Enscribe is one of the database for HP Non Stop Tandem, it is a file system database which has. High Level Access to Database. Ensures Data Integrity. Partitioned Files. Five disk file structures. Transaction auditing through TMF. Some of the features & terminology used for Ensribe file systems: File – Collection of records. Format 1 and Format 2 – It’s a static attribute and is established when the file is created. If the size of the file is less then 2GB-1MB then its format 1 file else Format 2 file. Cache buffering. Record locking and file locking. Sector – The smallest unit of disk I/O.