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1. 发明申请

US20120254531A1 STORAGE APPARATUS AND STORAGE CONTROL DEVICE 审中-公开
标题翻译：存储设备和存储控制设备
公开(公告)号：US20120254531A1
公开(公告)日：2012-10-04
申请号：US13357926
申请日：2012-01-25
申请人： Kazuhiro URATA , Kazuo Nakashima
发明人： Kazuhiro URATA , Kazuo Nakashima
IPC分类号： G06F12/02 , G06F12/08
CPC分类号： G06F12/0871
摘要： A storage apparatus configured to store data received from a host system in a drive unit includes a memory unit partitioned into a cache area configured to temporarily store data read out from the drive unit and data to be written in the drive unit and an information storage area assigned for a memory pool configured to hold information for internal processing of the storage apparatus; an information-storage-area management table in which information-storage-area management information including position information on the memory pool in the memory unit is registered; a cache-area management table in which cache-area management information including usage status of the cache area is registered; and a memory control unit configured to acquire a memory area in the cache area having the least amount of write pending data in a pending state for writing in the drive unit by referring to the cache-area management table.
摘要翻译：一种被配置为将从主机系统接收的数据存储在驱动单元中的存储装置包括：分割成缓存区域的存储单元，该高速缓存区域被配置为临时存储从驱动单元读出的数据和要写入驱动单元的数据;以及信息存储区域被配置为存储用于存储设备的内部处理的信息的存储器池; 信息存储区管理表，其中登记有存储单元中的存储池的位置信息的信息存储区管理信息; 缓存区域管理表，其中登记了包括高速缓存区域的使用状态的高速缓存区域管理信息; 以及存储器控制单元，被配置为通过参考高速缓存区域管理表来获取具有待处理状态的最少写入挂起数据量的高速缓存区域中的用于写入驱动单元的存储器区域。

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