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1. 发明授权

US07003688B1 System and method for a reserved memory area shared by all redundant storage controllers 有权
标题翻译：所有冗余存储控制器共享的保留内存区域的系统和方法
公开(公告)号：US07003688B1
公开(公告)日：2006-02-21
申请号：US10183967
申请日：2002-06-28
申请人： Michael Henry Pittelkow , Mark David Olson
发明人： Michael Henry Pittelkow , Mark David Olson
IPC分类号： G06F11/00
CPC分类号： G06F11/2092 , G06F11/1666 , G06F11/2007 , G06F11/2089
摘要： A fibre channel storage area network (SAN) provides virtualized storage space for a number of servers to a number of virtual disks implemented on various virtual redundant array of inexpensive disks (RAID) devices striped across a plurality of physical disk drives. The SAN includes plural controllers and communication paths to allow for fail-safe and fail-over operation. The plural controllers can be loosely-coupled to provide n-way redundancy and have more than one independent channel for communicating with one another. In the event of a failure involving a controller or controller interface, the virtual disks that are accessed via the affected interfaces are re-mapped to another interface in order to continue to provide high data availability. In particular, a common memory storage device is connected to the back-ends of every controller to provide a storage area. In this manner, the common memory storage device can be accessed via operations similar to those a controller already uses to presently access the physical disks which are connected to the back-end of the controllers.
摘要翻译：光纤通道存储区域网络（SAN）向许多虚拟磁盘提供多个服务器的虚拟存储空间，这些虚拟磁盘在多个物理磁盘驱动器上划分的廉价磁盘（RAID）设备的各种虚拟冗余阵列上实现。 SAN包括多个控制器和通信路径，以允许故障安全和故障切换操作。多个控制器可以松耦合以提供n路冗余并且具有多于一个用于彼此通信的独立信道。在涉及控制器或控制器接口的故障中，通过受影响的接口访问的虚拟磁盘将重新映射到另一个接口，以便继续提供高数据可用性。特别地，公共存储器存储设备连接到每个控制器的后端以提供存储区域。以这种方式，可以通过类似于控制器已经用于当前访问连接到控制器的后端的物理盘的操作来访问公共存储器存储设备。

2. 发明授权

US07127633B1 System and method to failover storage area network targets from one interface to another 有权
标题翻译：将存储区域网络目标从一个接口故障转移到另一个接口的系统和方法
公开(公告)号：US07127633B1
公开(公告)日：2006-10-24
申请号：US10184058
申请日：2002-06-28
申请人： Mark David Olson , Michael Henry Pittelkow
发明人： Mark David Olson , Michael Henry Pittelkow
IPC分类号： G06F11/00
CPC分类号： G06F11/2092
摘要： A fiber channel storage area network (SAN) provides virtualized storage space for a number of servers to a number of virtual disks implemented on various virtual redundant array of inexpensive disks (RAID) devices striped across a plurality of physical disk drives. The SAN includes plural controllers and communication paths to allow for fail-safe and fail-over operation. The plural controllers can be loosely-coupled to provide n-way redundancy and have more than one independent channel for communicating with one another. In the event of a failure involving a controller or controller interface, the virtual disks that are accessed via the affected interfaces are re-mapped to another interface in order to continue to provide high data availability. In particular, those targets, or virtual disks, which are owned by a failed device (e.g., interface or controller) are identified and their ownership information within the SAN configuration tables is revised to reflect one or more alternative devices which act as back-up devices.
摘要翻译：光纤通道存储区域网络（SAN）向许多虚拟磁盘提供多个服务器的虚拟存储空间，这些虚拟磁盘在多个物理磁盘驱动器上划分的廉价磁盘（RAID）设备的各种虚拟冗余阵列上实现。 SAN包括多个控制器和通信路径，以允许故障安全和故障切换操作。多个控制器可以松耦合以提供n路冗余并且具有多于一个用于彼此通信的独立信道。在涉及控制器或控制器接口的故障中，通过受影响的接口访问的虚拟磁盘将重新映射到另一个接口，以便继续提供高数据可用性。特别地，识别由故障设备（例如，接口或控制器）拥有的那些目标或虚拟磁盘，并且修改其在SAN配置表内的所有权信息以反映用作备份的一个或多个备选设备设备。

3. 发明授权

US07043663B1 System and method to monitor and isolate faults in a storage area network 有权
标题翻译：监控和隔离存储区域网络故障的系统和方法
公开(公告)号：US07043663B1
公开(公告)日：2006-05-09
申请号：US10184059
申请日：2002-06-28
申请人： Michael Henry Pittelkow , Mark David Olson
发明人： Michael Henry Pittelkow , Mark David Olson
IPC分类号： G06F11/00
CPC分类号： G06F11/2092
摘要： A fiber channel storage area network (SAN) provides virtualized storage space for a number of servers to a number of virtual disks implemented on various virtual redundant array of inexpensive disks (RAID) devices striped across a plurality of physical disk drives. The SAN includes plural controllers and communication paths to allow for fail-safe and fail-over operation. The plural controllers can be loosely-coupled to provide n-way redundancy and have more than one independent channel for communicating with one another. In the event of a failure involving a controller or controller interface, the virtual disks that are accessed via the affected interfaces are re-mapped to another interface in order to continue to provide high data availability. In particular, deadman timers, heartbeat signals internal to each controller, and heartbeat signals between different controllers are used to detect controllers that are no longer communicating with other controllers in order to identify those controllers which are failing or have failed.
摘要翻译：光纤通道存储区域网络（SAN）向许多虚拟磁盘提供多个服务器的虚拟存储空间，这些虚拟磁盘在多个物理磁盘驱动器上划分的廉价磁盘（RAID）设备的各种虚拟冗余阵列上实现。 SAN包括多个控制器和通信路径，以允许故障安全和故障切换操作。多个控制器可以松耦合以提供n路冗余并且具有多于一个用于彼此通信的独立信道。在涉及控制器或控制器接口的故障中，通过受影响的接口访问的虚拟磁盘将重新映射到另一个接口，以便继续提供高数据可用性。特别地，用于每个控制器内部的死亡计时器，心跳信号和不同控制器之间的心跳信号用于检测不再与其他控制器通信的控制器，以便识别那些失败或失败的控制器。

4. 发明授权

US06996741B1 System and method for redundant communication between redundant controllers 有权
标题翻译：冗余控制器之间冗余通信的系统和方法
公开(公告)号：US06996741B1
公开(公告)日：2006-02-07
申请号：US10183946
申请日：2002-06-28
申请人： Michael Henry Pittelkow , Mark David Olson
发明人： Michael Henry Pittelkow , Mark David Olson
IPC分类号： G06F11/00
CPC分类号： G06F11/2092
摘要： A fibre channel storage area network (SAN) provides virtualized storage space for a number of servers to a number of virtual disks implemented on various virtual redundant array of inexpensive disks (RAID) devices striped across a plurality of physical disk drives. The SAN includes plural controllers and communication paths to allow for fail-safe and fail-over operation. The plural controllers can be loosely-coupled to provide n-way redundancy and have more than one independent channel for communicating with one another. In the event of a failure involving a controller or controller interface, the virtual disks that are accessed via the affected interfaces are re-mapped to another interface in order to continue to provide high data availability.
摘要翻译：光纤通道存储区域网络（SAN）向许多虚拟磁盘提供多个服务器的虚拟存储空间，这些虚拟磁盘在多个物理磁盘驱动器上划分的廉价磁盘（RAID）设备的各种虚拟冗余阵列上实现。 SAN包括多个控制器和通信路径，以允许故障安全和故障切换操作。多个控制器可以松耦合以提供n路冗余并且具有多于一个用于彼此通信的独立信道。在涉及控制器或控制器接口的故障中，通过受影响的接口访问的虚拟磁盘将重新映射到另一个接口，以便继续提供高数据可用性。

5. 发明授权

US06883065B1 System and method for a redundant communication channel via storage area network back-end 有权
标题翻译：通过存储区域网络后端的冗余通信通道的系统和方法
公开(公告)号：US06883065B1
公开(公告)日：2005-04-19
申请号：US10183979
申请日：2002-06-28
申请人： Michael Henry Pittelkow , Mark David Olson
发明人： Michael Henry Pittelkow , Mark David Olson
IPC分类号： G06F3/06 , G06F11/00 , G06F11/07 , G06F12/00 , G06F12/08
CPC分类号： G06F11/2092 , G06F3/0601 , G06F11/0727 , G06F11/0757 , G06F11/0784 , G06F11/201 , G06F12/0866 , G06F2003/0697
摘要： A fiber channel storage area network (SAN) provides virtualized storage space for a number of servers to a number of virtual disks implemented on various virtual redundant array of inexpensive disks (RAID) devices striped across a plurality of physical disk drives. The SAN includes plural controllers and communication paths to allow for fail-safe and fail-over operation. The plural controllers can be loosely-coupled to provide n-way redundancy and have more than one independent channel for communicating with one another. In particular, respective portions from each of the back-end physical disk drives within the SAN are used as one of these alternative communication channels to pass messages between controllers. Such an alternative communications channel provides even further redundancy and robustness in the system.
摘要翻译：光纤通道存储区域网络（SAN）向许多虚拟磁盘提供多个服务器的虚拟存储空间，这些虚拟磁盘在多个物理磁盘驱动器上划分的廉价磁盘（RAID）设备的各种虚拟冗余阵列上实现。 SAN包括多个控制器和通信路径，以允许故障安全和故障切换操作。多个控制器可以松耦合以提供n路冗余并且具有多于一个用于彼此通信的独立信道。特别地，SAN中的每个后端物理磁盘驱动器的相应部分被用作这些替代通信信道之一以在控制器之间传递消息。这种替代的通信信道在系统中提供了甚至更多的冗余和鲁棒性。

6. 发明授权

US07069468B1 System and method for re-allocating storage area network resources 有权
标题翻译：重新分配存储区域网络资源的系统和方法
公开(公告)号：US07069468B1
公开(公告)日：2006-06-27
申请号：US10183949
申请日：2002-06-28
申请人： Mark David Olson , Michael Henry Pittelkow
发明人： Mark David Olson , Michael Henry Pittelkow
IPC分类号： G06F11/00
CPC分类号： G06F11/2092
摘要： A fiber channel storage area network (SAN) provides virtualized storage space for a number of servers to a number of virtual disks implemented on various virtual redundant array of inexpensive disks (RAID) devices striped across a plurality of physical disk drives. The SAN includes plural controllers and communication paths to allow for fail-safe and fail-over operation. The plural controllers can be loosely-coupled to provide n-way redundancy and more than one independent channel for communicating with one another. In the event of a failure involving a controller or controller interface, the virtual disks that are accessed via the affected interfaces are re-mapped to another interface in order to continue to provide high data availability. In particular a resource re-allocation routine operating on one of the controllers employs predetermined criteria against a family of potential back-up controllers in order to select appropriate back-up controllers for a particular device that fails. The criteria, for example, can include an explicit primary/secondary table to control selecting a secondary controller for any primary controller or be more complex so as to consider such statistics as data transfer loads among the interfaces, data transfer loads among the controllers, or the number of targets assigned to each interfaces.
摘要翻译：光纤通道存储区域网络（SAN）向许多虚拟磁盘提供多个服务器的虚拟存储空间，这些虚拟磁盘在多个物理磁盘驱动器上划分的廉价磁盘（RAID）设备的各种虚拟冗余阵列上实现。 SAN包括多个控制器和通信路径，以允许故障安全和故障切换操作。多个控制器可以松散耦合以提供n路冗余和多于一个用于彼此通信的独立信道。在涉及控制器或控制器接口的故障中，通过受影响的接口访问的虚拟磁盘将重新映射到另一个接口，以便继续提供高数据可用性。特别地，在一个控制器上操作的资源重新分配程序针对一组潜在的后备控制器采用预定准则，以便为失败的特定设备选择适当的备份控制器。例如，标准可以包括显式的主/次表以控制为任何主控制器选择辅助控制器或者更复杂，以便考虑诸如接口之间的数据传输负载，控制器之间的数据传输负载或者控制器之间的数据传输负载分配给每个接口的目标数。

7. 发明授权

US5764743A Method of controlling operation of a multi-line telephone apparatus 失效
标题翻译：控制多线电话机操作的方法
公开(公告)号：US5764743A
公开(公告)日：1998-06-09
申请号：US546459
申请日：1995-10-20
申请人： James Francis Goedken , Thomas Stuart Recht , Michael Henry Pittelkow
发明人： James Francis Goedken , Thomas Stuart Recht , Michael Henry Pittelkow
IPC分类号： H04M1/725 , H04M9/00 , H04M1/00
CPC分类号： H04M9/002 , H04M1/72505
摘要： A method of operating a multi-line telephone apparatus includes, when a phone line switch (140) is actuated, taking a phone line off-hook when the line is on-hook and bringing the phone line on-hook when the line is off-hook. When the phone line is off-hook and a hold switch (164) is actuated, a hold condition is placed on the phone line when the line is not on hold and removed when the line is on hold. When a phone call is established on a first phone line and a conference switch (160) is actuated, a second phone line is brought off-hook and a conference call connection is established. A common conventional method of making a conference call, which includes actuations of hold switch (164) and phone line switches (140, 142), is retained.
摘要翻译：一种操作多线电话设备的方法包括：当电话线路开关（140）被致动时，线路挂机时将电话线摘机并且当线路断开时使电话线挂机 -钩。当电话线摘机并且启动保持开关（164）时，当线路不处于保持状态时，保持条件被放置在电话线上，并且当线路保持时被去除。当在第一电话线上建立电话并且启动会议交换机（160）时，第二电话线被摘机并建立电话会议连接。保持进行会议呼叫的常规传统方法，其包括保持开关（164）和电话线路交换机（140,142）的启动。

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