WebOct 21, 2024 · Dataguard was running perfectly and everything was up to snuff before we shutdown the standbys. After the failover testing was completed, we brought the 3 standbys back online and oddly enough 2 out of the 3 reported an unresolveable archive log gap. The log that both were looking for was one from 4 weeks ago (when we last switched over to ... WebNov 16, 2015 · From the docs: Oracle Data Guard ensures high availability, data protection, and disaster recovery for enterprise data. Oracle Data Guard provides a comprehensive set of services that create, maintain, manage, and monitor one or more standby databases to enable production Oracle databases to survive disasters and data corruptions.
How to Resolve MRP0 WAIT_FOR_LOG in Real Time Apply Service
WebApr 20, 2011 · Which archive redo log transport mode is best, and why? Answer: Oracle Data Guard redo log transport offers synchronous log transport mode ( LogXptMode = 'SYNC') or asynchronous log transport mode ( LogXptMode = 'ASYNC' ). Systems with a network bottleneck would get better overall response time with the ASYNC mode, while shops that … WebNov 8, 2012 · but first output means that lns is not working,if not then which process send redo from primary to RFS on standby ? i also read in some blog that lgwr use some extra buffer size from primary db SGA ,to write redo in that buffer ,ans lns read redo from that buffer and send it to RFS on stanby side, how to remove item from ebay selling
Linux环境上部署Oracle11gR2并搭建ADG,成功实践
http://www.itpub.net/thread-2105488-1-1.html WebOracle Database Tips by Donald BurlesonDecember 9, 2015. ... (RFS) on the standby system, where the RFS process writes the redo data to either archived redo logs or optionally to a standby redo log. However, if a standby redo log is used, real time apply can be enabled, which allows Data Guard to recover redo data from the current standby redo ... Web3、熟悉oracle体系知识,对linux、aix有一定认知,能熟练使用 4、熟悉Oracle rac,adg,ogg的安装搭建运维,mysql一主多从的搭建、运维 5、熟悉数据库相关标准、规范、架构 6、能看懂Oracle awr,分析数据库性能瓶颈 7、掌握基础的oracle sql优化知识,能对sql做一般的性能 ... norfolk broads yacht hire