Patent ID: 7660833
Filing Date: 2010-02-09
Classification: G06F,Y10S

Abstract:
1. A computer storage media storing computer-executable instructions that when executed perform a method comprising: receiving a first fence value and first meta-data of the first member of a replica set, wherein the first fence value is independent of any change made to content of the first member of the replica set and is used to resolve a conflict between information in the first member of the replica set and information in the second member of the replica set; comparing the first fence value with a second fence value of a second member of the replica set; determining whether the first fence value has precedence over the second fence value; based on the determining, changing content of the second member to reflect content of the first member; and changing second meta-data of the second member to indicate a change in the content of the second member and maintaining the second fence value unchanged, wherein the second fence value is independent of any change made to the content of the second member.