2024-06-19Oracle DataGuard异常处理【ORA-01119 ORA-17502 ORA-15041】→【ORA-01111 ORA-01110 ORA-01157】收到用户反馈DG上查不到最近一天的数据,怀疑同步有问题一、检查备库同步情况两个节点都未看到MRP0进程SQL>selectprocess,status,thread#,sequence#fromv$managed_standby;PROCESS STATUS THREAD# SEQUENCE#---------------------------------------