Practical SQL Server

SQL Server Database Corruption, Part XIII: RECAP

One of the things I wish I had done a bit better in my previous 'series' of posts on SQL Server database corruption was provide better links and cohesion between posts—or a 'table of contents' at the top or bottom of each post—just because I always appreciate similar efforts when I stumble upon a series of posts via a set of keywords I’m searching for and so on.

SQL Server Database Corruption Series – All Posts

And while I’m sure anyone interested in this topic can easily navigate through past posts, I figured it would just be easier (and hopefully beneficial) to provide a 'round up' of all of these posts in a single location. So here goes.

  • Part I: What is Corruption. An overview of what corruption is, how it is caused and why its something DBAs really DO need to account for.
  • Part II: Simulating Corruption. An example of how to gain hands-on familiarity with what corruption looks like and how it ‘works’.
  • Part III: Preventing Corruption. An overview of how preventing corruption isn’t possible – along with an overview of what that means from a continuity standpoint in terms of responding to corruption when it happens.
  • Part IV: CHECKSUM Page Verification. An overview of why all databases should be set to CHECKSUM Page Verification as a means of helping enable early detection of corruption.
  • Part V: Storage Problem Alerts. A step by step overview of how to enable alerts for situations where SQL Server detects problems with the underlying storage system.
  • Part VI: Regular Corruption Checks. Guidance on how to set up and best use regular DBCC CHECKDB() checks of key production databases.
  • Part VII: Backups. Overview of how to include backups in the process of regularly checking for corruption by means of the CHECKSUM option.
  • Part VIII: The Importance of Backups. Overview of how backups are essential in responding to and recovering from corruption of all sorts and types.
  • Part IX: Responding to Corruption. A comprehensive check-list of what to do WHEN corruption occurs.
  • Part X: Page Level Restore Operations. A set of step by step instructions that help showcase the process of using Page Level restore operations to respond to 'small' amounts of corruption.
  • Part XI: Full Recovery Operations. A set of step by step instructions that outline the order of operations to use when recovering from large amounts of corruption or corruption against key pages.
  • Part XII: Recovery Sample. A soup-to-nuts set of examples and T-SQL that you can use to simulate the generation and correction of corruption within your own environment.
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