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                監控層級 資源層 應用層 SNMP組件 MIB management information base SMI MIB表示符號 SNMP協議 NMS可發起的操作 Get,GetNext,Set,Trap agent response 基于UDP,端口 NMS:161 agent:162 item組叫appllication 數據采集 SNMP Agent SSH IPMI 數據存儲 cacti:rrd nagios:mysql zabbix:mysql/pgsql/oracle 數據展示 java php 移動app 報警 mail(smtp) 即時通信 SMS 報警升級 hosts --> host group 1、items --> application item:key graph --> screen 2、trigger --> event discover --> event 3、action(notification,operation,condition(條件)) 如何創建觸發器 超過閾值-->Problem-->OK(recover) {<server>:<key>.<function>(parameter)}<operator><constant> server:主機名 key:監控項目的key 常用function:avg,count,change,date,dayofweek,delta,diff,max,min,nodata,now,sum avg,count,last,min,max支持第二個參數 max(1h,7d)一周前一小時內的最大值 last(0)=last(#1) zabbix支持觸發器間的依賴關系 ![](http://om4h63cja.bkt.clouddn.com/17-9-5/61059827.jpg)
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