DETECTION OF OUT-OF-BAND ACCESS TO A CACHED FILE SYSTEM
First Claim
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1. A method for operating a cache appliance system, the method being implemented by one or more processors and comprising:
- connecting to a networked file system so that the cache appliance system intercepts traffic as between a plurality of clients and the networked file system while storing data corresponding to file system objects provided by the networked file system;
detecting, at the cache appliance system, a change to the networked file system that is not a result of the intercepted traffic; and
in response to detecting the change to the networked file system, performing one or more operations to maintain coherency as between the networked file system and the stored data of the cache appliance system.
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Abstract
A network attached storage (NAS) caching appliance, system, and associated method to detect out-of-band accesses to a networked file system.
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Citations
21 Claims
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1. A method for operating a cache appliance system, the method being implemented by one or more processors and comprising:
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connecting to a networked file system so that the cache appliance system intercepts traffic as between a plurality of clients and the networked file system while storing data corresponding to file system objects provided by the networked file system; detecting, at the cache appliance system, a change to the networked file system that is not a result of the intercepted traffic; and in response to detecting the change to the networked file system, performing one or more operations to maintain coherency as between the networked file system and the stored data of the cache appliance system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A computer-readable medium for operating a cache appliance system, the computer-readable medium including instructions that, when executed by one or more processors, cause the one or more processors to perform operations that comprise:
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connecting to a networked file system so that the cache appliance system intercepts traffic as between a plurality of clients and the networked file system while storing data corresponding to file system objects provided by the networked file system; detecting, at the cache appliance system, a change to the networked file system that is not a result of the intercepted traffic; and in response to detecting the change to the networked file system, performing one or more operations to maintain coherency as between the networked file system and the stored data of the cache appliance system. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification