Methods to Fix SQL Server Error 824 Severity 24 State 2 in Database

“Hello! I am new to this forum. Kindly help me by solving this issue. I have been using SQL Server 2008 R2 for quite some time. Till now there have been no issues and everything was going fine. Only two days back, the SQL Server stopped working. There was no apparent reason and I am still wondering about its cause. Moreover, when it stopped, an error message appeared that says: ‘SQL Server Detected A Logical Consistency-Based I/O Error: Incorrect Checksum. (Microsoft SQL Server Error 824).’ Please help me to fix this problem. I will be very grateful. Thanks.”

SQL Server is a relational database management system. Due to ease of use and other features, it has gained immense popularity. Therefore, its usage as a database management system is very common. Just because it is full of useful features, does not mean it has no demerits. For SQL Server users, various types of error are not unusual. When SQL database faces any error it usually stops working. So, as an SQL Server user, people have no way to ignore the errors.

For this post, we have chosen to discuss SQL Error 824 Severity 24 State 2. This is a logical consistency related error that occurs frequently to SQL Database users. Also, as readers can see in the beginning, multiple users have asked for the solution to this error. Therefore, we will talk about the symptoms, reasons, and solutions for this error message.

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What is SQL Server Error 824 Severity 24 State 2?

This page-level error 824 SQL Server usually occurs due to the logical inconsistency of SQL Server database. When some issue is there in the page while performing read/write command. This error appears.

The SQL error message 824 comes with various information in it. Once you know the meaning of all parts of the error message, you will have a better understanding of the error.

• The file belongs to which database
• I/O operation was performed against which database file
• Whether the operation was read or write
• The I/O operation was related to which page number
• Complete information about the failed logical consistency check (Actual and expected value used for checking, the category of checking, etc.)

SQL Error 824 Attach Database – Critical Reasons

It is not quite easy to determine the exact cause of this error. Many facts can contribute to the occurrence of SQL Server error 824 severity 24 state 2.

• Insufficient Storage: If the SQL Database does not have sufficient storage space, there will be an error for users to accommodate their SQL Database files. Therefore, this error occurs on the server that further troubles the users.
• Driver Issue: Damaged drive (also a hardware element) that is located in the I/O path can also be the main culprit behind this error. Regular maintenance of the SQL Server hardware components is crucial to prevent such error.
• File System inconsistency: Any sort of inconsistency in the file system can be the cause that the user is getting SQL Error 824. Evidently, users must maintain proper logs to prevent any kind of inconsistency in the primary, secondary, or log files.
• Damaged Database: If SQL Server Database is damaged in any way, it will show SQL error 824 attach database during the operations. Here, damage involves false drives, corruption in the files, & any other unwanted state of the software or hardware.
• False Input Data: False user’ login credentials are a big reason why users get not only this but other types of errors as well. Therefore, we recommend users to have basic knowledge of SQL technicalities to avoid such mistakes.

How to Fix SQL Server Error 824 Severity 24 State 2

If you have encountered this error message while running SQL Server, you can try these remedial techniques sequentially.

1. Check if any other page (whether in the same or different databases) is having the same error. To do that, review the table in MSDB that contains the suspect pages.
2. You should also check the database consistency with DBCC CHECKDB command. If some issues are there, troubleshoot them. It has to be the database situated in the same volume mentioned in the error 824 error message.
3. If the PAGE_VERIFY CHECKSUM database option is turned off in the database with error 824, turn it on immediately. Though this error can be the result of many reasons, CHECKSUM is the best way to verify page consistency after a page gets written to disk.
4. Go through Windows Event logs to see if any error got reported by Operating System, Device Driver or Storage Device. Afterwards, if the reports or messages are any way connected to error 824, resolve those errors first. Guess, an event like “The driver detected a controller error on \Device\Harddisk4\DR4” is present in the event log, being reported by the Disk Source. Then you have to find if the file is located in this device and then resolve the disk errors.
5. There is s built-in utility in SQL Server 2008 named SQLIOSim. Evidently, it can be used to know if the error can be recreated outside regular SQL I/O requests. Also, remember to find this utility within SQL Server 2008 and you do not have to download it separately.
6. You have to work in collaboration with hardware vendor or device manufacturer in order to evaluate:

• If the hardware and their configuration match the requirements of SQL Server IQ.
• If all hardware (drivers) and software elements of I/O path device are up to date or not.

7. Proceed to fix fatal error 824 occurred by examining I/O path health. If you have any diagnostic utilities provided by the hardware vendor or device manufacturer, use those.
8. Evaluate Filter Drivers existing in I/O requests path that is facing problems:

• If an update is available for the filter drivers.
• Is it possible to remove or disable filter drivers to check if the error 824 goes away or not.

Fix SQL Error 824 Attach Database Automatically with Software

Now, in case, users are facing the error due to database file damages, users must fix this using the above mentioned automated software. The advanced software can easily fix the corrupted SQL database files.

Download the utility & then follow the below mentioned steps in detail:

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Step-1. Launch the Utility in the system to begin the operation.

Step-2. Now, Click on the Open button to Add MDF/NDF files.

Step-3. Set the Quick or Advance Scan mode to scan files.

Step-4. Enter the Destination Platform & path to proceed.

Step-5. Click on Export/Save to fix SQL Server error 824.

Concluding Words

In this post, we have discussed SQL Server error 824 severity 24 state 2. Since this error can be fatal, users should immediately take necessary steps to get rid of this error. Also, users can implement the solutions mentioned here and become free from this error. Finally, if these methods fail to solve the problem, they can take help of the advanced utility. This software is capable of solving all types of SQL database corruption.

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