In Microsoft SQL Server 2008 database, you can configure database mirroring between the two. It improves the reliability of database and prevent data loss situations, when a database is damaged for some reason. In case of failure, you can back up your database from the mirror database. However, if you accidentally remove the transaction log files on SQL database, database mirroring session by breaking principleServer. After this behavior may not mirror the data from server when principle server fails. It causes damage to the database and requires SQL Database Recovery to be when backup is not available-solid.
As a practical example of this problem, consider the scenario adopted:
In Microsoft SQL SVR 2008 SP1 (Service Pack 1) or Microsoft SQL Server 2008 can configure mirroring between two databases.
Run ALTER DATABASE command towith REMOVE FILE clause for the removal of the transaction log files of the SQL Server database on the main server.
In the above scenario is database mirroring session is canceled and you can not resume. But you also get the below statement:
"Location:" logmgr.cpp ": 3350
Expression: headLFCB-> lfcb_startOffset GetSize () * (ULONGLONG) PAGE SIZE
Additionally, the following error message in SQL Server is logged:
A system assertion is spid23s failed. Check the SQL error log for details.
Typically, an assertion will be a software defect or damage caused by data. To database corruption, consider moving to, DBCC CHECKDB. If you agreed to send dumps to Microsoft during setup, a mini dump will be sent to Microsoft. An update could be available from Microsoft in the latest service pack or in a QFE from Technical Support. "
Cause
The problem results because of incorrect log on Space Tracking Mirror> Database. It can also occur due to Microsoft SQL Server database (MDF file) of corruption.
Resolution
If the problem due to wrong log tracking room latest update to download and install SQL Server causes. On the other hand, if MDF corruption caused the problem, you need to go for SQL Recovery sort out the problem.
SQL Recovery is by advanced and effective third-party tools, such as MS SQL recovery software known potential. The applications employ advancedScanning techniques to ensure complete and rapid recovery in all instances of SQL Server database corruption.
Stellar Phoenix SQL Recovery is a read-only and simple to use application scenarios corruption, ensures perfect recreation of all types of databases. The software is available for Microsoft SQL Server 2008, 2005 and 2000 designed for. It calls on all MDF file, including tables, reports, macros, forms, constraints, stored procedures and triggers.
No comments:
Post a Comment