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1. 发明授权

US08407437B1 Scalable metadata acceleration with datapath metadata backup 有权
标题翻译：可扩展元数据加速与数据路径元数据备份
公开(公告)号：US08407437B1
公开(公告)日：2013-03-26
申请号：US13419641
申请日：2012-03-14
申请人： Wen-Chen Cheng , Rajesh Nair
发明人： Wen-Chen Cheng , Rajesh Nair
IPC分类号： G06F12/00
CPC分类号： G06F11/108 , G06F11/1092 , G06F11/2082 , G06F11/2087 , G06F2211/104
摘要： A system, method and computer program product for scalable metadata acceleration with datapath metadata backup as disclosed includes providing a plurality of metadata comprising variable block pointers for the physical location of system data. The method also includes storing at least a first and a second metadata in two or more solid state memories accelerated with respect to a read and a write of a memory in a datapath, each solid state memory configured as a logical copy of the other. The method additionally includes interleaving a backup metadata in a datapath memory at a variable interval based on a table of block pointers. The method further includes querying the accelerated metadata for an accelerated datapath operation of the system and querying the interleaved metadata and/or a logical mirror of the accelerated metadata for a rebuild operation of the accelerated metadata, each query determinable by the table of block pointers.
摘要翻译：用于通过数据路径元数据备份进行可扩展元数据加速的系统，方法和计算机程序产品包括提供包括用于系统数据的物理位置的可变块指针的多个元数据。该方法还包括至少将第一和第二元数据存储在相对于数据通路中的存储器的读取和写入加速的两个或多个固态存储器中，每个固态存储器被配置为另一个的逻辑副本。该方法另外包括基于块指针表以可变间隔交织数据路径存储器中的备份元数据。该方法还包括查询加速元数据以加速系统的数据路径操作，并查询加密元数据的交错元数据和/或加速元数据的逻辑镜像，以便加速元数据的重建操作，每个查询可由块指针表确定。

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