Fixed SQL Database Error 824

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How To Fix SQL Database Error 824 - Causes & Solutions

Recently my friend was facing SQL database error 824 while working with the server database. After encountering error 824, she was unable to access the serves NDF and MDF files. I helped her to fix it and like to help others who are facing the same issue. Therefore I’m writing this blog to demonstrate how to fix SQL database error 824 quickly and safely.

SQL servers are the best database management system of all the time. However, despite being the perfect functioning tool it faces various errors periodically. One such error is SQL error 824 which originated due to logical consistency and is a fatal error.

SQL error code 824 is a logical Input/Output (I/O) error means the page is successfully read from the disk however there is an issue in the page itself. In simple words, the main reason for error 824 is a corrupted database where corruption is transpired due to a faulty I/O subsystem component.

Cause for SQL Database Error 824

There are several reasons for the cause of the SQL server error which are as follows:

  1. SQL servers uses Windows API’s to execute I/O operations. Once the I/O operation is executed, server checks for any errors related to APIs. If the API fails then sever receive report error 824.
  2. Insufficient storage capacity on hard drive is one common cause for this error.
  3. Software or hardware failure also triggers this error.
  4. Corrupt or damaged database files are the prime reason for the problem.

This server database error 824 affects the functionality and integrity of the database. Therefore it is always advised to perform regular check of the database via the free inbuilt utility.

Methods to fix SQL Database Error 824

There are two methods that you can use to fix SQL error 824:

  1. Manual solution
  2. Automated SQL Database Repair Tool

Did You Know - Causes & Solution to Fix SQL Server Error 926

Manual Solution

  • Step 1. Thoroughly examine the suspect_page table in msdb to verify that other pages are not facing the same error.
  • Step 2. With the help of inbuilt DBCC CHECKDB command check the state of consistency of the SQL server database.
  • Step 3. If the PAGE_VERIFY CHECKSUM database is not switched on, then turn it on asap.
  • Step 4. Utilize the SQLIOSim tool to verify the state of the SQL 824 error.
  • Step 5. Check whether the error has occurred due the OS, drivers or storage device. Use Windows event logs to check.

It is recommended to create a backup of the SQL server database before attempting to resolver error. Follow these steps to generate backups:

  1. Close all the SQL services.
  2. Now copy and save the corrupted database at a new location on the drive.
  3. Restart SQL server and create a blank SQL database with the same name.
  4. Separate the new database with the original database and run the following commands/query.
  • EXEC sp_resetstatus ‘db_name’ ;
  • ALTER DATABASE db_name SET EMERGENCY
  • DBCC CHECKDB(‘db_name‘)
  • ALTER DATABASE db_name SET SINGLE_USER Mode
  • With ROLLBACK IMMEDIATE DBCC CHECKDB (‘db_name’ , REPAIR_ALLOW_ DATA_LOSS)
  • ALTER DATABASE ‘db_name’ SET MULTI_USER

Using the above steps you can troubleshoot SQL error 824. However, there are some drawbacks of these methods and few of them are mentioned below:

  • Complex and hard to follow for novice users.
  • Very time consuming and one small mistake can corrupt the whole database.
  • Not very safe as there is a risk of permanent damage to the database.
Automated SQL Database Repair Tool

The best alternative to remove SQL server database error 824 is to use a fully automated professional SQL database repair tool. This tool is developed with a high-end algorithm which can easily recover tables, views, stored procedure, programmability, triggers, default, and functions. It two recovery modes can recover maximum possible data from the damaged database. Also, it can even repair corrupted MDF and NDF files. The interface of this tool is simple and self-understanding which aids novice users.

Conclusion

We have discussed several manual methods and a automated solution to fix SQL database error 824. You can use any one of them according to your convenience, however, if you want a quick and 100% safe result then you should opt SQL database repair tool.

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