Cluster families for cluster selection and cooperative replication

摘要

Cluster families for cluster selection and cooperative replication are created. The clusters are grouped into family members of a cluster family base on their relationships and roles. Members of the cluster family determine which family member is in the best position to obtain replicated information and become cumulatively consistent within their cluster family. Once the cluster family becomes cumulatively consistent, the data is shared within the cluster family so that all copies within the cluster family are consistent. Each family member in the family replicates 1/Nth volumes and N represents a total number of cluster family members in the family.