Data backup system with methods for stripe affinity backup to mu

Details Data backup system with methods for stripe affinity backup to mu Data backup system with methods for stripe affinity backup to mu

1996-04-10

1997-09-23

Beausoliel, Jr., Robert W.

C06F 1300

Patent

active

056713509

ABSTRACT:
A data backup system implements coordination between a Database Server and a Backup Server to produce a recoverable database dump. By utilizing a technique referred to as stripe affinity, a mechanism is disclosed for ensuring the integrity of a database backup made to multiple archive devices simultaneously. In addition, by utilizing stripe affinity, archived data may be reloaded from fewer archive devices than were used to make the original backup.
A task scheduler mechanism allocates processor time among the tasks that comprise the backup system. In this way the I/O service tasks can process their event queues while the current set of allocation pages are also being processed.

REFERENCES:
patent: 5043871 (1991-08-01), Nishigaki et al.
patent: 5138710 (1992-08-01), Kruesi et al.
patent: 5379418 (1995-01-01), Simazaki et al.
patent: 5446884 (1995-08-01), Schwendemann et al.
patent: 5455946 (1995-10-01), Mohan et al.
Press Release, "Data Tools Announces SQL-Backtrack for Sybase, The Complete Database Backup and Recovery Tool." Dec. 21, 1992.

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