ADG环境db_file_name_convert 两节点参数不一致--最简单处理方法
ADG重启db_file_name_convert log_file_name_convert参数生效,两节点参数不一致--其中一个节点无法重启、最简单处理方法
oracle 12C RAC 12.1.0.2 集群日志(cluster log)目录
oracle 12C RAC 12.1.0.2 集群日志(cluster log)
oracle 12C RAC 12.1.0.2 PSU升级到22646084 (12.1.0.2.160419)
oracle 12C RAC 12.1.0.2 PSU升级到22646084 (12.1.0.2.160419)/u01/app/12.1.0/grid/OPatch/opatchauto apply /u01/app/oracle/product/12.1.0/db_1/OPatch/opatchauto apply
12.1.0.2 interface doesnt maintain connectivity across cluster nodes.(二)
12.1.0.2 ERROR: PRVG-11850 PRVF-7617 : Node connectivity between "xcywa2 : 10.241.8.11" and "xcywa1 : 10.241.8.10" failedResult: TCP connectivity check failed for subnet "10.241.8.0"[INS-41112]Specified network interface doesnt maintain connectivity across cluster nodes
12.1.0.2 interface doesnt maintain connectivity across cluster nodes.(一)
12.1.0.2 ERROR: PRVG-11850 PRVF-7617 Result: TCP connectivity check failed for subnet "10.241.8.0"[INS-41112]Specified network interface doesnt maintain connectivity across cluster nodes
undo丢失、损坏的管理
1、undo回滚段: 几个重要的视图: V$undostat V$rollstat 状态 v$rollname 段的名字 dba_segments dba_rollback_segs undo作用: 1、事务处理回退 2、事务处理恢复 3、读一致性 4、闪回数据 前滚:事务已经提交但是还没...