Read I/O completions outside file operating system domain
Abstract:
Conventional storage filers utilize a data reading process that requires client read request messages to be suspended in the operating system while the data is retrieved from the physical storage system. Then, once the operating system retrieves the data from the physical storage system, the operating system must restart the suspended read message in order to forward the retrieved data to the client. Accordingly, the inventors have developed a system and method that allows the physical storage system's server to send the data directly to the client rather than routing back through the operating system.
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