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发明授权
CN105339913B 管理不对称存储器系统的写性能 有权 转让

管理不对称存储器系统的写性能
摘要：
一些实施方式包括一种管理基于所托管的非易失性随机存取存储器(NVRAM)的存储子系统的方法。所述方法包括：在主机计算装置上的装置驱动器接收写请求，所述写请求均请求将数据的相应单元写入所述基于NVRAM的存储子系统；将所述写请求分类为写请求的群子组，其中各个子群组内的写请求是互斥的；确认所述基于NVRAM的存储子系统的多个NVRAM装置中的每一个的负载状况；根据所述基于NVRAM的存储子系统的NVRAM装置的负载状况，识别用于处理所述写请求的特定子群组的至少一个NVRAM装置上的目标位置；通过将数据的对应单元写入所述基于NVRAM的存储子系统的至少一个NVRAM装置上的所识别的目标位置来处理所述写请求的特定子群组。
摘要（英）：

Some implementations include a method of managing a hosted non-volatile random-access memory (NVRAM) based storage subsystem that includes NVRAM devices. The method includes: receiving, at a device driver on the host computing device, write requests each requesting to write a respective unit of data to the NVRAM-based storage subsystem; categorizing the write requests into subgroups of write requests, where write requests within respective subgroups are mutually exclusive; ascertaining a load condition of each of several of the NVRAM devices of the NVRAM-based storage subsystem; identifying a target location on at least one NVRAM device to service a particular subgroup of write requests according to the ascertained load conditions of the NVRAM devices of the NVRAM-based storage subsystem; and servicing the particular subgroup of write requests by writing the corresponding units of data to the identified target location on the at least one NVRAM device of the NVRAM-based storage subsystem.

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