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    • 2. 发明授权
    • System and method for managing resources in a partitioned computing system based on resource usage volatility
    • 基于资源使用波动率在分区计算系统中管理资源的系统和方法
    • US08745633B2
    • 2014-06-03
    • US12777276
    • 2010-05-11
    • Bhaskar JayaramanBrian D McKean
    • Bhaskar JayaramanBrian D McKean
    • G06F9/46G06F9/455G06F15/173
    • G06F9/5061
    • A system and method for managing resources in a partitioned computing system using determined risk of resource saturation is disclosed. In one example embodiment, the partitioned computing system includes one or more partitions. A volatility of resource usage for each partition is computed based on computed resource usage gains/losses associated with each partition. A current resource usage of each partition is then determined. Further, a risk of resource saturation is determined by comparing the computed volatility of resource usage with the determined current resource usage of each partition. The resources in the partitioned computing system are then managed using the determined risk of resource saturation associated with each partition.
    • 公开了一种使用确定的资源饱和风险在分区计算系统中管理资源的系统和方法。 在一个示例实施例中,分区计算系统包括一个或多个分区。 基于与每个分区相关联的计算的资源使用增益/损失来计算每个分区的资源使用的波动。 然后确定每个分区的当前资源使用情况。 此外,通过将计算的资源使用的波动率与所确定的每个分区的当前资源使用进行比较来确定资源饱和的风险。 然后使用确定的与每个分区相关联的资源饱和风险来管理分区计算系统中的资源。
    • 4. 发明授权
    • Magnetic field concentration means and method for an implanted device
    • 用于植入装置的磁场浓度装置和方法
    • US4340038A
    • 1982-07-20
    • US216540
    • 1980-12-15
    • Brian D. McKean
    • Brian D. McKean
    • A61B5/03G01R1/16A61B5/02
    • G01R1/16A61B5/031
    • A magnetic field concentration means and method for use in conjunction with an implanted device responsive to an externally generated magnetic field. More specifically, a magnetic field concentrator is disclosed which includes a metallic slug located between a magnetic field generator and a magnetic pick-up coil contained in the implanted device. The metallic slug concentrates magnetic lines of flux at the pick-up coil. In a specific embodiment, the implanted device is an intracranial pressure monitoring device (ICPM) which is located within an orifice formed in a recipient's skull. The magnetic field concentrator is positioned within the orifice and directly above the ICPM, thereby concentrating magnetic flux lines at the ICPM. Two configurations of the slug are disclosed, one being in the form of a cylinder and the other being in the form of a truncated cone. In another application of the concentrator, a bandage or other suitable holding means positions the slug externally to the implanted device, thereby again concentrating magnetic lines of flux at the implanted device.
    • 一种磁场浓度的装置和方法,用于与外部产生的磁场响应的植入装置结合使用。 更具体地,公开了一种磁场集中器,其包括位于植入装置中所包含的磁场发生器和磁性拾取线圈之间的金属块。 金属块集中了拾取线圈上的磁通线。 在具体实施例中,植入装置是位于接收者头骨中形成的孔内的颅内压监测装置(ICPM)。 磁场集中器位于孔内并直接位于ICPM上方,从而将磁通线集中在ICPM处。 公开了两种构型,其中一种是圆柱体,另一种是截锥体。 在集中器的另一应用中,绷带或其他合适的保持装置将子弹定位在植入装置的外部,从而再次将磁通线的磁线集中在植入装置处。
    • 5. 发明申请
    • METHODS AND STRUCTURE FOR DETERMINING CACHE SIZE IN A STORAGE SYSTEM
    • 用于确定存储系统中的高速缓存大小的方法和结构
    • US20120124295A1
    • 2012-05-17
    • US12948321
    • 2010-11-17
    • Donald R. HumlicekTimothy R. SniderBrian D. McKean
    • Donald R. HumlicekTimothy R. SniderBrian D. McKean
    • G06F12/08G06F12/06
    • G06F12/0646G06F11/3409G06F11/3485G06F12/0802G06F2201/81G06F2201/88G06F2201/885
    • Methods and structure for automated determination and reconfiguration of the size of a cache memory in a storage system. Features and aspects hereof generate historical information regarding frequency of hits on cache lines in the cache memory. The history maintained is then analyzed to determine a desired cache memory size. The historical information regarding cache memory usage may be communicated to a user who may then direct the storage system to reconfigure its cache memory to a desired cache memory size. In other embodiments, the storage system may automatically determine the desired cache memory size and reconfigure its cache memory. The method may be performed automatically periodically, and/or in response to a user's request, and/or in response to detecting thrashing caused by least recently used (LRU) cache replacement algorithms in the storage system.
    • 用于自动确定和重新配置存储系统中的高速缓存的大小的方法和结构。 其特征和方面产生关于高速缓冲存储器中的高速缓存行上的命中频率的历史信息。 然后分析维护的历史以确定期望的高速缓冲存储器大小。 关于高速缓存存储器使用的历史信息可以被传送给用户,用户然后可以指示存储系统将其高速缓冲存储器重新配置为期望的高速缓存存储器大小。 在其他实施例中,存储系统可以自动确定期望的高速缓冲存储器大小并重新配置其高速缓冲存储器。 可以周期性地和/或响应于用户的请求和/或响应于检测由存储系统中最近最少使用的(LRU)高速缓存替换算法引起的抖动来自动执行该方法。
    • 6. 发明申请
    • METHOD FOR MANAGING AND TUNING DATA MOVEMENT BETWEEN CACHES IN A MULTI-LEVEL STORAGE CONTROLLER CACHE
    • 用于管理和调整多级存储控制器缓存中的缓存之间的数据移动的方法
    • US20120089782A1
    • 2012-04-12
    • US12899746
    • 2010-10-07
    • Brian D. McKeanDonald R. HumlicekTimothy R. Snider
    • Brian D. McKeanDonald R. HumlicekTimothy R. Snider
    • G06F12/08
    • G06F12/0804G06F12/0866G06F12/0897
    • A method for managing data movement in a multi-level cache system having a primary cache and a secondary cache. The method includes determining whether an unallocated space of the primary cache has reached a minimum threshold; selecting at least one outgoing data block from the primary cache when the primary cache reached the minimum threshold; initiating a de-stage process for de-staging the outgoing data block from the primary cache; and terminating the de-stage process when the unallocated space of the primary cache has reached an upper threshold. The de-stage process further includes determining whether a cache hit has occurred in the secondary cache before; storing the outgoing data block in the secondary cache when the cache hit has occurred in the secondary cache before; generating and storing metadata regarding the outgoing data block; and deleting the outgoing data block from the primary cache.
    • 一种用于管理具有主高速缓存和二级高速缓存的多级缓存系统中的数据移动的方法。 该方法包括确定主缓存器的未分配空间是否已经达到最小阈值; 当主缓存达到最小阈值时,从主缓存中选择至少一个输出数据块; 发起用于从所述主缓存中去除所述输出数据块的去级过程; 并且当主缓存器的未分配空间已经达到上限阈值时终止去级处理。 去级过程还包括确定高速缓存命中是否已经在次级高速缓存中发生; 当高速缓存命中已经在二级缓存中发生时,将输出数据块存储在二级高速缓存中; 生成和存储关于输出数据块的元数据; 并从主缓存中删除输出数据块。
    • 7. 发明授权
    • Data volume rebuilder and methods for arranging data volumes for improved RAID reconstruction performance
    • 数据卷重建器和排列数据卷以提高RAID重构性能的方法
    • US08065558B2
    • 2011-11-22
    • US12409559
    • 2009-03-24
    • Ross E. ZwislerBrian D. McKean
    • Ross E. ZwislerBrian D. McKean
    • G06F11/00
    • G06F11/2094G06F11/1092
    • A data volume rebuilder reduces the time required to reconstruct lost data in a RAID protected data volume operating with a failed physical disk drive. A data volume rebuilder uses the remaining functioning physical disk drives in the RAID protected data volume operating with the failed disk to regenerate the lost data and populate a virtual hot spare store allocated in a separate RAID protected data volume. The recovered data is distributed across the physical disk drives supporting the virtual hot spare store. Once the virtual hot spare store is populated, the data volume can recover from a subsequent failure of a second physical disk drive in either RAID group. After replacement of the failed physical disk drive, the data volume rebuilder moves the recovered data from the virtual hot spare store to the new physical disk drive.
    • 数据卷重建器减少了在使用故障物理磁盘驱动器的RAID保护数据卷中重构丢失数据所需的时间。 数据卷重建器使用与故障磁盘一起运行的RAID保护数据卷中的剩余功能的物理磁盘驱动器来重新生成丢失的数据,并填充分配在单独的RAID保护数据卷中的虚拟热备用存储。 恢复的数据分布在支持虚拟热备用存储的物理磁盘驱动器上。 填充虚拟热备用存储后,数据卷可以从任一RAID组中的第二个物理磁盘驱动器的后续故障中恢复。 更换故障的物理磁盘驱动器后,数据卷重建器将恢复的数据从虚拟热备用存储区移动到新的物理磁盘驱动器。