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SQL Server 2005 || Database backup failed because Full Text catalog files are OFFLINE

Error : Database backup is getting fail with below reason.

The backup of full-text catalog ‘FullTextCatalog’ is not permitted because it is not online. Check errorlog file for the reason that full-text catalog becomes offline and bring it online. Or BACKUP can be performed by using the FILEGROUP or FILE clauses to restrict the selection to include only online data.

Cause : This behavior occurs because a full-text catalog in the database is not online. To perform a full backup, SQL Server 2005 requires all the database files and full-text catalogs in the database to be online.

Possible Reason : The database is attached from somewhere. However, you specify the incorrect location for the full-text catalog folder during the attachment.

Solution 1 (If FTS files are available but SQL server showing offline):

1. Locate the folder that contains the files for the problematic full-text catalog.

2. Run the ALTER DATABASE statement. Specify in the statement the correct location for the full-text catalog.

3. Rebuild the problematic full-text catalog in the database.

4. Perform a full backup of the database in SQL Server 2005 again.

Solution 2 (If FTS files are not available):

1. Detach database & attach again with all MDF, NDF, LDF & FTS files.

Web Reference :

1) http://support.microsoft.com/kb/923355

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Reference : Rohit Garg (http://mssqlfun.com/)

Renaming or Changing SQL Server Cluster Instance

Renaming or Changing SQL Server cluster instance process is bit different from renaming a stand-alone instance.

Refer : Rename or Change SQL Server Standalone Default Instance http://mssqlfun.com/2014/06/30/rename-or-change-sql-server-standalone-default-instance/)

Refer : Rename or Change SQL Server Standalone Named Instance (http://mssqlfun.com/2014/07/29/rename-or-change-sql-server-standalone-named-instance/)

The name of the virtual server is always the same as the name of the SQL Network Name (the SQL Virtual Server Network Name). You can change the name of the virtual server, you cannot change the instance name like in the case of standalone named instance. You can change a virtual SQL server named SQLServerinstance1 to some other name, such as SQLServerNewinstance1, but the instance part of the name, instance1, will remain unchanged.

Rename a virtual server :-

1. Using Cluster Administrator, change the SQL Network Name or SQL Server DNS Name to the new name.

2. Take the network name resource offline. This takes the SQL Server resource and other dependent resources offline as well.

3. Bring the SQL Server resource back online.

Verify the Renaming Operation :-

1) Using @@ServerName

2) Using sys.servers

Minimize network propagation delay :-

ipconfig /flushdns

ipconfig /registerdns

nbtstat –RR

You are done ! You should ask your application teams to reconnect with new Name or if they are using IP address then no changes required.

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Reference : Rohit Garg (http://mssqlfun.com/)

Antivirus Exclusion Policy for SQL Server

Anti-virus & SQL Server on one system together are friends not enemies, if configured properly.

Anti-virus are very useful programs from security, audit & venerability detection & removal point of view. But if team managing anti-virus server did not configure anti-virus policies properly then your SQL Server is going to face the problem.

Here, we will discuss the file types that must be in exclusion list of anti-virus scanning policy. In other words, Let anti-virus programs deal with what they do best, and let SQL Server handle what it does best and avoid, at all possible costs, any interaction between the two

1. Binaries: Or the the paths to the actual executable for any of your running SQL Server Services (MSSQL, SQL Server Agent, SSAS, etc). Typically these are found, by default, in the C:\Program Files\Microsoft SQL Server folder – though this could easily be a different path on many production machines. (And, note, you’ll likely want to make sure that C:\Program Files (x86)\Microsoft SQL Server is included in any exclusions as well on x64 machines).

2. SQL Server Error Logs : Not your database log files, but the text files that SQL Server uses to keep its own ‘event logs’ running or up-to-date. (Which, in turn is also different than Windows’ system event logs as well.) By default the path to these files is, in turn, covered in the paths outlined above – or it’s part of the ‘program files’ data associated with your binaries – though you CAN move the location of these logs if desired (as an advanced operation via the startup parameters).)

3. Data And Log Files: Your actual .mdf, .ndf, and .ldf files – or the locations of your data files and log files. (Which you’ll want to make sure get excluded from anything that anti-virus monitors – otherwise creation of new databases, file-growth operations, and other normal ‘stuff’ can/will get blocked by anti-virus operations – which would be fatal in many cases.)

4. Backups: Yes, the path to any of your backups – or backup locations is also something you’ll want to make sure that anti-virus doesn’t monitor.

5. Others: Any other files related to SQL server & for its proper working. Like .TUF, .SS, .TRC etc.

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Reference : Rohit Garg (http://mssqlfun.com/)

ERROR || The query processor is unable to produce a plan because the index ‘IND_TABLE’ on table or view ‘Table’ is disabled.

Table with clustered index is totally depended on index accessibility.

ERROR : The query processor is unable to produce a plan because the index ‘IND_TABLE’ on table or view ‘Table’ is disabled.

REASON : We find that some disable the cluster index due to which issue occur. Clustered index physically sort & save data in pages. When clustered index is disable, DB engine is not able to access data although data is available with table.


Note :

· There is no option to ENABLE the Index. You have to REBUILD or DROP & RECREATE it.

· This is not the case with non-clustered index.

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Reference : Rohit Garg(http://mssqlfun.com/)

Database Snapshot failed due to disk space issue

Database snapshot is really a useful feature. As we know, Snapshot database file will keep increasing parallel to the DML operations on database. But if disk containing snapshot file run out of space then what will be the impact on new transactions, database & snapshot?

Microsoft design snapshot in very well manner. If Snapshot failed to records the data changed by DML transaction due to disk space issue then your snapshot will become unusable & reaches to suspect mode and on the other hand your actual database will keep running un-impacted.

Snapshot database cannot be recovered from suspect state so you need to drop & recreate the snapshot database.

1) While running below transaction, We got error that unable to write on snapshot file due to disk space issue.

2) We check data in table to check id transaction completed successfully or failed due to snapshot issue. We found transaction is completed & database is running fine.

3) After that, When we try to select snapshot database, We got error that database is suspect mode.

4) We also try to bring snapshot database in emergency mode to see if we can troubleshoot it but We got error that this operation can not be performed on snapshot database.

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Reference : Rohit Garg (http://mssqlfun.com/)

DMV-15 : Pending I/O requests……..sys.dm_io_pending_io_requests

sys.dm_io_pending_io_requests DMV (Dynamic Management View), described by BOL as follows: http://msdn.microsoft.com/en-us/library/ms188762.aspx

Returns a row for each pending I/O request in SQL Server.

It’s a very simple DMV used to see all pending I/O requests & there description.

You can combine this DMV with DMF – sys.dm_io_virtual_file_stats to see I/O pending requests with database files. You should run this query multiple times to check if the same files or drive letters consistently coming up on the top. If this is the case that means you facing I/O bottlenecks for that file or drive letter.

Query 1 : Details of I/O pending requests against each DB file





















1. To use this DMV, User required VIEW SERVER STATE permission on the server.

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Reference : Rohit Garg (http://mssqlfun.com/)

How to Check SQL Server Evaluation Version Expire Date ?

SQL Server Evaluation Edition is available free of cost. It’s a trial version & valid for limited time of period. The expiration date is always 180 days from the initial installation date.

The following query will give you the expiration date of evaluation instance :







WHERE SID = 0X010100000000000512000000

SID 0X010100000000000512000000 is associated with login “NT AUTHORITYSYSTEM” & which is created at the time of installation only.

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Reference : Rohit Garg (http://mssqlfun.com/)


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