Using KSAM/XL and KSAM 64 (32650-90886)

Chapter 1 17
Introduction
Automatic Recovery
sequence. In this case, physical location of a record does not represent the chronological
order of written records.
Any alterations to the data area of the file, such as additions, modifications, or deletions,
are immediately available to subsequent accesses by any process. The file system
guarantees the order of concurrent data access.
Automatic Recovery
Automatic recovery maintains minimal data loss, data consistency, and recoverability from
system software and hardware failures. This recovery is provided by the transaction
management facility. If a failure occurs, all transactions in progress are backed out
automatically when the system is restarted. No data or key inconsistencies result.