2019-05-14T15:17:31.522473+08:00
requested by (instance=3, osid=193847 (DIA0)), summary=[process state dump request (kjznHA)]
requested by (instance=3, osid=193847 (DIA0)), summary=[process state dump request (kjznHA)]
2019-05-14T15:17:33.568550+08:00
requested by (instance=3, osid=193847 (DIA0)), summary=[process state dump request (kjznHA)]
requested by (instance=3, osid=193847 (DIA0)), summary=[process state dump request (kjznHA)]
2019-05-14T15:17:59.337623+08:00
requested by (instance=3, osid=193847 (DIA0)), summary=[process state dump request (kjznHA)]
requested by (instance=3, osid=193847 (DIA0)), summary=[process state dump request (kjznHA)]
2019-05-14T15:20:37.978253+08:00
requested by (instance=3, osid=193847 (DIA0)), summary=[process state dump request (kjznHA)]
requested by (instance=3, osid=193847 (DIA0)), summary=[process state dump request (kjznHA)]
2019-05-14T15:21:06.404937+08:00
requested by (instance=3, osid=193847 (DIA0)), summary=[process state dump request (kjznHA)]
requested by (instance=3, osid=193847 (DIA0)), summary=[process state dump request (kjznHA)]
2019-05-14T15:21:11.821404+08:00
IMR0 (ospid: 194004) waits for event 'control file sequential read' for 61 secs.
2019-05-14T15:21:11.821578+08:00
IMR0 (ospid: 194004) is hung in an acceptable location (cfio 0x11.00).
2019-05-14T15:22:19.582157+08:00
requested by (instance=3, osid=193847 (DIA0)), summary=[process state dump request (kjznHA)]
requested by (instance=3, osid=193847 (DIA0)), summary=[process state dump request (kjznHA)]
版本12.2 rac
存储：宏衫存储
现象：数据库alert日志不断上面报错，fdisk -l以及multipath -ll直接hang住，报错持续一段时间之后，数据库直接挂掉，通过查看集群日志发现ocr无法进行挂载，联系存储厂商进行排查，发现是存储问题，具体解决过程不清楚，处理之后，数据库正常