Electrical computers and digital processing systems: multicomput – Multicomputer data transferring via shared memory
Reexamination Certificate
2005-03-08
2005-03-08
Moazzami, Nasser (Department: 2187)
Electrical computers and digital processing systems: multicomput
Multicomputer data transferring via shared memory
C709S220000, C711S170000, C714S006130
Reexamination Certificate
active
06865597
ABSTRACT:
A system and method for providing highly-available volume mount points is disclosed. According to one embodiment, in a system including a shared storage resource coupled to a server cluster and accessible by a node of said server cluster, a volume mount point is provided within the shared storage resource. According to another embodiment, the shared storage resource includes a base volume and a target volume and a volume mount point corresponding to the target volume is provided within the base volume. A first mount is configured corresponding to the target volume and a mount order dependency relationship is defined between the first mount and a second mount corresponding to the base volume. Embodiments of the present invention may be used to ensure that a new (secondary) node accesses a shared disk or volume in the same way it was accessed before a transition event (e.g., failover or switchover).
REFERENCES:
patent: 5287453 (1994-02-01), Roberts
patent: 6119131 (2000-09-01), Cabrera et al.
patent: 6125373 (2000-09-01), Momoh et al.
patent: 6591356 (2003-07-01), McMurdie et al.
patent: 20030018927 (2003-01-01), Gadir et al.
Bandopadhyay Tushar
Pangarkar Mangesh D.
Campbell Stephenson Ascolese LLP
Moazzami Nasser
Veritas Operating Corporation
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