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Storage system, and control method, job scheduling processing method, and failure handling method therefor, and program for each method

机译:存储系统及其控制方法,作业调度处理方法和故障处理方法以及每种方法的程序

摘要

An arbitrary number of a plurality of physical devices are mapped to each logical device provided for a host as a working unit, while considering a priority given to each logical device, and with each physical device being made up of a plurality of disk devices. This arrangement allows dirty data to be quickly saved to the disk devices in the order of logical device priority in the event of a failure. Furthermore, jobs are preferentially processed for important tasks in the event of a failure to reduce deterioration of the host processing performance.
机译:任意数量的多个物理设备映射到作为工作单元为主机提供的每个逻辑设备,同时考虑给予每个逻辑设备的优先级,并且每个物理设备由多个磁盘设备组成。这种安排可以在发生故障时按照逻辑设备优先级的顺序将脏数据快速保存到磁盘设备。此外,如果未能减少主机处理性能的下降,则优先处理重要任务的作业。

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