Zabbix监控磁盘io
vim /etc/zabbix/zabbix_agentd.d/userparameter_mysql.confUnsafeUserParameters=1
UserParameter=custom.vfs.dev.read.ops
[*],cat /proc/diskstats | grep $1 | head -1 | awk '{print $$4}' //磁盘读的次数
UserParameter=custom.vfs.dev.read.ms
[*],cat /proc/diskstats | grep $1 | head -1 | awk '{print $$7}' //磁盘读的毫秒数
UserParameter=custom.vfs.dev.write.ops
[*],cat /proc/diskstats | grep $1 | head -1 | awk '{print $$8}' //磁盘写的次数
UserParameter=custom.vfs.dev.write.ms
[*],cat /proc/diskstats | grep $1 | head -1 | awk '{print $$11}' //磁盘写的毫秒数
UserParameter=custom.vfs.dev.io.active
[*],cat /proc/diskstats | grep $1 | head -1 | awk '{print $$12}'
UserParameter=custom.vfs.dev.io.ms
[*],cat /proc/diskstats | grep $1 | head -1 | awk '{print $$13}' //花费在IO操作上的毫秒数
UserParameter=custom.vfs.dev.read.sectors
[*],cat /proc/diskstats | grep $1 | head -1 | awk '{print $$6}' //读扇区的次数(一个扇区的等于512B)
UserParameter=custom.vfs.dev.write.sectors
[*],cat /proc/diskstats | grep $1 | head -1 | awk '{print $$10}' //写扇区的次数(一个扇区的等于512B)
/etc/init.d/zabbix-agent restart
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