Recovery Techniques for Database Systems
ACM Computing Surveys (CSUR)
Time, clocks, and the ordering of events in a distributed system
Communications of the ACM
The notions of consistency and predicate locks in a database system
Communications of the ACM
Notes on Data Base Operating Systems
Operating Systems, An Advanced Course
Restart and recovery in a transaction-oriented information processing system
SIGFIDET '74 Proceedings of the 1974 ACM SIGFIDET (now SIGMOD) workshop on Data description, access and control
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This paper presents the structure and concepts of two main functional components of the distributed file management system DISCO: The component 'access management for logical files' is responsible for the access to the distributed data. In order to achieve parallel transaction processing a page buffer system is maintained. It is shown how this page buffer system fits into the recovery concepts of DISCO. The main tasks of the 'management of the catalog for logical files' are to provide a network wide unique naming space and to provide file description and mapping. The structure of the catalog system and the mechanism to preserve consistency of redundant file descriptions are described.