How do I get SQL database out of suspect mode?

How do I get SQL database out of suspect mode?

Based on experience and practice, there is a proven way to recover MS SQL from Suspect Mode:

  1. Step 1: Switch the database to the Emergency Mode.
  2. Step 2: Perform the function Consistency Check on the Master Database.
  3. Step 3: Bring the database into Single User Mode, and then roll back the previous transactions.

How do I delete a database from suspect mode in SQL Server 2014?

Why Do We Need to Remove Database from Suspect Mode

  1. Major causes:
  2. Step1. Turn off the suspect flag and Set the status of your database to Emergency mode.
  3. Step2.
  4. Syntax: DBCC checkdb(‘DatabaseName’)
  5. Step3.
  6. Syntax: ALTER DATABASE database_name SET SINGLE_USER WITH ROLLBACK IMMEDIATE.
  7. Step4.
  8. Step5.

How do I add a database to suspect mode?

Creating a Suspect SQL Database

  1. Create a new database with a single table and some demo rows to use for this purpose.
  2. Begin a transaction, update a row, and then run CHECKPOINT to force changes to disk.
  3. Shutdown SQL server (using NOWAIT)
  4. Use XVI32 to modify the data or log file and cause corruption.

What does it mean when SQL server goes into suspect mode?

When connecting to the SQL Server database for instance, if you find a message indicating that the database is in the suspect mode, it means the server suspects the primary filegroup of the database to be damaged. When SQL database goes into the suspect mode, it becomes inaccessible.

Is there a database snapshot that has failed an IO operation?

Database snapshot ‘devDB_seq1501_rba63692865’ has failed an IO operation and is marked suspect. It must be dropped and recreated. This article: https://support.microsoft.com/en-us/kb/2002606 mentions a similar sort of issue (the 665 error) on a heavily fragmented file system, but I’m not really sure how to approach this.

How big is a SQL database snapshot file?

I can create multiple snapshots of this database and they function perfectly fine until the actual size on disk reaches 38.1GB. At this point there is still well over 150GB of free space on the drive. After that the SnapShot file encounters an IO error and the snapshot enters SUSPECT mode. Here’s the error message in the SQL ERRORLOG: