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51. 发明申请

US20120166749A1 DATA MANAGEMENT IN SOLID-STATE STORAGE DEVICES AND TIERED STORAGE SYSTEMS 审中-公开
标题翻译：固态存储设备和分层存储系统中的数据管理
公开(公告)号：US20120166749A1
公开(公告)日：2012-06-28
申请号：US13393684
申请日：2010-09-07
申请人： Evangelos S. Eleftheriou , Robert Haas , Xiao-Yu Hu
发明人： Evangelos S. Eleftheriou , Robert Haas , Xiao-Yu Hu
IPC分类号： G06F12/02
CPC分类号： G06F3/0647 , G06F3/0616 , G06F3/0652 , G06F3/0685
摘要： A method for managing data in a data storage system having a solid-state storage device and alternative storage includes identifying data to be moved in the solid-state storage device for internal management of the solid-state storage; moving at least some of the identified data to the alternative storage instead of the solid-state storage; and maintaining metadata indicating the location of data in the solid-state storage device and the alternative storage.
摘要翻译：一种用于在具有固态存储装置和替代存储器的数据存储系统中管理数据的方法，包括识别要在固态存储装置中移动的数据，以便对固态存储器进行内部管理; 将至少一些所识别的数据移动到替代存储而不是固态存储; 以及维护指示固态存储设备和替代存储器中的数据位置的元数据。

52. 发明申请

US20110296085A1 CACHE MEMORY MANAGEMENT IN A FLASH CACHE ARCHITECTURE 失效
标题翻译：闪存缓存架构中的缓存记忆管理
公开(公告)号：US20110296085A1
公开(公告)日：2011-12-01
申请号：US13080655
申请日：2011-04-05
申请人： Evangelos S. Eleftheriou , Robert Haas , Xiao-Yu Hu , Roman A. Pletka
发明人： Evangelos S. Eleftheriou , Robert Haas , Xiao-Yu Hu , Roman A. Pletka
IPC分类号： G06F12/02
CPC分类号： G06F12/0246 , G06F12/0871 , G06F12/0897 , G06F2212/222 , G06F2212/7202
摘要： Provided are a system, method, and computer program product for managing cache memory to cache data units in at least one storage device. A cache controller is coupled to at least two flash bricks, each comprising a flash memory. Metadata indicates a mapping of the data units to the flash bricks caching the data units, wherein the metadata is used to determine the flash bricks on which the cache controller caches received data units. The metadata is updated to indicate the flash brick having the flash memory on which data units are cached.
摘要翻译：提供了一种用于管理高速缓冲存储器以在至少一个存储设备中缓存数据单元的系统，方法和计算机程序产品。高速缓存控制器耦合到至少两个闪存块，每个闪存块包括闪存。元数据表示数据单元与缓存数据单元的闪存块的映射，其中元数据用于确定高速缓存控制器高速缓存接收的数据单元的闪存块。更新元数据以指示闪存块具有缓存数据单元的闪存。

53. 发明申请

US20110131231A1 METHOD TO EFFICIENTLY LOCATE META-DATA STRUCTURES ON A FLASH-BASED STORAGE DEVICE 有权
标题翻译：在基于闪存的存储设备上有效定位元数据结构的方法
公开(公告)号：US20110131231A1
公开(公告)日：2011-06-02
申请号：US12627414
申请日：2009-11-30
申请人： Robert Haas , Xiao-Yu Hu , Roman A. Pletka
发明人： Robert Haas , Xiao-Yu Hu , Roman A. Pletka
IPC分类号： G06F12/00 , G06F17/30 , G06F7/10
CPC分类号： G06F12/0246 , G06F11/1446
摘要： Flash memory systems and methods for efficiently locating meta-data structures on solid-state devices, such as, flash-based memory devices, which allows for fast reconstruction of metadata structures are provided. These systems and methods place checkpoints, which identify the location of metadata structures, intelligently on the device so as to permit a more efficient method of locating such checkpoints. These techniques ensure best wear-leveling as all blocks on the device undergo the same wear-leveling strategy. These systems and methods further provide a free block maintenance strategy that provides blocks freed by garbage collection for future checkpoint writes.
摘要翻译：提供了用于在固态设备（例如基于闪存的存储器件）上有效地定位元数据结构的闪存系统和方法，其允许快速重建元数据结构。这些系统和方法将检查点放置在设备上智能地识别元数据结构的位置，以便允许更有效的定位这种检查点的方法。这些技术确保了最佳的磨损均匀性，因为设备上的所有块都经受相同的磨损均衡策略。这些系统和方法进一步提供了一个自由的块维护策略，它提供了垃圾收集释放的块，用于将来的检查点写入。

54. 发明授权

US08972661B2 Dynamically adjusted threshold for population of secondary cache 有权
公开(公告)号：US08972661B2
公开(公告)日：2015-03-03
申请号：US13285740
申请日：2011-10-31
申请人： Michael T. Benhase , Stephen L. Blinick , Evangelos S. Eleftheriou , Lokesh M. Gupta , Robert Haas , Xiao-Yu Hu , Ioannis Koltsidas , Roman A. Pletka
发明人： Michael T. Benhase , Stephen L. Blinick , Evangelos S. Eleftheriou , Lokesh M. Gupta , Robert Haas , Xiao-Yu Hu , Ioannis Koltsidas , Roman A. Pletka
IPC分类号： G06F12/08
CPC分类号： G06F12/0888 , G06F12/0866 , G06F12/0897 , G06F2212/225
摘要： The population of data to be inserted into secondary data storage cache is controlled by determining a heat metric of candidate data; adjusting a heat metric threshold; rejecting candidate data provided to the secondary data storage cache whose heat metric is less than the threshold; and admitting candidate data whose heat metric is equal to or greater than the heat metric threshold. The adjustment of the heat metric threshold is determined by comparing a reference metric related to hits of data most recently inserted into the secondary data storage cache, to a reference metric related to hits of data most recently evicted from the secondary data storage cache; if the most recently inserted reference metric is greater than the most recently evicted reference metric, decrementing the threshold; and if the most recently inserted reference metric is less than the most recently evicted reference metric, incrementing the threshold.

55. 发明授权

US08935479B2 Adaptive cache promotions in a two level caching system 有权
标题翻译：二级缓存系统中的自适应缓存升级
公开(公告)号：US08935479B2
公开(公告)日：2015-01-13
申请号：US13466861
申请日：2012-05-08
申请人： Michael T. Benhase , Stephen L. Blinick , Evangelos S. Eleftheriou , Lokesh M. Gupta , Robert Haas , Xiao-Yu Hu , Ioannis Koltsidas , Roman A. Pletka
发明人： Michael T. Benhase , Stephen L. Blinick , Evangelos S. Eleftheriou , Lokesh M. Gupta , Robert Haas , Xiao-Yu Hu , Ioannis Koltsidas , Roman A. Pletka
IPC分类号： G06F12/00 , G06F3/06
CPC分类号： G06F12/128 , G06F12/126
摘要： Provided are a computer program product, system, and method for managing data in a first cache and a second cache. A reference count is maintained in the second cache for the page when the page is stored in the second cache. It is determined that the page is to be promoted from the second cache to the first cache. In response to determining that the reference count is greater than zero, the page is added to a Least Recently Used (LRU) end of an LRU list in the first cache. In response to determining that the reference count is less than or equal to zero, the page is added to a Most Recently Used (LRU) end of the LRU list in the first cache.
摘要翻译：提供了一种用于管理第一高速缓存和第二高速缓存中的数据的计算机程序产品，系统和方法。当页面存储在第二高速缓存中时，对于页面的第二高速缓存中维护引用计数。确定页面将被从第二缓存提升到第一高速缓存。响应于确定参考计数大于零，该页被添加到第一高速缓存中的LRU列表的最近最少使用（LRU）末端。响应于确定参考计数小于或等于零，该页被添加到第一高速缓存中的LRU列表的最近使用（LRU）端。

56. 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.

57. 发明申请

US20130232294A1 ADAPTIVE CACHE PROMOTIONS IN A TWO LEVEL CACHING SYSTEM 有权
标题翻译：自适应高速缓存在两级缓存系统中的推广
公开(公告)号：US20130232294A1
公开(公告)日：2013-09-05
申请号：US13412412
申请日：2012-03-05
申请人： Michael T. Benhase , Stephen L. Blinick , Evangelos S. Eleftheriou , Lokesh M. Gupta , Robert Haas , Xiao-Yu Hu , Ioannis Koltsidas , Roman A. Pletka
发明人： Michael T. Benhase , Stephen L. Blinick , Evangelos S. Eleftheriou , Lokesh M. Gupta , Robert Haas , Xiao-Yu Hu , Ioannis Koltsidas , Roman A. Pletka
IPC分类号： G06F12/08
CPC分类号： G06F12/128 , G06F12/126
摘要： Provided are a computer program product, system, and method for managing data in a first cache and a second cache. A reference count is maintained in the second cache for the page when the page is stored in the second cache. It is determined that the page is to be promoted from the second cache to the first cache. In response to determining that the reference count is greater than zero, the page is added to a Least Recently Used (LRU) end of an LRU list in the first cache. In response to determining that the reference count is less than or equal to zero, the page is added to a Most Recently Used (LRU) end of the LRU list in the first cache.
摘要翻译：提供了一种用于管理第一高速缓存和第二高速缓存中的数据的计算机程序产品，系统和方法。当页面存储在第二高速缓存中时，对于页面的第二高速缓存中维护引用计数。确定页面将被从第二缓存提升到第一高速缓存。响应于确定参考计数大于零，该页被添加到第一高速缓存中的LRU列表的最近最少使用（LRU）末端。响应于确定参考计数小于或等于零，该页被添加到第一高速缓存中的LRU列表的最近使用（LRU）端。

58. 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.

59. 发明申请

US20120290779A1 DATA MANAGEMENT IN SOLID-STATE STORAGE DEVICES AND TIERED STORAGE SYSTEMS 审中-公开
公开(公告)号：US20120290779A1
公开(公告)日：2012-11-15
申请号：US13560635
申请日：2012-07-27
申请人： Evangelos S. Eleftheriou , Robert Haas , Xiao-Yu Hu
发明人： Evangelos S. Eleftheriou , Robert Haas , Xiao-Yu Hu
IPC分类号： G06F12/00
CPC分类号： G06F3/0647 , G06F3/0616 , G06F3/0652 , G06F3/0685
摘要： A method for managing data in a data storage system having a solid-state storage device and alternative storage includes identifying data to be moved in the solid-state storage device for internal management of the solid-state storage; moving at least some of the identified data to the alternative storage instead of the solid-state storage; and maintaining metadata indicating the location of data in the solid-state storage device and the alternative storage.

60. 发明申请

US20110029715A1 WRITE-ERASE ENDURANCE LIFETIME OF MEMORY STORAGE DEVICES 有权
标题翻译：内存存储设备的写保护寿命寿命
公开(公告)号：US20110029715A1
公开(公告)日：2011-02-03
申请号：US12511577
申请日：2009-07-29
申请人： Xiao-yu Hu , Evangelos S. Eleftheriou , Robert Haas
发明人： Xiao-yu Hu , Evangelos S. Eleftheriou , Robert Haas
IPC分类号： G06F12/02 , G06F12/00
CPC分类号： B62D35/001 , G06F12/0246 , G06F2212/1044 , G06F2212/7205 , G06F2212/7211 , G11C16/349 , G11C16/3495
摘要： A memory management system and method for managing memory blocks of a memory device of a computer. The system includes a free block data structure including free memory blocks for writing, and sorting the free memory blocks in a predetermined order based on block write-erase endurance cycle count and receiving new user-write requests to update existing data and relocation write requests to relocate existing data separately, a user-write block pool for receiving youngest blocks holding user-write data (i.e., any page being updated frequently) from the free block data structure, a relocation block pool for receiving oldest blocks holding relocation data (i.e., any page being updated infrequently) from the free block data structure, and a garbage collection pool structure for selecting at least one of user-write blocks and relocation blocks for garbage collection, wherein the selected block is moved back to the free block data structure upon being relocated and erased.
摘要翻译：一种用于管理计算机的存储器件的存储器块的存储器管理系统和方法。该系统包括一个空闲块数据结构，包括用于写入的空闲存储器块，并且基于块写擦除耐久循环计数以预定顺序对可用存储器块进行排序，并且接收新的用户写入请求以更新现有数据和重定位写请求重新定位现有数据，用于从空闲块数据结构接收持有用户写入数据（即，任何频繁更新的页面）的最小块的用户写入块池，用于接收保存重定位数据的最旧块的重定位块池（即，任何不经常更新的页面）以及用于选择用于垃圾回收的用户写入块和重定位块中的至少一个的垃圾收集池结构，其中所选择的块被移动回到空闲块数据结构被搬迁和删除。

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