Clustered filesystem with interruptible token acquisition

Details Clustered filesystem with interruptible token acquisition Clustered filesystem with interruptible token acquisition

2007-04-16

2010-10-12

Cottingham, John R (Department: 2167)

Data processing: database and file management or data structures

File or database maintenance

Database backup

Reexamination Certificate

active

07814058

ABSTRACT:
A cluster of computer system nodes share direct read/write access to storage devices via a storage area network using a cluster filesystem. Access to files on the storage devices is arbitrated by the cluster filesystem using tokens. Upon detection of a change in location of the metadata server, client nodes waiting for a token are interrupted to check on the status of at least one of data and node availability.

REFERENCES:
patent: 5668958 (1997-09-01), Bendert et al.
patent: 6073132 (2000-06-01), Gehman
patent: 6185601 (2001-02-01), Wolff

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