Tag Archives: data file

I/O error 21(The device is not ready.) on an ONLINE database

Sunday late night, I got a call stating that one of the warehouse databases was throwing this error while the Application job was running. “Microsoft OLE DB Provider for SQL Server: I/O error 21(The device is not ready.) detected during … Continue reading

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File cannot be shrunk as it is either being shrunk by another process or is empty

On Monday on one of the Production Instances we had a High Severity Incident. The problem was that a database which never exceeded 40 GB in size had started growing at a rate of ~10 GB per hour! This database … Continue reading

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