you may obtain a .dstore related file system error when processing TFS cube

Recently we have seen a number of issues where TFS cube processing failed with a file system error. The error is always referencing the decode store (.dstore) of the primary key attribute (FileSK) of the "File" dimension. The error message typically looks similar to this:

Exception Message: File system error: The following file is corrupted: Physical file: \?T:Data1OLAPDataTfs_Analysis4.0.dbFile.0.dim52.ParentFileSK.FileSK.dstore. Logical file .