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1. 发明申请

US20060248387A1 In-line non volatile memory disk read cache and write buffer 有权
公开(公告)号：US20060248387A1
公开(公告)日：2006-11-02
申请号：US11107551
申请日：2005-04-15
申请人： Clark Nicholson , Michael Fortin , Shaun Wiley , Cenk Ergan
发明人： Clark Nicholson , Michael Fortin , Shaun Wiley , Cenk Ergan
IPC分类号： G06F11/00
CPC分类号： G06F12/0804 , G06F12/0866 , G11B2020/1062 , G11B2220/2516
摘要： A method and apparatus to improve the read/write performance of a hard drive is presented. A device having solid state, non-volatile (NV) memory is added in-line to the conventional hard drive and acts as a read/write cache. Data specified by the operating system is stored in the NV memory. The operating system provides a list of data to be put in NV memory. The data includes data to be pinned in NV memory and data that is dynamic. Pinned data persists in NV memory until the operating system commands it to be flushed. Dynamic data can be flushed by the hard drive controller. Data sent by an application for storage is temporarily stored in NV memory in data blocks until the operating system commits it to the disk.

2. 发明申请

US20050246487A1 Non-volatile memory cache performance improvement 有权
标题翻译：非易失性内存缓存性能提升
公开(公告)号：US20050246487A1
公开(公告)日：2005-11-03
申请号：US10837986
申请日：2004-05-03
申请人： Cenk Ergan , Clark Nicholson , Dan Teodosiu , Dean DeWhitt , Emily Hill , Hanumantha Kodavalla , Michael Zwilling , John Parchem , Michael Fortin , Nathan Obr , Rajeev Nagar , Surenda Verma , Therron Powell , William Westerinen , Mark Zbikowski , Patrick Stemen
发明人： Cenk Ergan , Clark Nicholson , Dan Teodosiu , Dean DeWhitt , Emily Hill , Hanumantha Kodavalla , Michael Zwilling , John Parchem , Michael Fortin , Nathan Obr , Rajeev Nagar , Surenda Verma , Therron Powell , William Westerinen , Mark Zbikowski , Patrick Stemen
IPC分类号： G06F3/06 , G06F12/00
CPC分类号： G06F12/0866 , G06F3/061 , G06F3/0656 , G06F3/0679 , G06F12/08 , G06F2212/1016 , G06F2212/222 , G06F2212/281 , G06F2212/305 , G06F2212/312 , G06F2212/313 , Y02D10/13
摘要： In order to provide a more efficient persistent storage device, one or more long-term storage media are included along with a non-volatile memory. In one embodiment, one portion of the non-volatile memory is used as a write buffer and a read cache for writes and reads to the long-term storage media. Interfaces are provided for controlling the use of the non-volatile memory as a write buffer and a read cache. Additionally, a portion of the non-volatile memory is used to provide a direct mapping for specified sectors of the long-term storage media. Descriptive data regarding the persistent storage device is stored in another portion of the non-volatile memory.
摘要翻译：为了提供更有效的持久存储设备，一个或多个长期存储介质与非易失性存储器一起被包括在内。在一个实施例中，非易失性存储器的一部分用作写入缓冲器和用于对长期存储介质的写入和读取的读高速缓存。提供了用于控制非易失性存储器作为写缓冲器和读缓存的使用的接口。此外，非易失性存储器的一部分用于为长期存储介质的特定扇区提供直接映射。关于永久存储设备的描述性数据被存储在非易失性存储器的另一部分中。

3. 发明申请

US20070006021A1 Reliability of diskless network-bootable computers using non-volatile memory cache 有权
标题翻译：使用非易失性内存缓存的无盘网络可引导计算机的可靠性
公开(公告)号：US20070006021A1
公开(公告)日：2007-01-04
申请号：US11329332
申请日：2006-01-10
申请人： Clark Nicholson , William Westerinen , Cenk Ergan , Michael Fortin , Mehmet Iyigun
发明人： Clark Nicholson , William Westerinen , Cenk Ergan , Michael Fortin , Mehmet Iyigun
IPC分类号： G06F11/00
CPC分类号： G06F11/1443 , G06F9/4416 , G06F12/0862 , G06F12/0866
摘要： A method and apparatus is provided that provides a reliable diskless network-bootable computers using a local non-volatile memory (NVM) cache. The NVM cache is used by the computer when the network is temporarily unavailable or slow. The cache is later synchronized with a remote boot server having remote storage volumes when network conditions improve. It is determined if data is to be stored in the NVM cache or the remote storage volume. Data sent to the remote storage volume is transactionally written and the data is cached in the NVM cache if a network outage is occurring or a transaction complete message has not been received. The data stored in the NVM cache allows the user to continue operating during network outages and the computer can be cold-booted using the data in the NVM cache if the network is unavailable.
摘要翻译：提供了一种使用本地非易失性存储器（NVM）高速缓存提供可靠的无盘网络可引导计算机的方法和装置。当网络暂时不可用或缓慢时，计算机使用NVM缓存。当网络条件改善时，缓存随后与具有远程存储卷的远程引导服务器同步。确定数据是否要存储在NVM缓存或远程存储卷中。发送到远程存储卷的数据是事务性写入的，如果网络中断发生或尚未收到事务完成消息，则数据将缓存在NVM缓存中。存储在NVM缓存中的数据允许用户在网络中断期间继续运行，并且如果网络不可用，则可以使用NVM缓存中的数据对计算机进行冷启动。

4. 发明申请

US20050278523A1 Apparatus and method to decrease boot time and hibernate awaken time of a computer system 有权
公开(公告)号：US20050278523A1
公开(公告)日：2005-12-15
申请号：US11204705
申请日：2005-08-16
申请人： Michael Fortin , Cenk Ergan
发明人： Michael Fortin , Cenk Ergan
IPC分类号： G06F1/32 , G06F3/06 , G06F9/445 , G06F12/00
CPC分类号： G06F1/3203 , G06F3/0601 , G06F9/4403 , G06F9/4418 , G06F2003/0697
摘要： A method and apparatus to decrease the boot time and the hibernate awaken time of a computer system is presented. Static and dynamic configuration data is stored in flash memory. The size of flash memory is selected so that the initialization time of the configuration data stored in the flash memory is approximately equal to the spin-up time of the disk drive where the operating system is stored. During power down or entry into a hibernate mode, the computer system determines the static and dynamic configuration data to be stored in flash memory based on a history of prior uses. Data is also stored in the flash memory during system operation to reduce the number of times the disk drive is spun up. When the computer system is powered up or awakened from hibernation, the configuration data in flash memory is initialized while the disk drive is spinning up.

5. 发明申请

US20050278522A1 Apparatus and method to decrease boot time and hibernate awaken time of a computer system 有权
标题翻译：减少启动时间和休眠唤醒时间的计算机系统的装置和方法
公开(公告)号：US20050278522A1
公开(公告)日：2005-12-15
申请号：US11204684
申请日：2005-08-16
申请人： Michael Fortin , Cenk Ergan
发明人： Michael Fortin , Cenk Ergan
IPC分类号： G06F1/32 , G06F3/06 , G06F9/445 , G06F12/00
CPC分类号： G06F1/3203 , G06F3/0601 , G06F9/4403 , G06F9/4418 , G06F2003/0697
摘要： A method and apparatus to decrease the boot time and the hibernate awaken time of a computer system is presented. Static and dynamic configuration data is stored in flash memory. The size of flash memory is selected so that the initialization time of the configuration data stored in the flash memory is approximately equal to the spin-up time of the disk drive where the operating system is stored. During power down or entry into a hibernate mode, the computer system determines the static and dynamic configuration data to be stored in flash memory based on a history of prior uses. Data is also stored in the flash memory during system operation to reduce the number of times the disk drive is spun up. When the computer system is powered up or awakened from hibernation, the configuration data in flash memory is initialized while the disk drive is spinning up.
摘要翻译：提出了减少计算机系统的引导时间和休眠唤醒时间的方法和装置。静态和动态配置数据存储在闪存中。选择闪存的大小，使得存储在闪存中的配置数据的初始化时间大约等于存储操作系统的磁盘驱动器的启动时间。在断电或进入休眠模式期间，计算机系统基于先前使用的历史来确定要存储在闪存中的静态和动态配置数据。在系统操作期间，数据也存储在闪存中，以减少磁盘驱动器的旋转次数。当计算机系统从休眠状态通电或唤醒时，闪存中的配置数据在磁盘驱动器旋转时被初始化。

6. 发明申请

US20050235119A1 Methods and mechanisms for proactive memory management 失效
标题翻译：主动记忆管理的方法和机制
公开(公告)号：US20050235119A1
公开(公告)日：2005-10-20
申请号：US11150686
申请日：2005-06-09
申请人： Stuart Sechrest , Michael Fortin , Mehmet Iyigun , Cenk Ergan
发明人： Stuart Sechrest , Michael Fortin , Mehmet Iyigun , Cenk Ergan
IPC分类号： G06F12/00 , G06F3/06 , G06F9/30 , G06F9/46 , G06F11/07 , G06F12/02 , G06F12/06 , G06F12/08 , G06F12/10 , G06F12/12 , G06F13/18
CPC分类号： G06F12/121 , G06F12/122
摘要： A proactive, resilient and self-tuning memory management system and method that result in actual and perceived performance improvements in memory management, by loading and maintaining data that is likely to be needed into memory, before the data is actually needed. The system includes mechanisms directed towards historical memory usage monitoring, memory usage analysis, refreshing memory with highly-valued (e.g., highly utilized) pages, I/O pre-fetching efficiency, and aggressive disk management. Based on the memory usage information, pages are prioritized with relative values, and mechanisms work to pre-fetch and/or maintain the more valuable pages in memory. Pages are pre-fetched and maintained in a prioritized standby page set that includes a number of subsets, by which more valuable pages remain in memory over less valuable pages. Valuable data that is paged out may be automatically brought back, in a resilient manner. Benefits include significantly reducing or even eliminating disk I/O due to memory page faults.
摘要翻译：一种主动，有弹性和自调整的内存管理系统和方法，在实际需要数据之前，通过在可能需要的内存中加载和维护数据，从而实现内存管理的实际和可察觉的性能改进。该系统包括针对历史存储器使用监视，存储器使用分析，具有高价值（例如，高度利用）页面的刷新存储器，I / O预取效率和激进磁盘管理的机制。基于内存使用信息，页面将以相对值为优先级，并且机制可以预先获取和/或维护内存中更有价值的页面。页面被预先抓取并维护在优先级备用页面集中，其包括多个子集，通过这些子集，更有价值的页面保留在不太有价值的页面上的内存中。可以以弹性方式自动带回分页的宝贵数据。优点包括显着减少或甚至消除由于内存页错误导致的磁盘I / O。

7. 发明授权

US08032707B2 Managing cache data and metadata 有权
标题翻译：管理缓存数据和元数据
公开(公告)号：US08032707B2
公开(公告)日：2011-10-04
申请号：US12271400
申请日：2008-11-14
申请人： Mehmet Iyigun , Yevgeniy Bak , Michael Fortin , David Fields , Cenk Ergan , Alexander Kirshenbaum
发明人： Mehmet Iyigun , Yevgeniy Bak , Michael Fortin , David Fields , Cenk Ergan , Alexander Kirshenbaum
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28 , G06F9/26 , G06F9/34
CPC分类号： G06F12/0866 , G06F12/0804 , G06F12/0862 , G06F12/0871 , G06F12/14 , G06F2212/1016 , G06F2212/1032 , G06F2212/1052 , G06F2212/2022 , G06F2212/222 , G06F2212/466
摘要： Embodiments of the invention provide techniques for managing cache metadata providing a mapping between addresses on a storage medium (e.g., disk storage) and corresponding addresses on a cache device at data items are stored. In some embodiments, cache metadata may be stored in a hierarchical data structure comprising a plurality of hierarchy levels. Only a subset of the plurality of hierarchy levels may be loaded to memory, thereby reducing the memory “footprint” of cache metadata and expediting the process of restoring the cache metadata during startup operations. Startup may be further expedited by using cache metadata to perform operations associated with reboot. Thereafter, as requests to read data items on the storage medium are processed using cache metadata to identify addresses at which the data items are stored in cache, the identified addresses may be stored in memory. When the computer is later shut down, instead of having to transfer the entirety of the cache metadata from memory to storage, only the subset of the plurality of hierarchy levels and/or the identified addresses previously loaded to memory may be transferred (e.g., to the cache device), thereby expediting the shutdown of the computer.
摘要翻译：本发明的实施例提供了用于管理提供存储介质（例如，磁盘存储）上的地址之间的映射以及数据项上的高速缓存设备上的相应地址的缓存元数据的技术。在一些实施例中，高速缓存元数据可以存储在包括多个层次级别的分层数据结构中。可以仅将多个层次级别的子集加载到存储器，从而减少高速缓存元数据的存储器“占用空间”，并且加快在启动操作期间恢复高速缓存元数据的过程。通过使用缓存元数据来执行与重新启动相关的操作，可以进一步加快启动。此后，当使用高速缓存元数据来处理读取存储介质上的数据项的请求时，识别数据项存储在高速缓存中的地址，所识别的地址可被存储在存储器中。当计算机稍后关闭时，不是必须将整个高速缓存元数据从存储器传送到存储器，所以只有先前加载到存储器的多个层次级别和/或已识别的地址的子集可以被传送（例如，缓存设备），从而加速计算机的关闭。

8. 发明申请

US20100070701A1 MANAGING CACHE DATA AND METADATA 有权
标题翻译：管理缓存数据和元数据
公开(公告)号：US20100070701A1
公开(公告)日：2010-03-18
申请号：US12271472
申请日：2008-11-14
申请人： Mehmet Iyigun , Yevgeniy Bak , Michael Fortin , David Fields , Cenk Ergan , Alexander Kirshenbaum
发明人： Mehmet Iyigun , Yevgeniy Bak , Michael Fortin , David Fields , Cenk Ergan , Alexander Kirshenbaum
IPC分类号： G06F12/08 , G06F12/00
CPC分类号： G06F12/0833 , G06F11/1441 , G06F12/0862 , G06F12/0866 , G06F12/128 , G06F12/14 , G06F2212/1052 , G06F2212/2022 , G06F2212/2146 , G06F2212/222 , G06F2212/466 , G06F2212/62 , Y02D10/13
摘要： Embodiments of the invention provide techniques for ensuring that the contents of a non-volatile memory device may be relied upon as accurately reflecting data stored on disk storage across a power transition such as a reboot. For example, some embodiments of the invention provide techniques for determining whether the cache contents and/or or disk contents are modified during a power transition, causing cache contents to no longer accurately reflect data stored in disk storage. Further, some embodiments provide techniques for managing cache metadata during normal (“steady state”) operations and across power transitions, ensuring that cache metadata may be efficiently accessed and reliably saved and restored across power transitions.
摘要翻译：本发明的实施例提供了用于确保非易失性存储器件的内容可以被依赖于通过电源转换（例如重启）精确反映存储在磁盘存储器上的数据的技术。例如，本发明的一些实施例提供了用于确定在功率转换期间高速缓存内容和/或/或内容是否被修改的技术，导致高速缓存内容不再准确地反映存储在磁盘存储器中的数据。此外，一些实施例提供了用于在正常（“稳态”）操作期间和跨越功率转换的管理高速缓存元数据的技术，确保高速缓存元数据可以在功率转换之间被有效地访问并被可靠地保存和恢复。

9. 发明授权

US08489815B2 Managing cache data and metadata 有权
标题翻译：管理缓存数据和元数据
公开(公告)号：US08489815B2
公开(公告)日：2013-07-16
申请号：US13365093
申请日：2012-02-02
申请人： Mehmet Iyigun , Yevgeniy M. Bak , Michael Fortin , Mahlon David Fields , Cenk Ergan , Alexander Kirshenbaum
发明人： Mehmet Iyigun , Yevgeniy M. Bak , Michael Fortin , Mahlon David Fields , Cenk Ergan , Alexander Kirshenbaum
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28 , G06F9/26 , G06F9/34
CPC分类号： G06F12/0866 , G06F12/0804 , G06F12/0862 , G06F12/0871 , G06F12/14 , G06F2212/1016 , G06F2212/1032 , G06F2212/1052 , G06F2212/2022 , G06F2212/222 , G06F2212/466
摘要： Embodiments of the invention provide techniques for managing cache metadata providing a mapping between addresses on a storage medium (e.g., disk storage) and corresponding addresses on a cache device at which data items are stored. In some embodiments, cache metadata may be stored in a hierarchical data structure comprising a plurality of hierarchy levels. When a reboot of the computer is initiated, only a subset of the plurality of hierarchy levels may be loaded to memory, thereby expediting the process of restoring the cache metadata and thus startup operations. Startup may be further expedited by using cache metadata to perform operations associated with reboot.
摘要翻译：本发明的实施例提供了用于管理提供存储介质（例如，磁盘存储）上的地址与存储数据项的高速缓存设备上的相应地址之间的映射的高速缓存元数据的技术。在一些实施例中，高速缓存元数据可以存储在包括多个层次级别的分层数据结构中。当启动计算机的重新启动时，只有多个层次级别的子集可以被加载到存储器，从而加速恢复高速缓存元数据以及因此启动操作的过程。通过使用缓存元数据来执行与重新启动相关的操作，可以进一步加快启动。

10. 发明申请

US20070121665A1 Delay start-up of applications 有权
标题翻译：延迟启动应用程序
公开(公告)号：US20070121665A1
公开(公告)日：2007-05-31
申请号：US11290105
申请日：2005-11-30
申请人： Cenk Ergan , Dan Li , Michael Fortin , Robin Giese , Robert Reinauer
发明人： Cenk Ergan , Dan Li , Michael Fortin , Robin Giese , Robert Reinauer
IPC分类号： H04L12/42
CPC分类号： G06F9/4401 , G06F9/505
摘要： A delay of starting up of certain applications may result in improving the overall performance of a system. The applications to be delayed may be placed in a container object or box such that they can be tracked and that other applications dependent on the delayed applications can be appropriately handled.
摘要翻译：启动某些应用程序的延迟可能会导致系统整体性能的提高。要延迟的应用程序可以放置在容器对象或框中，以便可以跟踪它们，并且可以适当地处理依赖延迟应用程序的其他应用程序。

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