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I try to save my database ≈ 260 Mb

I have this error :

System.Data.SqlClient.SqlError : failure read function incorrect

So I try : DBCC CHECKDB ('myDatabase') PHYSICAL_ONLY

I have this error :

Msg 8921, Level 16, State 1, Line 1 Stop control. An error occurred while collecting the facts. Insufficient space in tempdb or inconsistency of a system table. Check out the previous errors.

I have same error without PHYSICAL_ONLY but the rest seems normal

DBCC CHECKDB ('myDatabase') WITH ESTIMATEONLY :

9357520 Kb => 9 357,52 Mb

SELECT SUM(unallocated_extent_page_count) AS [free pages], (SUM(unallocated_extent_page_count)*1.0/128) AS [free space in MB] FROM sys.dm_db_file_space_usage;

free space in MB : 30 389 Mb

DBCC SQLPERF(LOGSPACE)

tempbd : - Log size : 13 299 Mb - Space Used (%) : 0.01%

I do not know why this does not work

Edit : When I try xcopy (database offline) I get this error :

target volume does not support symbolic links

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  • Can you restore a backup to another server and run the check there? – Erik Darling Nov 26 '17 at 0:15
  • I don't have any backup – xav-stargate Nov 26 '17 at 8:21
  • try to run dbcc checkdb on the system databases and share the results – Eduardo Pivaral Nov 26 '17 at 15:14
  • @EduardoPivaral Same error on the begining : Msg 8921, Level 16, State 1, Line 1 Stop control. An error occurred while collecting the facts. Insufficient space in tempdb or inconsistency of a system table. Check out the previous errors. [..............] CHECKDB found 0 allocation errors and 0 consistency errors in database 'myDatabase' – xav-stargate Nov 27 '17 at 13:41
  • How much free space is on the drive where your tempdb data file is? If there is free space there, is tempdb configured for auto-growth? how much space does it add each time it grows? Is there enough free space for it to grow at least once? – RDFozz Nov 27 '17 at 23:30
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is it a physical or a virtual server? Please make a chkdsk on your filesystem where the database are stored.

Please also try a BACKUP DATABASE with CONTINUE_AFTER_ERROR:

BACKUP DATABASE AdventureWorks2012   
 TO DISK = 'Z:\SQLServerBackups\AdvWorksData.bak'  
   WITH CHECKSUM, CONTINUE_AFTER_ERROR;  
GO

More information about this here:

https://docs.microsoft.com/de-de/sql/relational-databases/backup-restore/specify-if-backup-or-restore-continues-or-stops-after-error

Regards, Björn

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  • chkdsk : none error (4 disk : RAID 5) & same error with the continue_error : failure read – xav-stargate Nov 27 '17 at 12:08
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I resolve my issue : since the CHECKDB did not send me anything extraordinary, I decided to export the tables one by one. And there a table did not want to be exported with exactly the same error. It was a temporary table I deleted it and now everything is working again. (Note: The DBCC TABLE was returning the same error : "An error occurred while collecting the facts. Insufficient space in tempdb or inconsistency of a system table")

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