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公开(公告)号：US09280493B2
公开(公告)日：2016-03-08
申请号：US14141792
申请日：2013-12-27
发明人： Yunhai Liu , Guanyu Zhu
CPC分类号： G06F13/10 , G06F9/4405 , G06F9/4411
摘要： Embodiments of the present disclosure relate to a method and a device for enumerating input/output devices (IO devices). The method for enumerating input/output devices includes: acquiring an identifier of each processor and an identifier of each input/output (IO) centralized controller in a system; separately instructing processors to simultaneously enumerate a specific IO centralized controller and an input/output IO device connected to the specific IO centralized controller, according to the identifier of each processor and the identifier of each IO centralized controller; and acquiring related information of IO devices enumerated by the instructed processors. According to the embodiments of the present disclosure, the work of enumerating the system IO devices may be allocated to multiple processors to be carried out simultaneously, so as to greatly reduce time consumed in the enumeration process, and to accelerate a system initialization process.
摘要翻译： 本公开的实施例涉及一种用于枚举输入/输出设备（IO设备）的方法和设备。 用于枚举输入/输出设备的方法包括：获取每个处理器的标识符和系统中每个输入/输出（IO）集中控制器的标识符; 分别指示处理器根据每个处理器的标识符和每个IO集中控制器的标识符同时列举特定IO集中控制器和连接到特定IO集中控制器的输入/输出IO设备; 并且获取被指示的处理器枚举的IO设备的相关信息。 根据本公开的实施例，枚举系统IO设备的工作可以被分配给要同时执行的多个处理器，以便大大减少在枚举过程中消耗的时间并且加速系统初始化过程。
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公开(公告)号：US10452562B2
公开(公告)日：2019-10-22
申请号：US15257928
申请日：2016-09-07
发明人： Hsing Mean Sha , Qingfeng Zhuge , Guanyu Zhu
IPC分类号： G06F12/00 , G06F12/109 , G06F16/11 , G06F16/17 , G06F12/1009 , G06F3/06
摘要： Embodiments of the application provide a file access method. A computing node receives a file open request that carries a file identifier. The computing node obtains an index node of a file that is identified by the file identifier. The computing node further obtains, based on the index node, a physical address space of a memory area in a file storage area, in which the file is stored. The computing node allocates a virtual address space to the file, and recodes a virtual-physical address mapping relationship by using a memory page table. The virtual-physical address mapping relationship includes a mapping relationship between the virtual address space and the physical address space.
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公开(公告)号：US20160266847A1
公开(公告)日：2016-09-15
申请号：US15159613
申请日：2016-05-19
发明人： Jiwu Shu , Jie Fan , Guanyu Zhu
IPC分类号： G06F3/06
CPC分类号： G06F3/0659 , G06F3/0619 , G06F3/0673 , G06F11/1008 , G11C11/419 , G11C13/0035 , G11C16/10 , G11C29/08 , G11C2029/4402
摘要： A write method and a write apparatus for a storage device, where the write method includes: acquiring n numerical values that need to be written; determining n bits corresponding to the n numerical values, and information about a stuck-at fault included in the n bits; grouping the n bits into B groups of bits, so that the B groups of bits meet a grouping condition; and correspondingly writing the n numerical values according to information about a stuck-at fault included in each group of bits in the B groups of bits and a numerical value that needs to be written and that is corresponding to the information about the stuck-at fault included in each group of bits in the B groups of bits.
摘要翻译： 一种用于存储设备的写入方法和写入装置，其中写入方法包括：获取需要写入的n个数值; 确定对应于n个数值的n个比特，以及关于包含在n个比特中的卡住故障的信息; 将n个比特分组为B组比特，使得B组比特满足分组条件; 并根据B组位中每一比特组中所包含的卡住故障信息和需要写入的数值相应地写入n个数值，并且与关于卡住故障的信息相对应 包含在B组位中的每组位中。
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公开(公告)号：US11237980B2
公开(公告)日：2022-02-01
申请号：US16910198
申请日：2020-06-24
发明人： Huan Zhang , Jun Xu , Guanyu Zhu
IPC分类号： G06F12/10 , G06F12/1009 , G06F12/0882 , G06F12/14
摘要： A file page table management method. The file page table management method is applied to a storage system in which a file system is created in a memory. According to the file page table management method, a mapping manner of a file page table can be dynamically adjusted based on an access type of an access request for accessing the memory, thereby improving memory access efficiency and saving memory space.
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公开(公告)号：US10061711B2
公开(公告)日：2018-08-28
申请号：US15445349
申请日：2017-02-28
发明人： Guanyu Zhu , Jun Xu , Qun Yu
IPC分类号： G06F12/00 , G06F12/1009 , G06F12/109
CPC分类号： G06F12/1009 , G06F3/061 , G06F3/0643 , G06F3/0679 , G06F12/00 , G06F12/109 , G06F16/13 , G06F2212/1024 , G06F2212/651 , G06F2212/656 , G06F2212/657
摘要： A file access method and apparatus, and a storage system are provided. After receiving a file access request from a process, a first physical address space is accessed according to a preset first virtual address space and a preset first mapping relationship between the first virtual address space and the first physical address space, where the first physical address space stores a file system. After obtaining an index node of a target file from the first physical address space according to a file identifier of the target file carried in the file access request, a file page table of the target file is obtained according to file page table information. The file page table records a second physical address space in the first physical address space. The target file is accessed according to the second physical address space.
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公开(公告)号：US20180143787A1
公开(公告)日：2018-05-24
申请号：US15873634
申请日：2018-01-17
发明人： Jiwu Shu , Jie Fan , Guanyu Zhu
摘要： A write method and a write apparatus for a storage device, where the write method includes: acquiring n numerical values that need to be written; determining n bits corresponding to the n numerical values, and information about a stuck-at fault included in the n bits; grouping the n bits into B groups of bits, so that the B groups of bits meet a grouping condition; and correspondingly writing the n numerical values according to information about a stuck-at fault included in each group of bits in the B groups of bits and a numerical value that needs to be written and that is corresponding to the information about the stuck-at fault included in each group of bits in the B groups of bits.
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公开(公告)号：US20170285956A1
公开(公告)日：2017-10-05
申请号：US15625385
申请日：2017-06-16
发明人： Changliang Xue , Wenlong Huang , Guanyu Zhu , Jun Xu
IPC分类号： G06F3/06
CPC分类号： G06F3/064 , G06F3/0616 , G06F3/0679 , G06F17/30 , G06F17/30247 , Y02D10/45
摘要： A storage space management method and apparatus, where the method and apparatus are applied to a non-volatile memory (NVM). In a feature set that includes M image features of M idle blocks in storage space of the NVM, an idle block whose image feature is highly similar to an image feature of data to be written into the NVM is determined such that the data is written into the idle block. In this way, wear and energy consumption problems are considered during storage space allocation, and a write operation of an idle block in storage space of an NVM can consume less energy, thereby extending a life span of the NVM and reducing write operation energy consumption.
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公开(公告)号：US20170235499A1
公开(公告)日：2017-08-17
申请号：US15582283
申请日：2017-04-28
发明人： Jun Xu , Yuangang Wang , Guanyu Zhu
CPC分类号： G06F3/0608 , G06F3/061 , G06F3/0631 , G06F3/0643 , G06F3/0644 , G06F3/067 , G06F9/5016 , G06F12/023 , G06F16/183 , G06F17/00 , G06F2212/1044
摘要： A file access method, a system, and a host are provided. According to the method, after obtaining information about first virtual space of a target file, a host allocates, in local virtual address space of the host, second virtual space to the target file, where the first virtual space is space allocated in global virtual address space by a management node in a distributed storage system to the target file. The host converts, according to a correspondence between the first virtual space and the second virtual space, a second access request of accessing the second virtual space into a first access request, where an address of the first virtual space in the first access request includes device information of a first storage node. Then, the host sends the first access request to a network device to route the first access request to the first storage node.
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公开(公告)号：US20170039203A1
公开(公告)日：2017-02-09
申请号：US15331205
申请日：2016-10-21
发明人： Jun Xu , Guanyu Zhu , Caizhu Luo
CPC分类号： G06F16/122 , G06F3/0608 , G06F3/061 , G06F3/0649 , G06F3/0659 , G06F3/0685 , G06F3/0688 , G06F12/00 , G06F16/1847 , G06F16/185
摘要： A file management method and a file system are applied to the field of data processing technologies. The file system monitors input/output (IO) access information for operating a file, then determines an IO access mode of the file, determines a corresponding file management policy according to the IO access mode, and finally, when the obtained file management policy is inconsistent with a current management manner of the file, adjusts, according to the determined file management policy, the current management manner of the file, for example, a storage medium and a file management granularity, so as to dynamically adjust the storage medium and the file management granularity of the file according to the IO access mode of the file.
摘要翻译： 文件管理方法和文件系统应用于数据处理技术领域。 文件系统监视用于操作文件的输入/输出（IO）访问信息，然后确定文件的IO访问模式，根据IO访问模式确定相应的文件管理策略，最后，当获取的文件管理策略为 与文件的当前管理方式不一致，根据确定的文件管理策略调整文件的当前管理方式，例如存储介质和文件管理粒度，以便动态地调整存储介质和 文件的文件管理粒度根据文件的IO访问方式。
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公开(公告)号：US20160378680A1
公开(公告)日：2016-12-29
申请号：US15257928
申请日：2016-09-07
发明人： Xingmian Sha , Qingfeng Zhuge , Guanyu Zhu
IPC分类号： G06F12/109 , G06F17/30
摘要： Embodiments of the application provide a file access method. A computing node receives a file open request that carries a file identifier. The computing node obtains an index node of a file that is identified by the file identifier. The computing node further obtains, based on the index node, a physical address space of a memory area in a file storage area, in which the file is stored. The computing node allocates a virtual address space to the file, and recodes a virtual-physical address mapping relationship by using a memory page table. The virtual-physical address mapping relationship includes a mapping relationship between the virtual address space and the physical address space.
摘要翻译： 应用的实施例提供文件访问方法。 计算节点接收携带文件标识符的文件打开请求。 计算节点获取由文件标识符标识的文件的索引节点。 计算节点还基于索引节点获得文件存储区域中的存储区域的物理地址空间。 计算节点为文件分配虚拟地址空间，并通过使用内存页表重新生成虚拟 - 物理地址映射关系。 虚拟物理地址映射关系包括虚拟地址空间和物理地址空间之间的映射关系。
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