Performing a full database disaster recovery with RMAN1. Make the RMAN backup set pieces available.2. Restore the database spfile from autobackups.  --先恢复参数文件3. Restore the control file from autobackups.--再恢复控制文件4. Run the RMAN restore and recover co…

http://neeraj-dba.blogspot.com/2011/10/ora-10456-cannot-open-standby-database.html   Once while starting my standby database i found that database is not opening in normal mode. It throws the error-10456 :cannot standby database.  On performing some…

In this Document Purpose Scope Details Overview of the RMAN EnvironmentDeciding Whether to Use a Flash Recovery Area (FRA)Deciding Whether to use a Recovery CatalogStarting and Exiting RMANConfiguring Persistent Settings for the RMAN EnvironmentBacki…

duplicate database的时候,rman连接 auxiliary database的后状态不正确 auxiliary database 已经被startup nomount,但是rman连接后显示状态是not started $ export ORACLE_SID=dupdb $ sqlplus '/as sysdba' SQL> startup nomount $ rman Recovery Manager: Release - Production on Fri Jun :: C…

Disaster Recovery, High Availability, and Continuous Availability - What's the Difference? Posted bydavid ton September 7, 2010 at 12:30am View Blog Last month I posted a video that gave a brief overview of how data replication is used for continuous…

Oracle 数据库可以实现数据库不完全恢复与完全恢复.完全恢复是将数据库恢复到最新时刻,也就是无损恢复,保证数据库无丢失的恢复.而不完全恢复则是根据需要特意将数据库恢复到某个过去的特定时间点或特定的SCN以及特定的Sequence.我们可以通过基于用户管理的不完全恢复实现,也可以通过基于RMAN方式来实现.本文主要描述是基于RMAN的不完全恢复的几种情形并给出示例.有关数据库备份恢复,RMAN备份恢复的概念与实战可以参考文章尾部给出的链接. 一.不完全恢复的步骤    a.关闭数据库并备份数据…

本文分两部分:部分1 和 部分2.部分1 介绍 AWS,部分2 介绍阿里云和OpenStack云. 1. AWS 1.1 AWS 地理组件概况 AWS 提供三种地理性组件: Regions:区域,即AWS提供云服务的一个区域,其目的是为了用户能就近接入,降低网络延迟.通常是一个城市的若干个AZ组成一个region.2016年,AWS 宣布在其全球region之间建设了100GbE 私有环网. Availability Zones:一个 region 内至少两个通常三个可用区,其用途是为了搭建高可…

http://msdn.microsoft.com/en-us/library/azure/jj870962.aspx Microsoft Azure virtual machines (VMs) with SQL Server can help lower the cost of a high availability and disaster recovery (HADR) database solution. Most SQL Server HADR solutions are suppo…

PURPOSE The purpose of this document is to give a quick guide for using RMAN on RAC databases. We will follow this points: 1. Verify the database mode and archive destination.2. Verify connectivity using sqlnet for target and catalog.3. Determine the…

搭建DG最后一步打开时报错如下:   SQL> alter database open read only; alter database open read only * ERROR at line 1: ORA-10458: standby database requires recovery ORA-01152: file 1 was not restored from a sufficiently old backup ORA-01110: data file 1: '/data/ora…