Safe data access following storage failure

A request identifier is employed with various systems and methods in order to enable an application to pause execution during a failure and subsequently resume execution and communication with a storage system once the failure is resolved. An application residing on a node may attempt to access target data on a storage system. The application sends a request to access the target data. The request may be associated with a request identifier that identifies the application. When the storage system experiences a failure, the application receives a failure notification. The application pauses execution as a result of the notification. When the node reestablishes a connection to the storage system, the application resumes execution using the same request identifier. If the resume request is granted, the application is guaranteed that the target data was not modified during the failure. 请求标识符与各种系统和方法起被采用，以便使得应用能够在故障期间暂停执行并且随后旦故障被解决则恢复执行以及与存储系统的通信。驻留在节点上的应用可以尝试访问存储系统上的目标数据。应用发送访问目标数据的请求。该请求可以与识别应用的请求标识符相关联。当存储系统经历故障