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1. 发明授权

US07069410B2 Apparatus and method of creating a mirroring map for use with different pieces of data 失效
公开(公告)号：US07069410B2
公开(公告)日：2006-06-27
申请号：US10015223
申请日：2001-12-17
申请人： Gerald Francis McBrearty , Shawn Patrick Mullen , Johnny Meng-Han Shieh , Thomas Van Weaver
发明人： Gerald Francis McBrearty , Shawn Patrick Mullen , Johnny Meng-Han Shieh , Thomas Van Weaver
IPC分类号： G06F12/00
CPC分类号： G06F11/2069
摘要： A method, system and apparatus for allowing a mirroring map to be used with more than one piece of data are provided. First, a mirroring map is created and given a name. Then, the name of the mirroring map and the mirroring map itself are stored into the computer system. When a piece of data is to be stored in accordance with the mirroring map any time thereafter, the name of the mirroring map is used to associate the mirroring map with the piece of data.

2. 发明授权

US5822531A Method and system for dynamically reconfiguring a cluster of computer systems 失效
标题翻译：用于动态重新配置计算机系统集群的方法和系统
公开(公告)号：US5822531A
公开(公告)日：1998-10-13
申请号：US681324
申请日：1996-07-22
申请人： Robert Gorczyca , Aamir Arshad Rashid , Kevin Forress Rodgers , Stuart Warnsman , Thomas Van Weaver
发明人： Robert Gorczyca , Aamir Arshad Rashid , Kevin Forress Rodgers , Stuart Warnsman , Thomas Van Weaver
IPC分类号： G06F9/50 , G06F9/445 , G06F9/06
CPC分类号： G06F9/5061 , G06F2209/505 , Y10S707/99953
摘要： A method and system for dynamically reconfiguring a cluster of computer systems are disclosed. In accordance with the present invention, a first configuration file is provided at a plurality of computer systems within a cluster that specifies a current configuration of the cluster. A second configuration file is created at each of the plurality of computer systems that specifies a modified configuration of the cluster. The modified configuration is then verified. In response to the verification, the cluster is operated utilizing the modified configuration. In accordance with one embodiment, the dynamic reconfiguration of the cluster can include a reconfiguration of the cluster topology or resources.
摘要翻译：公开了一种用于动态重新配置计算机系统集群的方法和系统。根据本发明，在集群内的多个计算机系统处提供第一配置文件，其指定集群的当前配置。在指定簇的修改配置的多个计算机系统中的每一个处创建第二配置文件。然后验证修改的配置。响应于验证，使用修改的配置来操作群集。根据一个实施例，集群的动态重新配置可以包括集群拓扑或资源的重新配置。

3. 发明授权

US06804747B2 Apparatus and method of reducing physical storage systems needed for a volume group to remain active 失效
标题翻译：减少卷组保持活动所需的物理存储系统的装置和方法
公开(公告)号：US06804747B2
公开(公告)日：2004-10-12
申请号：US10015292
申请日：2001-12-17
申请人： Gerald Francis McBrearty , Shawn Patrick Mullen , Johnny Meng-Han Shieh , Thomas Van Weaver
发明人： Gerald Francis McBrearty , Shawn Patrick Mullen , Johnny Meng-Han Shieh , Thomas Van Weaver
IPC分类号： G06F1300
CPC分类号： G06F3/0601 , G06F11/2069 , G06F2003/0697
摘要： A method, system, apparatus and computer program product for reducing the number of physical storage systems needed for a volume group to remain active are provided. This is accomplished by creating mirroring sets out of the physical storage systems in the volume group and by setting up a policy that so long as one mirror out of each mirror set is available, the volume group should be allowed to remain active. To activate a volume group (i.e., when the computer system is turned or reset), there have to be at least one full mirror set and at least one mirror out of each remaining mirror set available. These two policies guarantee that there will always be valid metadata in the system.
摘要翻译：提供了用于减少卷组保持活动所需的物理存储系统的数量的方法，系统，装置和计算机程序产品。这可以通过在卷组中的物理存储系统中创建镜像集，并通过设置策略，只要每个镜像集中的一个镜像可用，则允许卷组保持活动状态。要激活卷组（即，当计算机系统被转动或复位时），必须有至少一个完整镜像集，并且每个剩余镜像集中的至少一个镜像可用。这两个策略保证系统中始终有有效的元数据。

4. 发明授权

US5274823A Interrupt handling serialization for process level programming 失效
标题翻译：中断处理序列化进程级编程
公开(公告)号：US5274823A
公开(公告)日：1993-12-28
申请号：US860829
申请日：1992-03-31
申请人： Larry B. Brenner , Barry P. Lubart , Jeffrey S. Lucash , John C. Rathjen, Jr. , Ronald Sasala , Thomas Van Weaver
发明人： Larry B. Brenner , Barry P. Lubart , Jeffrey S. Lucash , John C. Rathjen, Jr. , Ronald Sasala , Thomas Van Weaver
IPC分类号： G06F9/46 , G06F9/52 , G06F13/26 , G06F13/14
CPC分类号： G06F9/52 , G06F13/26
摘要： A method for serializing access to computer system resources without disabling interrupts in critical code sections or requiring excessive use of spin locks. A queue lock is introduced that allows an interrupt process to enqueue and be processed in turn without a spin lock and to block process code access to a particular resource until all interrupts are processed. Process level code is blocked from accessing a locked resource while requests for accesses from interrupt level code are queued in a deferred work queue which is processed prior to the release of the blocking lock. Establishment of deferred work queue means that processing can continue without disablement of interrupts and without significant overhead consumed by processes holding spin locks.

5. 发明授权

US07096333B2 Limited concurrent host access in a logical volume management data storage environment 失效
标题翻译：有限的并发主机访问在逻辑卷管理数据存储环境中
公开(公告)号：US07096333B2
公开(公告)日：2006-08-22
申请号：US10199384
申请日：2002-07-18
申请人： Gerald Francis McBrearty , Thomas Van Weaver
发明人： Gerald Francis McBrearty , Thomas Van Weaver
IPC分类号： G06F12/00
CPC分类号： H04L63/10 , G06F3/0601 , G06F21/6227 , G06F2003/0697
摘要： A method, system, and program product for controlling multi-node access to a disk storage system. In accordance with the method of the present invention, an active access authorization is set for a first node. The active access authorization enables read and write access by the first node to user and meta data within the disk storage system. A passive access authorization is set for a second node. The passive access authorization enables read-only access by the second node to logical volume management meta data within the disk storage system.
摘要翻译：一种用于控制对磁盘存储系统的多节点访问的方法，系统和程序产品。根据本发明的方法，为第一节点设置主动接入授权。主动访问授权允许第一节点对磁盘存储系统中的用户和元数据进行读写访问。为第二个节点设置被动访问授权。被动访问授权允许第二节点对磁盘存储系统内的逻辑卷管理元数据的只读访问。

6. 发明授权

US06804703B1 System and method for establishing persistent reserves to nonvolatile storage in a clustered computer environment 失效
标题翻译：在集群计算机环境中为非易失性存储建立永久保留的系统和方法
公开(公告)号：US06804703B1
公开(公告)日：2004-10-12
申请号：US09599184
申请日：2000-06-22
申请人： James P. Allen , Gerald Francis McBrearty , Johnny Meng-Han Shieh , Thomas Van Weaver
发明人： James P. Allen , Gerald Francis McBrearty , Johnny Meng-Han Shieh , Thomas Van Weaver
IPC分类号： G06F1116
CPC分类号： H04L67/1097 , H04L41/069 , H04L67/145 , H04L69/40
摘要： A system and method for recovering from a failure in a clustered environment sharing a common nonvolatile storage device. The first computer reserves the device by identifying itself in a reservation key associated with the device. The first device sends a signal to one or more backup computers informing the backup computers that the first computer is operational. When the first computer fails to operate, one of the backup computers breaks the first computer's reservation to the storage device and writes a new reservation key to the reservation storage area identifying the backup computer as the reservation holder of the storage device. When the first computer is reinitialized, it reads the reservation storage area and does not attempt to break the reservation made by the backup computer. One embodiment provides for the first computer to request control from the backup computer upon being reinitialized whereupon the backup computer releases its reservation and relinquishes control. Another embodiment provides for the first computer to act as a backup computer. Writing to the nonvolatile storage device simultaneously from multiple paths, such as from a NUMA machine, is further disclosed using a reservation key identifying the computer.
摘要翻译：一种用于从共享公共非易失性存储设备的集群环境中的故障中恢复的系统和方法。第一台计算机通过在与设备相关联的预留密钥中识别自己来保留设备。第一个设备向一个或多个备份计算机发送信号，通知备份计算机第一台计算机正在运行。当第一台计算机无法运行时，其中一台备份计算机将第一台计算机的预留切断到存储设备，并将一个新的预留密钥写入预留存储区，该预留存储区标识备份计算机作为存储设备的预约持有者。当第一台计算机重新初始化时，它读取预留存储区域，不会中断备份计算机所做的预留。一个实施例提供了第一计算机在重新初始化时从备份计算机请求控制，随后备用计算机释放其预留并放弃控制。另一实施例提供了第一计算机作为备用计算机。使用识别计算机的预约键进一步公开从诸如NUMA机器的多个路径同时写入非易失性存储设备。

7. 发明授权

US5946463A Method and system for automatically performing an operation on multiple computer systems within a cluster 失效
标题翻译：在集群内的多个计算机系统上自动执行操作的方法和系统
公开(公告)号：US5946463A
公开(公告)日：1999-08-31
申请号：US681202
申请日：1996-07-22
申请人： Alexander Duncan Carr , Jeffrey Michael Dangel , Michael Nelson Galassi , Kevin Forress Rodgers , Emy Ying-Mei Tseng , Thomas Van Weaver
发明人： Alexander Duncan Carr , Jeffrey Michael Dangel , Michael Nelson Galassi , Kevin Forress Rodgers , Emy Ying-Mei Tseng , Thomas Van Weaver
IPC分类号： H04L29/06 , H04L29/08 , G06F13/38 , G06F15/17
CPC分类号： H04L29/06 , H04L67/10
摘要： A method and system for automatically performing one or more operations on multiple computer systems within a cluster are disclosed. In accordance with the present invention, a begin operations command construct is defined within an input file. In addition, an input command indicating one or more operations to be performed on at least two computer systems within the cluster and an end operations command construct are defined. In response to a selected input, one or more operations indicated by the input command are automatically performed on at least two computer systems. In accordance with one embodiment, the begin operations command construct indicates selected computer systems within the cluster on which the one or more operations are to be performed and whether the operations are to be performed on the selected computer systems serially or in parallel.
摘要翻译：公开了一种用于在群集内的多个计算机系统上自动执行一个或多个操作的方法和系统。根据本发明，在输入文件内定义开始操作命令结构。此外，定义指示要在群集内的至少两个计算机系统执行的一个或多个操作的输入命令和结束操作命令结构。响应于所选择的输入，在至少两个计算机系统上自动执行由输入命令指示的一个或多个操作。根据一个实施例，开始操作命令结构指示要在其上执行一个或多个操作的集群内的所选择的计算机系统以及是否在所选择的计算机系统上串行或并行执行操作。

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