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1. 发明申请

US20130124794A1 LOGICAL TO PHYSICAL ADDRESS MAPPING IN STORAGE SYSTEMS COMPRISING SOLID STATE MEMORY DEVICES 有权
标题翻译：在包含固态存储器件的存储系统中逻辑地址映射
公开(公告)号：US20130124794A1
公开(公告)日：2013-05-16
申请号：US13812377
申请日：2011-07-25
申请人： Werner Bux , Robert Haas , Xiao-Yu Hu , Roman Pletka
发明人： Werner Bux , Robert Haas , Xiao-Yu Hu , Roman Pletka
IPC分类号： G06F12/02
CPC分类号： G06F12/0246 , G06F12/0848 , G06F12/0866 , G06F2212/214 , G06F2212/221 , G06F2212/222 , G06F2212/466 , G06F2212/7201
摘要： The present idea provides a high read and write performance from/to a solid state memory device. The main memory of the controller is not blocked by a complete address mapping table covering the entire memory device. Instead such table is stored in the memory device itself, and only selected portions of address mapping information are buffered in the main memory in a read cache and a write cache. A separation of the read cache from the write cache enables an address mapping entry being evictable from the read cache without the need to update the related flash memory page storing such entry in the flash memory device. By this design, the read cache may advantageously be stored on a DRAM even without power down protection, while the write cache may preferably be implemented in nonvolatile or other fail-safe memory. This leads to a reduction of the overall provisioning of nonvolatile or fail-safe memory and to an improved scalability and performance.
摘要翻译：本想法提供了从/到固态存储器件的高读/写性能。控制器的主存储器不被覆盖整个存储器件的完整地址映射表阻止。相反，这样的表被存储在存储器设备本身中，并且只有地址映射信息的选定部分被缓存在读取高速缓存和写入高速缓存中的主存储器中。读取高速缓存与写入高速缓存的分离使得能够从读取的高速缓存中取出地址映射条目，而不需要在闪存设备中更新存储这样的条目的相关闪存页面。通过这种设计，读取高速缓存可以有利地存储在DRAM上，即使没有掉电保护，而写入高速缓存也可以优选地被实现在非易失性或其它故障安全存储器中。这导致了非易失性或故障安全存储器的总体配置的减少以及改进的可扩展性和性能。

2. 发明授权

US09256527B2 Logical to physical address mapping in storage systems comprising solid state memory devices 有权
标题翻译：在包含固态存储器件的存储系统中的逻辑到物理地址映射
公开(公告)号：US09256527B2
公开(公告)日：2016-02-09
申请号：US13812377
申请日：2011-07-25
申请人： Werner Bux , Robert Haas , Xiao-Yu Hu , Roman Pletka
发明人： Werner Bux , Robert Haas , Xiao-Yu Hu , Roman Pletka
IPC分类号： G06F12/02 , G06F12/08
CPC分类号： G06F12/0246 , G06F12/0848 , G06F12/0866 , G06F2212/214 , G06F2212/221 , G06F2212/222 , G06F2212/466 , G06F2212/7201
摘要： The present idea provides a high read and write performance from/to a solid state memory device. The main memory of the controller is not blocked by a complete address mapping table covering the entire memory device. Instead such table is stored in the memory device itself, and only selected portions of address mapping information are buffered in the main memory in a read cache and a write cache. A separation of the read cache from the write cache enables an address mapping entry being evictable from the read cache without the need to update the related flash memory page storing such entry in the flash memory device. By this design, the read cache may advantageously be stored on a DRAM even without power down protection, while the write cache may preferably be implemented in nonvolatile or other fail-safe memory. This leads to a reduction of the overall provisioning of nonvolatile or fail-safe memory and to an improved scalability and performance.
摘要翻译：本想法提供了从/到固态存储器件的高读/写性能。控制器的主存储器不被覆盖整个存储器件的完整地址映射表阻止。相反，这样的表被存储在存储器设备本身中，并且只有地址映射信息的选定部分被缓存在读取高速缓存和写入高速缓存中的主存储器中。读取高速缓存与写入高速缓存的分离使得能够从读取的高速缓存中取出地址映射条目，而不需要在闪存设备中更新存储这样的条目的相关闪存页面。通过这种设计，读取高速缓存可以有利地存储在DRAM上，即使没有掉电保护，而写入高速缓存也可以优选地被实现在非易失性或其它故障安全存储器中。这导致了非易失性或故障安全存储器的总体配置的减少以及改进的可扩展性和性能。

3. 发明授权

US08661196B2 Optimizing locations of data accessed by client applications interacting with a storage system 有权
标题翻译：优化与存储系统交互的客户端应用程序访问的数据的位置
公开(公告)号：US08661196B2
公开(公告)日：2014-02-25
申请号：US13209514
申请日：2011-08-15
申请人： Evangelos S. Eleftheriou , Robert Galbraith , Adrian C. Gerhard , Robert Haas , Xiao-Yu Hu , Murali N. Iyer , Ioannis Koltsidas , Timothy J. Larson , Steven P. Norgaard , Roman Pletka
发明人： Evangelos S. Eleftheriou , Robert Galbraith , Adrian C. Gerhard , Robert Haas , Xiao-Yu Hu , Murali N. Iyer , Ioannis Koltsidas , Timothy J. Larson , Steven P. Norgaard , Roman Pletka
IPC分类号： G06F12/00
CPC分类号： G06F11/1076 , G06F3/061 , G06F3/0662 , G06F3/0685
摘要： A method for optimizing locations of physical data accessed by one or more client applications interacting with a storage system, with the storage system comprising at least two redundancy groups having physical memory spaces and data bands. Each of the data bands corresponds to physical data stored on several of the physical memory spaces. A virtualized logical address space includes client data addresses utilizable by the one or more client applications. A storage controller is configured to map the client data addresses onto the data bands, such that a mapping is obtained, wherein the one or more client applications can access physical data corresponding to the data bands.
摘要翻译：一种用于优化由与存储系统交互的一个或多个客户端应用访问的物理数据的位置的方法，其中所述存储系统包括具有物理存储器空间和数据带的至少两个冗余组。每个数据带对应于存储在几个物理存储器空间上的物理数据。虚拟化逻辑地址空间包括由一个或多个客户端应用程序可使用的客户机数据地址。存储控制器被配置为将客户端数据地址映射到数据带上，使得获得映射，其中一个或多个客户端应用可以访问对应于数据带的物理数据。

4. 发明申请

US20130046930A1 OPTIMIZING LOCATIONS OF DATA ACCESSED BY CLIENT APPLICATIONS INTERACTING WITH A STORAGE SYSTEM 有权
标题翻译：优化客户应用程序访问数据的位置与存储系统交互
公开(公告)号：US20130046930A1
公开(公告)日：2013-02-21
申请号：US13606932
申请日：2012-09-07
申请人： Evangelos S. Eleftheriou , Robert Galbraith , Adrian C. Gerhard , Robert Haas , Xiao-Yu Hu , Murali N. Iyer , Ioannis Koltsidas , Timothy J. Larson , Steven P. Norgaard , Roman Pletka
发明人： Evangelos S. Eleftheriou , Robert Galbraith , Adrian C. Gerhard , Robert Haas , Xiao-Yu Hu , Murali N. Iyer , Ioannis Koltsidas , Timothy J. Larson , Steven P. Norgaard , Roman Pletka
IPC分类号： G06F12/08
CPC分类号： G06F11/1076 , G06F3/061 , G06F3/0662 , G06F3/0685
摘要： A method for optimizing locations of physical data accessed by one or more client applications interacting with a storage system, with the storage system comprising at least two redundancy groups having physical memory spaces and data bands. Each of the data bands corresponds to physical data stored on several of the physical memory spaces. A virtualized logical address space includes client data addresses utilizable by the one or more client applications. A storage controller is configured to map the client data addresses onto the data bands, such that a mapping is obtained, wherein the one or more client applications can access physical data corresponding to the data bands.
摘要翻译：一种用于优化由与存储系统交互的一个或多个客户端应用访问的物理数据的位置的方法，其中所述存储系统包括具有物理存储器空间和数据带的至少两个冗余组。每个数据带对应于存储在几个物理存储器空间上的物理数据。虚拟化逻辑地址空间包括由一个或多个客户端应用程序可使用的客户机数据地址。存储控制器被配置为将客户端数据地址映射到数据带上，使得获得映射，其中一个或多个客户端应用可以访问对应于数据带的物理数据。

5. 发明授权

US09170933B2 Wear-level of cells/pages/sub-pages/blocks of a memory 有权
标题翻译：存储器的单元/页/子页/块的磨损级别
公开(公告)号：US09170933B2
公开(公告)日：2015-10-27
申请号：US13700545
申请日：2011-06-06
申请人： Roy D. Cideciyan , Evangelos S. Eleftheriou , Robert Haas , Xiao-Yu Hu , Ilias Iliadis , Roman Pletka
发明人： Roy D. Cideciyan , Evangelos S. Eleftheriou , Robert Haas , Xiao-Yu Hu , Ilias Iliadis , Roman Pletka
IPC分类号： G06F9/312 , G06F12/02 , G11C16/34
CPC分类号： G06F12/0246 , G06F2212/7211 , G11C16/3495
摘要： A method for wear-leveling cells, pages, sub-pages or blocks of a memory such as a flash memory includes receiving (S10) a chunk of data to be written on the cell, page, sub-page or block of the memory; counting (S40), in the received chunk of data, a number of times a given type of binary data ‘0’ or ‘1’ is to be written; and distributing (S50) the writing of the received chunk of data among cells, pages, sub-pages or blocks of the memory such as to wear-level the memory with respect to the number of the given type of binary data ‘0’ or ‘1’ counted in the chunk of data to be written.
摘要翻译：一种用于对诸如闪速存储器的存储器的单元，页，子页或块进行磨损均衡的方法包括：接收（S10）要写入存储器的单元，页，子页或块的数据块; 在接收到的数据块中计数（S40）多少次给定类型的二进制数据“0”或“1”被写入; 并且分配（S50）在所述存储器的单元，页面，子页面或块之间写入所接收的数据块，以便相对于给定类型的二进制数据“0”的数量对存储器进行磨损级别 “1”计入要写入的数据块中。

6. 发明授权

US08667219B2 Optimizing locations of data accessed by client applications interacting with a storage system 有权
公开(公告)号：US08667219B2
公开(公告)日：2014-03-04
申请号：US13606932
申请日：2012-09-07
申请人： Evangelos S. Eleftheriou , Robert Galbraith , Adrian C. Gerhard , Robert Haas , Xiao-Yu Hu , Murali N. Iyer , Ioannis Koltsidas , Timothy J. Larson , Steven P. Norgaard , Roman Pletka
发明人： Evangelos S. Eleftheriou , Robert Galbraith , Adrian C. Gerhard , Robert Haas , Xiao-Yu Hu , Murali N. Iyer , Ioannis Koltsidas , Timothy J. Larson , Steven P. Norgaard , Roman Pletka
IPC分类号： G06F12/00
CPC分类号： G06F11/1076 , G06F3/061 , G06F3/0662 , G06F3/0685
摘要： A method for optimizing locations of physical data accessed by one or more client applications interacting with a storage system, with the storage system comprising at least two redundancy groups having physical memory spaces and data bands. Each of the data bands corresponds to physical data stored on several of the physical memory spaces. A virtualized logical address space includes client data addresses utilizable by the one or more client applications. A storage controller is configured to map the client data addresses onto the data bands, such that a mapping is obtained, wherein the one or more client applications can access physical data corresponding to the data bands.

7. 发明申请

US20130166827A1 WEAR-LEVEL OF CELLS/PAGES/SUB-PAGES/BLOCKS OF A MEMORY 有权
标题翻译：细胞/页/子页面/记忆体的层数
公开(公告)号：US20130166827A1
公开(公告)日：2013-06-27
申请号：US13700545
申请日：2011-06-06
申请人： Roy D. Cideciyan , Evangelos S. Eleftheriou , Robert Haas , Xiao-Yu Hu , Ilias Iliadis , Roman Pletka
发明人： Roy D. Cideciyan , Evangelos S. Eleftheriou , Robert Haas , Xiao-Yu Hu , Ilias Iliadis , Roman Pletka
IPC分类号： G06F12/02
CPC分类号： G06F12/0246 , G06F2212/7211 , G11C16/3495
摘要： The invention is directed to a method for wear-leveling cells or pages or sub-pages or blocks of a memory such as a flash memory, the method comprising:—receiving (S10) a chunk of data to be written on a cell or page or sub-page or block of the memory;—counting (S40) in the received chunk of data the number of times a given type of binary data ‘0’ or ‘I’ is to be written; and—distributing (S50) the writing of the received chunk of data amongst cells or pages or sub-pages or blocks of the memory such as to wear-level the memory with respect to the number of the given type of binary data ‘0’ or ‘I’ counted in the chunk of data to be written.
摘要翻译：本发明涉及一种用于对诸如闪速存储器的存储器的单元格或页面或子页面或块进行磨损均衡的方法，所述方法包括： - 接收（S10）要写入单元或页面的数据块或存储器的子页面或块; - 在接收的数据块中记录给定类型的二进制数据“0”或“I”的次数（S40）; （S50）在存储器的单元格或页面或子页面或块之间写入所接收的数据块，以便相对于给定类型的二进制数据“0”的数量对存储器进行磨损级别或者“我”在要写入的数据块中计数。

8. 发明申请

US20130046931A1 OPTIMIZING LOCATIONS OF DATA ACCESSED BY CLIENT APPLICATIONS INTERACTING WITH A STORAGE SYSTEM 有权
公开(公告)号：US20130046931A1
公开(公告)日：2013-02-21
申请号：US13209514
申请日：2011-08-15
申请人： Evangelos S. Eleftheriou , Robert Galbraith , Adrian C. Gerhard , Robert Haas , Xiao-Yu Hu , Murali N. Iyer , Ioannis Koltsidas , Timothy J. Larson , Steven P. Norgaard , Roman Pletka
发明人： Evangelos S. Eleftheriou , Robert Galbraith , Adrian C. Gerhard , Robert Haas , Xiao-Yu Hu , Murali N. Iyer , Ioannis Koltsidas , Timothy J. Larson , Steven P. Norgaard , Roman Pletka
IPC分类号： G06F12/08
CPC分类号： G06F11/1076 , G06F3/061 , G06F3/0662 , G06F3/0685
摘要： A method for optimizing locations of physical data accessed by one or more client applications interacting with a storage system, with the storage system comprising at least two redundancy groups having physical memory spaces and data bands. Each of the data bands corresponds to physical data stored on several of the physical memory spaces. A virtualized logical address space includes client data addresses utilizable by the one or more client applications. A storage controller is configured to map the client data addresses onto the data bands, such that a mapping is obtained, wherein the one or more client applications can access physical data corresponding to the data bands.

9. 发明申请

US20140032817A1 VALID PAGE THRESHOLD BASED GARBAGE COLLECTION FOR SOLID STATE DRIVE 有权
标题翻译：基于固定状态驱动器的基于页面阈值的收集
公开(公告)号：US20140032817A1
公开(公告)日：2014-01-30
申请号：US13560065
申请日：2012-07-27
申请人： Werner Bux , Robert Haas , Xiao-Yu Hu , Ilias Iliadis
发明人： Werner Bux , Robert Haas , Xiao-Yu Hu , Ilias Iliadis
IPC分类号： G06F12/00
CPC分类号： G06F12/0246 , G06F12/0253 , G06F12/0261 , G06F2212/7205
摘要： A method for garbage collection in a solid state drive (SSD) includes determining whether the SSD is idle by a garbage collection module of the SSD; based on determining that the SSD is idle, determining a victim block from a plurality of memory blocks of the SSD; determining a number of valid pages in the victim block; comparing the determined number of valid pages in the victim block to a valid page threshold; and based on the number of valid pages in the victim block being less than the valid page threshold, issuing a garbage collection request for the victim block.
摘要翻译：一种在固态硬盘（SSD）中进行垃圾收集的方法，包括：通过SSD的垃圾收集模块确定SSD是否空闲; 基于确定所述SSD是空闲的，从所述SSD的多个存储块中确定受害者块; 确定受害者块中的有效页数; 将确定的受害者块中的有效页面数量与有效页面阈值进行比较; 并且基于受害者块中的有效页面的数量小于有效页面阈值，向受害者块发布垃圾收集请求。

10. 发明授权

US08799561B2 Valid page threshold based garbage collection for solid state drive 有权
标题翻译：基于固态驱动器的基于页面阈值的垃圾回收
公开(公告)号：US08799561B2
公开(公告)日：2014-08-05
申请号：US13560065
申请日：2012-07-27
申请人： Werner Bux , Robert Haas , Xiao-Yu Hu , Ilias Iliadis
发明人： Werner Bux , Robert Haas , Xiao-Yu Hu , Ilias Iliadis
IPC分类号： G06F12/02
CPC分类号： G06F12/0246 , G06F12/0253 , G06F12/0261 , G06F2212/7205
摘要： A method for garbage collection in a solid state drive (SSD) includes determining whether the SSD is idle by a garbage collection module of the SSD; based on determining that the SSD is idle, determining a victim block from a plurality of memory blocks of the SSD; determining a number of valid pages in the victim block; comparing the determined number of valid pages in the victim block to a valid page threshold; and based on the number of valid pages in the victim block being less than the valid page threshold, issuing a garbage collection request for the victim block.
摘要翻译：一种在固态硬盘（SSD）中进行垃圾收集的方法，包括：通过SSD的垃圾收集模块确定SSD是否空闲; 基于确定所述SSD是空闲的，从所述SSD的多个存储块中确定受害者块; 确定受害者块中的有效页数; 将确定的受害者块中的有效页面数量与有效页面阈值进行比较; 并且基于受害者块中的有效页面的数量小于有效页面阈值，向受害者块发布垃圾回收请求。

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