Join protocol for a primary-backup group with backup...

Details Join protocol for a primary-backup group with backup... Join protocol for a primary-backup group with backup...

2007-07-17

2007-07-17

Bonzo, Bryce (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S006130, C714S014000

Reexamination Certificate

active

10626088

ABSTRACT:
Members of a primary-backup group in a clustered computer system are organized into subgroups to manage primary and backup resources being managed by the group. Group members are placed into subgroups based upon their access to particular resources, such that a primary subgroup may be defined comprised of members having access to a common primary resource, with one or more backup subgroups defined comprised of members having access to a common backup resource. A join protocol is used to determine to which of a plurality of resources managed by the primary-backup group a joining member has access, and to add the joining member to a subgroup for a resource to which the joining member has access.

REFERENCES:
patent: 6594786 (2003-07-01), Connelly et al.
patent: 2001/0056461 (2001-12-01), Kampe et al.
patent: 2003/0061132 (2003-03-01), Yu et al.
patent: 2003/0204539 (2003-10-01), Bergsten
Patent Application entitled “Primary-Backup Group With Backup Resources Failover Handler,” filed on even date herewith by Michael J. McDermott et al.

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