TECHNIQUES TO PERFORM POWER FAIL-SAFE CACHING WITHOUT ATOMIC METADATA
First Claim
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1. A method comprising:
- caching data of a first device into one or more of a plurality of cache lines of a second device, wherein no state information associated with any of the cache lines is to be stored atomically with the data in the second device during caching of the data.
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Abstract
A method and system to allow power fail-safe write-back or write-through caching of data in a persistent storage device into one or more cache lines of a caching device. No metadata associated with any of the cache lines is written atomically into the caching device when the data in the storage device is cached. As such, specialized cache hardware to allow atomic writing of metadata during the caching of data is not required.
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Citations
2 Claims
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1. A method comprising:
caching data of a first device into one or more of a plurality of cache lines of a second device, wherein no state information associated with any of the cache lines is to be stored atomically with the data in the second device during caching of the data.
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2-32. -32. (canceled)
Specification