发明授权
US07925796B1 Methods, systems, and computer program products for performing an input/output (I/O) operation that includes a virtual drain 有权
用于执行包括虚拟输出的输入/输出(I / O)操作的方法,系统和计算机程序产品

Methods, systems, and computer program products for performing an input/output (I/O) operation that includes a virtual drain
摘要:
Methods, systems, and computer program products for performing an input/output (I/O) operation that includes a virtual drain. According to one aspect, the subject matter described herein includes a method for performing an input/output operation that includes a virtual drain. The method includes receiving a request to perform a consistent operation involving a storage entity, and in response to receiving the request: arresting write requests to the storage entity; performing a virtual drain, where performing a virtual drain includes identifying, and indicating as deferred, pending writes to the storage entity; performing the consistent operation; releasing write requests to the storage entity; and processing each deferred write using information that is associated with the write and that describes the context in which the write request was accepted.
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