * iostat -k -x -d   > /usr/local/zabbixagent/tmp/iostats &
7、添加配置
blablabla，这里我就不说了。

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