US Patent 10146612 Historical disk error monitoring

A server that monitors errors experienced by disk drives is disclosed. The server comprises an application stored in a memory; when executed by a processor sends a request to disk drives for a count of errors experienced by the disk drives. The application sends the request at a pre-defined time period. The application sends requests at multiple time periods. The application records the count of errors experienced by the disk drives, wherein the application records previous errors that have occurred on the disk drives over multiple time periods. The application determines an acceleration of errors experienced by the disk drives, wherein an acceleration of errors is a rate of change of the count of errors per the pre-defined time period. The application determines the acceleration of errors experienced by the disk drives. The application initiates corrective actions for at least one of the disk drives.