Electrical computers and digital processing systems: memory – Storage accessing and control – Specific memory composition
Reexamination Certificate
2005-10-28
2008-08-05
Portka, Gary (Department: 2188)
Electrical computers and digital processing systems: memory
Storage accessing and control
Specific memory composition
C707S793000
Reexamination Certificate
active
07409497
ABSTRACT:
A system and method efficiently guarantees data consistency to clients for one or more data containers stored on a plurality of volumes configured as a striped volume set (SVS) and served by a plurality of nodes connected as a cluster. Data consistency guarantees of data containers stored on the SVS is generally provided by delegating to data volumes (DVs) sufficient authority to autonomously service input/output (I/O) requests directed to the containers using attributes, such as timestamps, of the containers. Specifically, a DV is only allowed to service I/O requests, e.g., read and write operations, to a data container, such as a file, if it has a valid ticket book for the file. A DV requests and is granted the ticket book from a container attribute volume (CAV) on a per-file basis.
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English Robert M.
Jernigan, IV Richard P.
Kazar Michael
Cesari and McKenna LLP
Doan Duc T.
Network Appliance Inc.
Portka Gary
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