standby强制接管 执行enable_jobs.sql脚本内容(部署mirror时已获取) #principal恢复后,在standby处执行 先同步principal 再执行disable_jobs.sql脚本内容(部署mirror时已获取)避免冲突 最后执行切换 #principal 启用sql代理服务 执行enable_jobs.sql脚本内容(部署mirror时已获取)完成故障恢复! /* #使用mirroring event list...
Error msg: (Microsoft SQL Server, Error 1412): The remote copy of database has not been rolled forwarded to a point in time that is encompassed in the local copy of the transactional log. Solution 3, 4, 5: We got the above mentioned error when we start the synchronization for database...
Using SQL Server database mirroring has multiple benefits: a built-in SQL Server feature, relatively easy to set up, can provide automatic failover in high safety mode, etc. Database mirroring can be combined with other disaster recovery options such as clustering, log shipping, and replication ...
它们是不是可在一个数据库是 SQL Server 而另一个数据库是 Oracle 的情况下使用?答:标记事务是指 DBA 定期在所有日志中的同一位置放置标记。此操作结合使表格恢复事务标记的能力,允许您将所有数据库恢复到同一点。执行此操作非常痛苦,因为您必须恢复涉及到的所有数据库,还将丢失所有数据库中的数据,因此您必须确保...
First, we must connect to the principal SQL Server. To do that, launch SSMS and connect to theSQL02node. In the SQL Server Management Studio, you can see on the principal server, the DBA database is in the synchronized state. See the following image: ...
when allocating a new page, SQL Server obtains an X lock on the new page. SQL Server will put the hobt_id (Heap or B-Tree ID) to which the new page belongs in the lock request. However, SQL Server cannot ...
译者注:我很怀疑可变extent能起到的效果,因为大部分用户添加数据文件时,一般会指定数据文件的大小,假如AU_SIZE设置成1M,那么只有大于20G的数据文件才会有一些extent的大小为4MB,而就我接触到的DBA来说,可能大部分DBA都会把数据文件的大小设置成20G左右。还有就是虽然Oracle中有bigfile表空间,但是用的人并不多。
5.5 has a patch to eliminate an annoying case where writing to the binlog is not "in the transaction". As for 1K qps -- let's instead say that the size (bytes) of the replication stream should not exceed the capacity of the network. When it does, you have the added vulnerability ...
SQL Server DBA www.universql.com Friday, November 13, 2009 12:15 AM I am currently having the same issue about database mirror on sql 2005 as i remember was installed on the domain admins account & that login is used in the same instance of both servers. i try grant the admin acco...
That made me think of SPNs. Every AG listener in SQL needs to have an SPN defined, usually SQL will register the SPNs itself but in this case the service account wasn’t able to. Manually creating an SPN for the listeners sorte...