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1. 发明申请

US20060224849A1 Storage of data in cache and non-volatile media 失效
标题翻译：数据存储在缓存和非易失性介质中
公开(公告)号：US20060224849A1
公开(公告)日：2006-10-05
申请号：US11096317
申请日：2005-03-31
申请人： Shah Rezaul Islam , Thomas Jarvis , Matthew Kalos , Robert Kubo
发明人： Shah Rezaul Islam , Thomas Jarvis , Matthew Kalos , Robert Kubo
IPC分类号： G06F12/00 , G06F12/16
CPC分类号： G06F11/1666 , G06F11/20 , G06F11/2069 , G06F12/0866
摘要： Provided are a method, system, and article of manufacture, wherein a request is received for switching a logical volume from one state to another state, wherein the logical volume is in a mirrored state if data corresponding to the logical volume is mirrored from a first storage to a second storage, and wherein the logical volume is in a non-mirrored state if the data corresponding to the logical volume is not mirrored from the first storage to the second storage. A determination is made as to whether to perform the switching, in response to receiving the request.
摘要翻译：提供了一种方法，系统和制品，其中接收到用于将逻辑卷从一个状态切换到另一状态的请求，其中如果与第一个逻辑卷对应的数据被镜像，则逻辑卷处于镜像状态存储到第二存储器，并且其中如果对应于逻辑卷的数据不从第一存储器镜像到第二存储器，则逻辑卷处于非镜像状态。响应于接收到请求，确定是否执行切换。

2. 发明申请

US20070073907A1 Device, method and computer program product readable medium for determining the identity of a component 有权
标题翻译：用于确定组件身份的设备，方法和计算机程序产品可读介质
公开(公告)号：US20070073907A1
公开(公告)日：2007-03-29
申请号：US11225738
申请日：2005-09-13
申请人： Michael Factor , Thomas Jarvis , Robert Kubo , Orit Nissan-Messing , Gary Valentin , Elena Yerushalmi , Aviad Zlotnick
发明人： Michael Factor , Thomas Jarvis , Robert Kubo , Orit Nissan-Messing , Gary Valentin , Elena Yerushalmi , Aviad Zlotnick
IPC分类号： G06F3/00
CPC分类号： G06F9/4411
摘要： Method, device and computer program product for determining a characteristic of an identifiable component. The method includes: receiving identification information representative of an identity of components that belong to a group of components, determining at least one characteristic of an identifiable component in response to the received identification information, and performing at least one characteristic responsive operation. The device includes an identifiable component and a component characteristic determiner. The component characteristic determiner is adapted to receive identification information representative of an identity of components that belong to a group of components and to determine at least one characteristic of the identifiable component in response to a relationship between the received identification information and reference identification information. The device is adapted to perform at least one characteristic responsive information.
摘要翻译：用于确定可识别部件的特性的方法，装置和计算机程序产品。所述方法包括：接收表示属于一组组件的组件的身份的标识信息，响应于所接收的标识信息确定可识别组件的至少一个特征，以及执行至少一个特征响应操作。该设备包括可识别的组件和组件特征确定器。组件特性确定器适于接收表示属于一组组件的组件的身份的标识信息，并且响应于所接收的标识信息和参考标识信息之间的关系来确定可识别组件的至少一个特性。该装置适于执行至少一个特征响应信息。

3. 发明申请

US20060080510A1 Apparatus and method to manage a data cache 有权
标题翻译：用于管理数据高速缓存的设备和方法
公开(公告)号：US20060080510A1
公开(公告)日：2006-04-13
申请号：US10964474
申请日：2004-10-12
申请人： Michael Benhase , Binny Gill , Thomas Jarvis , Dharmendra Modha
发明人： Michael Benhase , Binny Gill , Thomas Jarvis , Dharmendra Modha
IPC分类号： G06F12/00
CPC分类号： G06F12/123 , G06F12/0866
摘要： A method is disclosed to manage a data cache. The method provides a data cache comprising a plurality of tracks, where each track comprises one or more segments. The method further maintains a first LRU list comprising one or more first tracks having a low reuse potential, maintains a second LRU list comprising one or more second tracks having a high reuse potential, and sets a target size for the first LRU list. The method then accesses a track, and determines if that accessed track comprises a first track. If the method determines that the accessed track comprises a first track, then the method increases the target size for said first LRU list. Alternatively, if the method determines that the accessed track comprises a second track, then the method decreases the target size for said first LRU list. The method demotes tracks from the first LRU list if its size exceeds the target size; otherwise, the method evicts tracks from the second LRU list.
摘要翻译：公开了一种管理数据高速缓存的方法。该方法提供包括多个轨道的数据高速缓存，其中每个轨道包括一个或多个段。该方法还维护包括具有低再利用潜力的一个或多个第一轨道的第一LRU列表，维护包括具有高重用潜力的一个或多个第二轨道的第二LRU列表，并设置第一LRU列表的目标大小。然后，该方法访问轨道，并且确定所访问的轨道是否包括第一轨道。如果方法确定所访问的轨道包括第一轨道，则该方法增加所述第一LRU列表的目标大小。或者，如果该方法确定所访问的轨道包括第二轨道，则该方法减小所述第一LRU列表的目标大小。该方法如果其大小超过目标大小，则会从第一个LRU列表中降低轨道; 否则，该方法从第二LRU列表中逐出轨道。

4. 发明授权

US08870295B1 Cargo hauling attachment for a tractor 有权
标题翻译：拖拉机的货物运输附件
公开(公告)号：US08870295B1
公开(公告)日：2014-10-28
申请号：US13271423
申请日：2011-10-12
申请人： Eric O. Pope , Thomas Jarvis
发明人： Eric O. Pope , Thomas Jarvis
IPC分类号： B60P1/24
CPC分类号： B60P1/28
摘要： A cargo hauling attachment includes a frame and a bed hingedly secured to the frame. The frame is rigidly attached to the front of a tractor and the bed is pivotable relative to the frame by a linear actuator. A pair of freely rotating wheels is provided beneath the frame to support the attachment and to improve maneuverability of the attachment. A lift gate having multiple dual motion hinge assemblies may be provided in certain embodiments.
摘要翻译：货物牵引附件包括框架和铰接地固定到框架上的床。框架刚性地连接到拖拉机的前部，并且床可以通过线性致动器相对于框架枢转。一对自由旋转的轮子设置在框架下方以支撑附件并提高附件的机动性。在某些实施例中可以提供具有多个双运动铰链组件的升降门。

5. 发明申请

US20060156308A1 Deadlock-prevention system 审中-公开
标题翻译：死锁预防系统
公开(公告)号：US20060156308A1
公开(公告)日：2006-07-13
申请号：US11031854
申请日：2005-01-07
申请人： Thomas Jarvis , Kenneth Todd
发明人： Thomas Jarvis , Kenneth Todd
IPC分类号： G06F9/46
CPC分类号： G06F9/524
摘要： A deadlock-prevention system includes a resource-access key passed from a parent process to a spawned process that includes the parent processes' level of access to a system resource. Optionally, the resource-access key includes a shared-access request based on the expectation by the parent process that the child process will need shared-access to a system resource. The resource-access key is presented by the child process to a resource-allocation algorithm. The resource-allocation algorithm identifies the resource-access key, allows the child process to bypass a resource-allocation queue, and grants shared access to the resource to the child process, preventing deadlock.
摘要翻译：死锁预防系统包括从父进程传递到生成的进程的资源访问密钥，其包括父进程对系统资源的访问级别。可选地，资源访问密钥包括基于父进程的期望的共享访问请求，子进程将需要对系统资源的共享访问。资源访问密钥由子进程呈现给资源分配算法。资源分配算法识别资源访问密钥，允许子进程绕过资源分配队列，并向子进程授予对资源的共享访问，从而防止死锁。

6. 发明申请

US20060106996A1 Updating data shared among systems 审中-公开
标题翻译：更新系统之间共享的数据
公开(公告)号：US20060106996A1
公开(公告)日：2006-05-18
申请号：US10989999
申请日：2004-11-15
申请人： Said Ahmad , Thomas Jarvis , Kenneth Todd
发明人： Said Ahmad , Thomas Jarvis , Kenneth Todd
IPC分类号： G06F12/14
CPC分类号： G06F9/526
摘要： Provided are a method, system and program for updating data shared among systems. A first and second systems maintain a first and second copies, respectively, of shared data stored in a storage device. The first system obtains a first lock to the shared data, wherein the first lock applies to the first system accessing the shared data. The first system sends to the second system a first message requesting a second lock to the shared data, wherein the second lock applies to the second system accessing the shared data; The second system obtains the second lock to the shared data for the first system in response to the first message sends to the first system a second message indicating the second lock to the shared data was granted.
摘要翻译：提供了一种用于更新系统之间共享的数据的方法，系统和程序。第一和第二系统分别保存存储在存储设备中的共享数据的第一和第二副本。第一系统获得对共享数据的第一锁定，其中第一锁适用于访问共享数据的第一系统。第一系统向第二系统发送请求对共享数据的第二锁定的第一消息，其中第二锁适用于访问共享数据的第二系统; 第二系统响应于第一消息获得第一系统的共享数据的第二锁定，发送给第一系统，指示对共享数据的第二锁定被授予的第二消息。

7. 发明申请

US20050251634A1 Point in time copy between data storage systems 失效
标题翻译：在数据存储系统之间的时间点复制
公开(公告)号：US20050251634A1
公开(公告)日：2005-11-10
申请号：US10839034
申请日：2004-05-05
申请人： Helena Burton , Michael Factor , Timothy Griffin , Thomas Jarvis , William Micka , Yoram Novick , Gail Spear , Sam Werner
发明人： Helena Burton , Michael Factor , Timothy Griffin , Thomas Jarvis , William Micka , Yoram Novick , Gail Spear , Sam Werner
IPC分类号： G06F13/10 , G06F3/06 , G06F11/20 , G06F12/16
CPC分类号： G06F3/065 , G06F3/0611 , G06F3/067 , G06F11/1458 , G06F2201/82
摘要： A target data storage system comprises a peer-to-peer communication link interface for linking the target to a source data storage system, and data storage for storing point in time copy data received from the source via the peer-to-peer communication link interface. Information is established at the target relating logical identification of the point in time copy data to point in time copy data stored at the target and to point in time copy data stored at the source, such that the information references the data storage system having requested point in time copy data. A controller of the target accesses requested point in time copy data at the target if the table indicates that the requested point in time copy data is available at the target; else obtains the requested point in time copy data from the source via the peer-to-peer communication link interface.
摘要翻译：目标数据存储系统包括用于将目标链接到源数据存储系统的点对点通信链路接口以及用于通过对等通信链路接口从源接收的时间点复制数据的数据存储器。在目标处建立信息，将时间点的复制数据的时间点的逻辑识别与存储在目标上的时间复制数据相关联，并将时间点复制存储在源中的数据，使得信息引用具有请求点的数据存储系统及时复制数据。如果该表指示所请求的时间点复制数据在目标上可用，则请求时间点的目标访问控制器复制数据在目标上; 否则通过对等通信链路接口从源中获得请求的时间点复制数据。

8. 发明申请

US20070186047A1 METHOD, SYSTEM, AND PROGRAM FOR DEMOTING TRACKS FROM CACHE 失效
标题翻译：用于从缓存中缓存轨迹的方法，系统和程序
公开(公告)号：US20070186047A1
公开(公告)日：2007-08-09
申请号：US11736760
申请日：2007-04-18
申请人： Thomas Jarvis , Michael Hartung , Karl Nielsen , Jeremy Pinson , Steven Lowe
发明人： Thomas Jarvis , Michael Hartung , Karl Nielsen , Jeremy Pinson , Steven Lowe
IPC分类号： G06F12/00 , G06F13/00
CPC分类号： G06F12/0804 , G06F12/0866
摘要： Provided are a method, system, and program for destaging a track from cache to a storage device. The destaged track is retained in the cache. Verification is made of whether the storage device successfully completed writing data. Indication is made of destaged tracks eligible for removal from the cache that were destaged before the storage device is verified in response to verifying that the storage device is successfully completing the writing of data.
摘要翻译：提供了一种用于将轨道从缓存降级到存储设备的方法，系统和程序。缓存中保留了已删除的轨道。验证存储设备是否成功完成写入数据。在存储设备被验证以响应于验证存储设备是否成功完成数据写入之前，指示有资格从高速缓存中移除的已迁移轨迹。

9. 发明申请

US20060112312A1 Apparatus, system, and method for adjusting trace data granularity 失效
标题翻译：用于调整跟踪数据粒度的装置，系统和方法
公开(公告)号：US20060112312A1
公开(公告)日：2006-05-25
申请号：US10992528
申请日：2004-11-18
申请人： Gary Dickenson , Thomas Jarvis , Paul Richards
发明人： Gary Dickenson , Thomas Jarvis , Paul Richards
IPC分类号： G06F11/00
CPC分类号： G06F11/3636
摘要： An apparatus, system, and method are disclosed for adjusting trace data granularity. An initialization module sets a base granularity for trace data recorded for a component. A registration module registers a condition counter comprising a condition set. The threshold module sets a count threshold for the condition counter. An increment module counts each instance of the condition set. An adjustment module adjusts the granularity of trace data stored for the component to a modified granularity if the condition count exceeds the count threshold. In one embodiment, a timer module times an adjusted trace data granularity time interval. The adjustment module may set the granularity of the trace data to the base granularity when the adjusted trace data granularity time interval exceeds a specified time interval.
摘要翻译：公开了一种用于调整跟踪数据粒度的装置，系统和方法。初始化模块为记录的组件的跟踪数据设置基本粒度。注册模块注册包括条件集的条件计数器。阈值模块设置条件计数器的计数阈值。增量模块对条件集的每个实例进行计数。如果条件数超过计数阈值，则调整模块将存储在组件中的跟踪数据的粒度调整为修改的粒度。在一个实施例中，定时器模块对经调整的跟踪数据粒度时间间隔进行乘法。当调整的跟踪数据粒度时间间隔超过指定的时间间隔时，调整模块可以将跟踪数据的粒度设置为基本粒度。

10. 发明申请

US20050228954A1 Method, system, and program for improved throughput in remote mirroring systems 有权
标题翻译：用于提高远程镜像系统吞吐量的方法，系统和程序
公开(公告)号：US20050228954A1
公开(公告)日：2005-10-13
申请号：US11144318
申请日：2005-06-03
申请人： Michael Factor , Shachar Fienblit , Olympia Gluck , Joseph Hyde , Thomas Jarvis , William Micka , Gail Spear , Martin Tross , Aviad Zlotnick
发明人： Michael Factor , Shachar Fienblit , Olympia Gluck , Joseph Hyde , Thomas Jarvis , William Micka , Gail Spear , Martin Tross , Aviad Zlotnick
IPC分类号： G06F11/14 , G06F11/20 , G06F12/00
CPC分类号： G06F11/2066 , G06F11/1451 , G06F11/1658 , G06F11/1666 , G06F11/20 , G06F11/2074
摘要： Disclosed is a method, system, and program for managing metadata in cache. A first policy is used to determine when to remove data from a primary cache, and a second policy is used to determine when to remove data from a metadata cache.
摘要翻译：公开了一种用于管理缓存中的元数据的方法，系统和程序。第一个策略用于确定何时从主缓存中删除数据，第二个策略用于确定何时从元数据缓存中删除数据。

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