11gR2 Agent ??
- by Allen Gao
??:????oracle 11gR2 ???(Grid Infrastructure,????GI) ??? agent????,?? agent???,???agent??,??????????????:11.2.0.1?????? ?????10gR2 crs ????????????????10gR2 ??,crsd ??????????????????,crsd ?????racg??,??racg?????????,??racgvip ??????vip?????????,???racg??????????,????????????11gR2 GI??, agent ??????????GI??????????,?????agent ???????????,????? ??????agent??????????1.????????daemon???agent ??????gipc, gpnp? ?ohasd ???orarootagent???2.Agent?????????,???HA(High Available)??.3.Ohasd ??????agent cssdagent(??agent????“crsctl stat res –t –init” ????ora.cssd ) orarootagent oraagent cssdmonitor Crsd ??????agent orarootagent Oraagent ??????agent.??:??oracle?grid?????????oraagent??????????? oraagent_grid????ora.asm, oraagent_oracle??ora.<database_name>.db??? ?????agent?????????????,agent ????EP(Entry Point),?????????????? Start:???? Stop:???? Check:???????,???????????,?agent???GI,?????????? Clean:????,????????????????,???????failover????? Abort:????? ??????EP????,????????????,???????????????? ONLINE:????????online?? OFFLINE:????????offline?????offline??,?????planed offline ?unplaned offline?Planed offline??GI?????????offline??,??????GI?????(srvctl, crsctl)???????,????,GI?????????offline??,????????????GI???????,??planed offline???,??target????????offline??,????,??????target???offline???GI stacks,?????auto_start?????always,??,??????????(??target??,???auto_start?????,???oracle????Oracle Clusterware Administration and Deployment Guide 11g Release 2)???unplaned offline,?????GI???????,????sqlplus???????,??????,GI???????????offline??,???target?????online,??,???????GI???????,???????auto_start?????never? UNKNOWN:??,?????unknown?????????,agent?????????check? PARTIAL:??????,?????intermediate??? ??????agent?????????check,?????????? FAILED:???????????????,??????,agent?????clean EP,?????????????failover?restart??? ??,??????????????agent??????????????
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