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MSSQLSERVER_2534

Product Name

SQL Server

Product Version

10.0

Product Build Number

 

Event ID

2534

Event Source

MSSQLSERVER

Component

SQLEngine

Symbolic Name

DBCC_PAGE_ALLOCATED_TO_OTHER_OBJECT

Message Text

Table error: Page P_ID, whose header indicates it as being allocated to object ID O_ID, index ID I_ID, partition ID PN_ID, alloc unit ID A_ID (type TYPE), is allocated by another object.

The header of the page contains the allocation unit ID, A_ID, but none of the Index Allocation Map (IAM) pages of that allocation unit allocates the page. Therefore, the header of the page contains the wrong allocation unit ID, and the page will have a matching MSSQLServer_2533 error that corresponds to the allocation unit ID to which the page is actually allocated.

Look for Hardware Failure

Run hardware diagnostics and correct any problems. Also examine the Microsoft Windows system and application logs and the SQL Server error log to see whether the error occurred as the result of hardware failure. Fix any hardware-related problems that are contained in the logs.

If you have persistent data corruption problems, try to swap out different hardware components to isolate the problem. Check to make sure that the system does not have write-caching enabled on the disk controller. If you suspect write-caching to be the problem, contact your hardware vendor.

Finally, you might find it useful to switch to a new hardware system. This switch may include reformatting the disk drives and reinstalling the operating system.

Restore from Backup

If the problem is not hardware related and a known clean backup is available, restore the database from the backup.

Run DBCC CHECKDB

If no clean backup is available, run DBCC CHECKDB without a REPAIR clause to determine the extent of the corruption. DBCC CHECKDB will recommend a REPAIR clause to use. Then, run DBCC CHECKDB with the appropriate REPAIR clause to repair the corruption.

Caution noteCaution

If you are not sure what effect DBCC CHECKDB with a REPAIR clause has on your data, contact your primary support provider before running this statement.

If running DBCC CHECKDB with one of the REPAIR clauses does not correct the problem, contact your primary support provider.

Results of Running REPAIR Options

REPAIR will rebuild the index if an index exists.

Caution noteCaution

Running REPAIR for the matching MSSQLSERVER_2533 error deallocates the page before the rebuild.

Caution noteCaution

This repair may cause data loss.

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