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    • 5. 发明申请
    • APPARATUS AND METHOD OF MANAGING METADATA IN ASYMMETRIC DISTRIBUTED FILE SYSTEM
    • 在不对称分布式文件系统中管理元数据的装置和方法
    • US20110153606A1
    • 2011-06-23
    • US12970900
    • 2010-12-16
    • Hong-Yeon KIMYoung-Kyun KimHan Namgoong
    • Hong-Yeon KIMYoung-Kyun KimHan Namgoong
    • G06F17/30
    • G06F16/1827
    • Provided are an apparatus and a method which can be easily implemented with flexibility enabling distributing all metadata of trees and files in an asymmetric distributed file system. The apparatus includes: a metadata storage unit storing metadata corresponding to a part of partitions of a virtual metadata address space storing metadata for directories and/or files for each of the partitions; and a metadata storage management unit controlling the metadata so that the metadata are stored in the metadata storage unit and manages a master map including information on the part of the partitions. Since all directories and files can be distributed to a plurality of metadata servers without a limitation, it is possible to prevent a load from being concentrated on a predetermined metadata server. Metadata roles of the metadata servers are very simply readjusted and as a result, the load can be easily distributed in a partition level.
    • 提供了一种可以容易地实现的装置和方法,其灵活性使得能够在不对称分布式文件系统中分发树和文件的所有元数据。 该装置包括:元数据存储单元,存储对应于存储用于每个分区的目录和/或文件的元数据的虚拟元数据地址空间的分区的一部分的元数据; 以及元数据存储管理单元,其控制元数据,使得元数据被存储在元数据存储单元中并且管理包括关于该分区的一部分的信息的主映射。 由于所有目录和文件都可以分配到多个元数据服务器而不受限制,因此可以防止负载集中在预定的元数据服务器上。 元数据服务器的元数据角色非常简单地重新调整,结果可以轻松地在分区级别分配负载。
    • 7. 发明授权
    • Apparatus and method of performing error recovering process in asymmetric clustering file system
    • 在不对称聚类文件系统中执行错误恢复过程的装置和方法
    • US08543864B2
    • 2013-09-24
    • US12971167
    • 2010-12-17
    • Sang-Min LeeYoung-Kyun KimHan Namgoong
    • Sang-Min LeeYoung-Kyun KimHan Namgoong
    • G06F11/00
    • G06F11/1092G06F2211/1028G06F2211/1059
    • The present invention relates to an apparatus and method of performing an error recovery process in an asymmetric clustering file system that has higher efficiency in data recovery when a data server in an asymmetric clustering file system fails than a method of processing the data recovery in the metadata server. The present invention includes receiving a chunk list requiring recovery by a data server included in the other data server groups than a data server group including a failed data server among a plurality of data server groups, requesting chunk data necessary for recovering an erroneous chunk from a data server in the other data server groups to the other data servers than the failed data server in the data server group, and recovering the erroneous chunk based on the chunk data by the data server in the other data server group.
    • 本发明涉及一种在不对称聚类文件系统中执行错误恢复过程的装置和方法,该系统在非对称聚类文件系统中的数据服务器故障时具有较高的数据恢复效率,而不是处理元数据中的数据恢复方法 服务器。 本发明包括接收需要由包括在其他数据服务器组中的数据服务器恢复的块列表,而不是包括多个数据服务器组中的故障数据服务器的数据服务器组,请求从一个数据服务器组中恢复错误块所需的块数据 其他数据服务器组中的数据服务器与数据服务器组中的故障数据服务器相对的其他数据服务器,并且由另一数据服务器组中的数据服务器基于块数据恢复错误块。
    • 8. 发明申请
    • APPARATUS AND METHOD OF PERFORMING ERROR RECOVERING PROCESS IN ASYMMETRIC CLUSTERING FILE SYSTEM
    • 在不对称集群文件系统中执行错误恢复过程的装置和方法
    • US20110154100A1
    • 2011-06-23
    • US12971167
    • 2010-12-17
    • Sang-Min LEEYoung-Kyun KimHan Namgoong
    • Sang-Min LEEYoung-Kyun KimHan Namgoong
    • G06F11/07
    • G06F11/1092G06F2211/1028G06F2211/1059
    • The present invention relates to an apparatus and method of performing an error recovery process in an asymmetric clustering file system that has higher efficiency in data recovery when a data server in an asymmetric clustering file system fails than a method of processing the data recovery in the metadata server. The present invention includes receiving a chunk list requiring recovery by a data server included in the other data server groups than a data server group including a failed data server among a plurality of data server groups, requesting chunk data necessary for recovering an erroneous chunk from a data server in the other data server groups to the other data servers than the failed data server in the data server group, and recovering the erroneous chunk based on the chunk data by the data server in the other data server group.
    • 本发明涉及一种在不对称聚类文件系统中执行错误恢复过程的装置和方法,该系统在非对称聚类文件系统中的数据服务器故障时具有较高的数据恢复效率,而不是处理元数据中的数据恢复方法 服务器。 本发明包括接收需要由包括在其他数据服务器组中的数据服务器恢复的块列表,而不是包括多个数据服务器组中的故障数据服务器的数据服务器组,请求从一个数据服务器组中恢复错误块所需的块数据 其他数据服务器组中的数据服务器与数据服务器组中的故障数据服务器相对的其他数据服务器,并且由另一数据服务器组中的数据服务器基于块数据恢复错误块。
    • 9. 发明申请
    • Method and system for processing sensor data in context-aware system
    • 在上下文感知系统中处理传感器数据的方法和系统
    • US20070136740A1
    • 2007-06-14
    • US11592356
    • 2006-11-03
    • Kang LeeHan NamgoongNam ParkTae Kang
    • Kang LeeHan NamgoongNam ParkTae Kang
    • H04H9/00H04N7/16
    • H04H60/45A63F2300/1062A63F2300/69G06F9/542H04H60/65
    • A method and system for processing sensor data in a context-aware system is provided. The system includes: a sensor service collecting the sensor data from a driver of a physical sensor and generating a low level event; an STHQ temporarily storing the generated event and an event generated previously by an event interceptor; and a sensor framework comprised of the event interceptor forming an EIC (event interpretation chain) which interprets the generated event and the event stored in the STHQ and generated previously in connection with each other, and generating or deleting an event or processing the generated event as an event necessary for an upper level application service through an interlocking with the STHQ. The present invention provides active services on the basis of context knowledge inputted from various sensors.
    • 提供了一种在上下文感知系统中处理传感器数据的方法和系统。 该系统包括:传感器服务,从物理传感器的驱动器收集传感器数据并产生低电平事件; STHQ临时存储生成的事件和事件拦截器先前生成的事件; 以及由事件拦截器组成的传感器框架,该事件拦截器形成解释所生成的事件的EIC(事件解释链)和事先存储在STHQ中并且先前相互连接生成的事件,以及生成或删除事件或将生成的事件处理为 通过与STHQ互锁,上级应用服务所需的事件。 本发明基于从各种传感器输入的上下文知识提供主动服务。
    • 10. 发明申请
    • REMOTE POWER MANAGEMENT SYSTEM AND METHOD FOR CLUSTER SYSTEM
    • 远程电力管理系统和集群系统的方法
    • US20100162013A1
    • 2010-06-24
    • US12507403
    • 2009-07-22
    • Soo Cheol OHSeong Woon KimHan Namgoong
    • Soo Cheol OHSeong Woon KimHan Namgoong
    • G06F1/00G06F15/173
    • G06F1/3203G06F11/3006G06F11/3055G06F11/3062
    • A remote power management technology for a cluster system of the present invention can monitor and control the power status of multiple hosts of the cluster system individually, thereby decreasing power consumption of the cluster system. A remote power management system includes a plurality of management nodes, a power proxy server, and a power management server. The management nodes, which manage power of the hosts of the cluster system respectively, are divided into groups. The power proxy server manages each group, monitors the power status of each management node of the group to generate proxy monitoring information, and transmits a power setting command to the management node of the specific host requiring power setting. The power management server monitors the power status of the hosts using the proxy monitoring information and transmits the power setting command to the power proxy server of the group including the management node of the specific host.
    • 本发明的集群系统的远程电源管理技术可以单独监视和控制集群系统的多台主机的电源状态,从而降低集群系统的功耗。 远程电力管理系统包括多个管理节点,电力代理服务器和电力管理服务器。 分别管理集群系统主机功率的管理节点分为几组。 电力代理服务器管理每个组,监视组中每个管理节点的电源状态以生成代理监视信息,并将功率设置命令发送到需要电源设置的特定主机的管理节点。 电源管理服务器使用代理监视信息监视主机的电源状态,并将功率设置命令发送到包括特定主机的管理节点的组的电源代理服务器。