Finer grained quiescence for data replication

Details Finer grained quiescence for data replication Finer grained quiescence for data replication

1997-05-30

1999-11-23

Black, Thomas G.

Data processing: database and file management or data structures

Database design

Data structure types

707 10, 707200, 707203, 707204, 707205, 39520035, 39520062, 39518218, 39520054, G06F 1730

Patent

active

059917687

ABSTRACT:
A method and apparatus for performing an administrative function on an object, replicated at a plurality of sites, suspends or "quiesces" replication activities at the granularity of an object group. Each object resides in an object group, and each object group has a status flag that indicates whether replication activities are quiesced. In response to detecting a request to perform an administrative function on an object, replication activities are suspended for the object group. Previous transactions are propagated to other sites. When each site has propagated all the previous transactions, the administrative function is performed and replication activities for the object group are resumed.

REFERENCES:
patent: 5577211 (1996-11-01), Annapareddy et al.
patent: 5664173 (1997-09-01), Fast
patent: 5684945 (1997-11-01), Chen et al.
patent: 5765165 (1998-06-01), Harper
patent: 5771669 (1998-06-01), George et al.

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