Solving: SQL Server detected a logical consistency-based I/O error

See here how I solved the SQL server detected a logical consistency-based i/o error

When creating a new Secure Store Service Application in SharePoint 2010 I had this error:

Creation of Secure Store Service Application SecureStoreService failed because of the following errors: SQL Server detected a logical consistency-based I/O error: unable to decrypt page due to missing DEK. It occurred during a read of page (1:15848) in database ID 5 at offset 0x00000007bd0000 in file ‘dev­.local_SharePoint­_Conf_Database.mdf’. Additional messages in the SQL Server error log or system event log may provide more detail. This is a severe error condition that threatens database integrity and must be corrected immediately. Complete a full database consistency check (DBCC CHECKDB). This error can be caused by many factors; for more information, see SQL Server Books Online.

There was definitely something wrong with SharePoints configuration database. But as the error message said I did run a DBCC CHECKDB. This was the result:

DBCC results for ‘dev.local_SharePoint_Configuration_Database’.

Service Broker Msg 9675, State 1: Message Types analyzed: 14.

Service Broker Msg 9676, State 1: Service Contracts analyzed: 6.

Service Broker Msg 9667, State 1: Services analyzed: 3.

Service Broker Msg 9668, State 1: Service Queues analyzed: 3.

Service Broker Msg 9669, State 1: Conversation Endpoints analyzed: 0.

Service Broker Msg 9674, State 1: Conversation Groups analyzed: 0.

Service Broker Msg 9670, State 1: Remote Service Bindings analyzed: 0.

Service Broker Msg 9605, State 1: Conversation Priorities analyzed: 0.

Msg 8939, Level 16, State 98, Line 1

Table error: Object ID 0, index ID -1, partition ID 0, alloc unit ID -446695742437851136 (type Unknown), page (44310:821622156). Test (IS_OFF (BUF_IOERR, pBUF->bstat)) failed. Values are 12716041 and -4.

Msg 8939, Level 16, State 98, Line 1

Table error: Object ID 0, index ID -1, partition ID 0, alloc unit ID 3740297223666139136 (type Unknown), page (29042:-1451589555). Test (IS_OFF (BUF_IOERR, pBUF->bstat)) failed. Values are 12716041 and -14.

CHECKDB found 0 allocation errors and 2 consistency errors not associated with any single object.

DBCC results for ‘sys.sysrscols’.

There are 790 rows in 9 pages for object “sys.sysrscols”.

DBCC results for ‘sys.sysrowsets’.

…

There are 0 rows in 1 pages for object “TimerRunningJobs”.

DBCC results for ‘TimerJobHistory’.

Msg 8928, Level 16, State 1, Line 1

Object ID 1413580074, index ID 1, partition ID 72057594041663488, alloc unit ID 72057594043367424 (type In-row data): Page (1:15840) could not be processed.  See other errors for details.

Msg 8976, Level 16, State 1, Line 1

Table error: Object ID 1413580074, index ID 1, partition ID 72057594041663488, alloc unit ID 72057594043367424 (type In-row data). Page (1:15840) was not seen in the scan although its parent (1:15990) and previous (1:15831) refer to it. Check any previous errors.

Msg 8978, Level 16, State 1, Line 1

Table error: Object ID 1413580074, index ID 1, partition ID 72057594041663488, alloc unit ID 72057594043367424 (type In-row data). Page (1:15841) is missing a reference from previous page (1:15840). Possible chain linkage problem.

Msg 8928, Level 16, State 1, Line 1

Object ID 1413580074, index ID 1, partition ID 72057594041663488, alloc unit ID 72057594043367424 (type In-row data): Page (1:15848) could not be processed.  See other errors for details.

Msg 8976, Level 16, State 1, Line 1

Table error: Object ID 1413580074, index ID 1, partition ID 72057594041663488, alloc unit ID 72057594043367424 (type In-row data). Page (1:15848) was not seen in the scan although its parent (1:15990) and previous (1:15846) refer to it. Check any previous errors.

Msg 8978, Level 16, State 1, Line 1

Table error: Object ID 1413580074, index ID 1, partition ID 72057594041663488, alloc unit ID 72057594043367424 (type In-row data). Page (1:15849) is missing a reference from previous page (1:15848). Possible chain linkage problem.

There are 343473 rows in 11002 pages for object “TimerJobHistory”.

CHECKDB found 0 allocation errors and 6 consistency errors in table ‘TimerJobHistory’ (object ID 1413580074).

DBCC results for ‘TimerScheduledJobs’.

There are 149 rows in 2 pages for object “TimerScheduledJobs”.

DBCC results for ‘sys.queue_messages_1977058079’.

There are 0 rows in 0 pages for object “sys.queue_messages_1977058079”.

DBCC results for ‘sys.queue_messages_2009058193’.

There are 0 rows in 0 pages for object “sys.queue_messages_2009058193”.

DBCC results for ‘sys.queue_messages_2041058307’.

There are 0 rows in 0 pages for object “sys.queue_messages_2041058307”.

DBCC results for ‘sys.filestream_tombstone_2073058421’.

There are 0 rows in 0 pages for object “sys.filestream_tombstone_2073058421”.

DBCC results for ‘sys.syscommittab’.

There are 0 rows in 0 pages for object “sys.syscommittab”.

DBCC results for ‘Versions’.

There are 3 rows in 1 pages for object “Versions”.

CHECKDB found 0 allocation errors and 8 consistency errors in database ‘dev.achmea.local_SharePoint_Configuration_Database’.

repair_allow_data_loss is the minimum repair level for the errors found by DBCC CHECKDB (dev.achmea.local_SharePoint_Configuration_Database).

DBCC execution completed. If DBCC printed error messages, contact your system administrator.

Reading this very carefully learned me there was something wrong with the TimerJobHistory table. DBCC CHECKDB runs three commands;

  • It runs DBCC CHECKALLOC on the database.
  • It runs DBCC CHECKTABLE on every table and view in the database.
  • It runs DBCC CHECKCATALOG on the database.

The DBCC CHECKTABLE statement confirmed that TimerJobHistory was corrupt. So I dropped the table and recreated it. Problem solved? Not really, underlying there is a hardware problem you should fix. See again MSDN.

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