Invention Grant
US09588895B2 Asynchronous movement of in-line metadata for cached volumes at storage gateways 有权
存储网关上缓存卷的在线元数据异步移动

Asynchronous movement of in-line metadata for cached volumes at storage gateways
Abstract:
Methods and apparatus for supporting cached volumes at storage gateways are disclosed. A storage gateway appliance is configured to cache at least a portion of a storage object of a remote storage service at local storage devices. In response to a client's write request, directed to at least a portion of a data chunk of the storage object, the appliance stores a data modification indicated in the write request at a storage device, and asynchronously uploads the modification to the storage service. In response to a client's read request, directed to a different portion of the data chunk, the appliance downloads the requested data from the storage service to the storage device, and provides the requested data to the client.
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