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1. 发明申请

US20070136552A1 Assigning alias addresses to base addresses 有权
标题翻译：为基地址分配别名地址
公开(公告)号：US20070136552A1
公开(公告)日：2007-06-14
申请号：US11299089
申请日：2005-12-08
申请人： Harry Yudenfriend , Matthew Kalos , Richard Ripberger , Kenneth Trowell , Dale Riedy , Juan Coronado
发明人： Harry Yudenfriend , Matthew Kalos , Richard Ripberger , Kenneth Trowell , Dale Riedy , Juan Coronado
IPC分类号： G06F12/00
CPC分类号： G06F3/0662 , G06F3/0617 , G06F3/0683
摘要： Provided are a method, system, and article of manufacture for assigning alias addresses to base addresses. An assignment is provided of base addresses to the devices, wherein the base addresses are used to access the devices assigned to the base addresses. An assignment is provided of a plurality of alias addresses to an alias address pool. The alias addresses in the alias address pool are capable of being dynamically assigned to the devices to service I/O requests to the devices. An Input/Output (I/O) request to access one target device comprising one of the devices is processed. A determination is made as to whether the base address assigned to the target device is available. One alias address is assigned to the target device in response to determining that the base address is not available. The I/O request is issued to the assigned alias address to transmit the request to the target device.
摘要翻译：提供了一种用于将别名地址分配给基地址的方法，系统和制品。向设备提供基地址的分配，其中基地址用于访问分配给基地址的设备。向别名地址池提供多个别名地址的分配。别名地址池中的别名地址能够被动态分配给设备，以便为设备提供I / O请求。处理包括其中一个设备的访问一个目标设备的输入/输出（I / O）请求。确定分配给目标设备的基地址是否可用。响应于确定基地址不可用，将一个别名地址分配给目标设备。 I / O请求被发送到指定的别名地址，以将请求发送到目标设备。

2. 发明申请

US20070076627A1 EFFICIENT ACCUMULATION OF PERFORMANCE STATISTICS IN A MULTI-PORT NETWORK 审中-公开
标题翻译：多端口网络中性能统计的有效累积
公开(公告)号：US20070076627A1
公开(公告)日：2007-04-05
申请号：US11555818
申请日：2006-11-02
申请人： Matthew Kalos , Michael Benhase , James Chen , Patricia Lu
发明人： Matthew Kalos , Michael Benhase , James Chen , Patricia Lu
IPC分类号： H04L12/66
CPC分类号： G06F11/3409 , G06F3/0605 , G06F3/0653 , G06F3/067 , G06F11/3485 , G06F2201/88
摘要： Computer networks are provided with a resource efficient ability to generate link performance statistics. To calculate the average link utilization per I/O operation, a first counter accumulates the number of I/O operations processed by a link and a second counter accumulates the time required by the link to complete each I/O operation. The second value is then divided by the first value. The number of operations per second for a link may be computed by dividing the first number by a predetermined period of time and the average number of operations using the link may be computed by dividing the second number by the predetermined period of time. A third counter may be employed to accumulate the number of bytes transferred by a link during each I/O operation. Then, average size of an I/O operation may be computed by dividing the third number by the first number and the average bandwidth per link operation may be computed by dividing the third number by the predetermined period of time. Separate sets of counters are preferably associated with each of several link types associated with a single port, thereby allowing separate statistics to be generated for each link type. The generated statistics are useful for such activities as problem resolution, load balancing and capacity planning.
摘要翻译：计算机网络具有生成链路性能统计资源的资源有效能力。为了计算每个I / O操作的平均链路利用率，第一计数器累加由链路处理的I / O操作的数量，并且第二计数器累加链接完成每个I / O操作所需的时间。然后将第二个值除以第一个值。可以通过将第一个数除以预定时间段来计算每秒链接的操作次数，并且可以通过将第二个数除以预定时间段来计算使用该链接的平均操作次数。可以使用第三计数器来累积每个I / O操作期间由链路传送的字节数。然后，可以通过将第三个数除以第一个数字来计算I / O操作的平均大小，并且可以通过将第三个数除以预定时间段来计算每个链接操作的平均带宽。单独的计数器组优选地与与单个端口相关联的几个链路类型中的每一个相关联，从而允许针对每个链路类型生成单独的统计信息。生成的统计信息对于解决问题，负载平衡和容量规划等活动非常有用。

3. 发明申请

US20060277310A1 Apparatus, system, and method for accessing a preferred path through a storage controller 有权
标题翻译：用于通过存储控制器访问优选路径的装置，系统和方法
公开(公告)号：US20060277310A1
公开(公告)日：2006-12-07
申请号：US11142018
申请日：2005-06-01
申请人： Matthew Kalos , Richard Ripberger , Harry Yudenfriend
发明人： Matthew Kalos , Richard Ripberger , Harry Yudenfriend
IPC分类号： G06F15/173 , G06F15/16
CPC分类号： H04L67/1097 , G06F11/2007 , G06F11/2089 , H04L29/08846 , H04L67/28 , H04L67/2819 , H04L67/2842
摘要： An apparatus, system, and method are disclosed for accessing a preferred path through a storage controller. A request module receives a request from a host to identify a preferred path from the host to a control unit image. A response module reports the preferred path to the host. A connection module connects the host through the preferred path to the control unit image. In one embodiment, a detection module detects a failure of a first interconnection module comprising the preferred path. The connection module may re-connect the host to the control unit image through a non-preferred path comprising a second interconnection module in response to the failure of the first interconnection module.
摘要翻译：公开了一种用于访问通过存储控制器的优选路径的装置，系统和方法。请求模块从主机接收请求以识别从主机到控制单元图像的优选路径。响应模块报告主机的首选路径。连接模块通过首选路径将主机连接到控制单元图像。在一个实施例中，检测模块检测包括优选路径的第一互连模块的故障。响应于第一互连模块的故障，连接模块可以通过包括第二互连模块的非优选路径将主机重新连接到控制单元图像。

4. 发明申请

US20060242156A1 Communication path management system 审中-公开
标题翻译：通信路径管理系统
公开(公告)号：US20060242156A1
公开(公告)日：2006-10-26
申请号：US11110553
申请日：2005-04-20
申请人： Thomas Bish , Joseph Hyde , Matthew Kalos , Richard Ripberger , John Staubi , Kenneth Trowell , Harry Yudenfriend
发明人： Thomas Bish , Joseph Hyde , Matthew Kalos , Richard Ripberger , John Staubi , Kenneth Trowell , Harry Yudenfriend
IPC分类号： G06F17/30 , G06F7/00
CPC分类号： H04L67/1097 , H04L69/14
摘要： A communication-path management system includes a path-detection component for identifying all communications paths between a host computer, through a controller, to a data storage device. Once identified, the communication paths are incorporated into a logical-path mask. The path-detection component recognizes each path as either preferred or non-preferred based on latency, bandwidth, availability, or other user-defined criteria and divides the logical-path mask into a preferred path subset and a non-preferred path subset. If a valid path exists in the preferred path subset, all communications from the host computer to the data storage device transit paths belonging to this subset. Otherwise, active control is given to the non-preferred path subset. A channel subsystem manages actual communication based on resource allocation and contention using the currently active subset.
摘要翻译：通信路径管理系统包括用于识别通过控制器的主机与数据存储设备之间的所有通信路径的路径检测组件。一旦识别，通信路径被合并到逻辑路径掩码中。路径检测组件基于延迟，带宽，可用性或其他用户定义的标准将每个路径识别为优选的或不优选的，并将逻辑路径掩码划分成优选的路径子集和非优选的路径子集。如果优选路径子集中存在有效的路径，则从主计算机到数据存储设备的所有通信都将传输属于此子集的路径。否则，给予非优选路径子集的主动控制。信道子系统使用当前活动的子集来管理基于资源分配和争用的实际通信。

5. 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。

6. 发明申请

US20060123273A1 Reassigning storage volumes from a failed processing system to a surviving processing system 失效
标题翻译：将存储卷从故障处理系统重新分配给尚存的处理系统
公开(公告)号：US20060123273A1
公开(公告)日：2006-06-08
申请号：US10990038
申请日：2004-11-15
申请人： Matthew Kalos , Dale Riedy , Richard Ripberger , Harry Yudenfriend
发明人： Matthew Kalos , Dale Riedy , Richard Ripberger , Harry Yudenfriend
IPC分类号： G06F11/00
CPC分类号： G06F11/2092
摘要： Provided are a method, system, and program for reassigning storage volumes from a failed processing system to a surviving processing system. A first processing system detects a failure of a second processing system. The first processing system determines device groups of storage devices managed by the failed second processing system and determines for each determined device group, hosts that connect to storage devices in the device group. The first processing system sends, for each device group, a unit check to each determined host indicating failure of each device group through one storage device in the device group to which the determined host connects. The determined hosts execute instructions to terminate any I/O operations in progress on the storage devices in the device group in response to the unit check indicating failure of one storage device in the device group and issue, a command to one storage device for the device group to end the busy condition.
摘要翻译：提供了一种用于将存储卷从故障处理系统重新分配给幸存处理系统的方法，系统和程序。第一处理系统检测第二处理系统的故障。第一处理系统确定由故障的第二处理系统管理的存储设备的设备组，并且为每个确定的设备组确定连接到设备组中的存储设备的主机。第一处理系统针对每个设备组，通过所确定的主机连接的设备组中的一个存储设备向每个确定的主机发送指示每个设备组的故障的单元检查。确定的主机响应于单元检查指示设备组中的一个存储设备的故障并发出的命令，执行指令以终止设备组中的存储设备上正在进行的任何I / O操作，命令到设备的一个存储设备组结束繁忙的状况。

7. 发明申请

US20060123157A1 Initiating and using information used for a host, control unit, and logical device connections 失效
公开(公告)号：US20060123157A1
公开(公告)日：2006-06-08
申请号：US10991770
申请日：2004-11-17
申请人： Matthew Kalos , Richard Ripberger
发明人： Matthew Kalos , Richard Ripberger
IPC分类号： G06F3/06
CPC分类号： G06F3/0644 , G06F3/0605 , G06F3/067 , Y10S707/99938
摘要： Provided are a method, system, and program for initiating and using information used for a host, control unit, and logical device connections receiving a request to create a host port to control unit port connection. In a volume group data structure, a volume group entry is defined having a plurality of pointers for the host port and control unit port pair. At least one device address is added to the volume group that is accessible to the host port and control unit port connection by initializing at least one pointer in the volume group entry to address at least one device data structure. For each of the at least one device addresses, indication is made in the at least one device data structure addressed by the at least one pointer in the volume group entry that the device address is accessible to the host port and control unit port connection.

8. 发明申请

US20060107004A1 Recovery from failure in data storage systems 失效
公开(公告)号：US20060107004A1
公开(公告)日：2006-05-18
申请号：US10991110
申请日：2004-11-16
申请人： Michael Benhase , Matthew Kalos , Karl Nielsen , Cheng-Chung Song
发明人： Michael Benhase , Matthew Kalos , Karl Nielsen , Cheng-Chung Song
IPC分类号： G06F12/16
CPC分类号： G06F11/2089
摘要： Provided are a method, system, and article of manufacture, wherein a command is received at a first computational device coupled to a first adapter that is capable of allowing access to a data storage to the first computational device. The first computational device sends the command to a second computational device. The command is processed by a second adapter coupled to the second computational device, wherein the second adapter allows the second computational device to access the data storage, and wherein the second adapter accesses memory in the first computational device to process the command. In certain embodiments, the first adapter that allows the first computational device to access the data storage has failed.

9. 发明申请

US20060106808A1 Maintaining and using nexus information on a host, port and device connection 失效
标题翻译：维护和使用主机，端口和设备连接上的连接信息
公开(公告)号：US20060106808A1
公开(公告)日：2006-05-18
申请号：US10991662
申请日：2004-11-17
申请人： Matthew Kalos , Richard Ripberger
发明人： Matthew Kalos , Richard Ripberger
IPC分类号： G06F3/00 , G06F17/30 , G06F7/00
CPC分类号： G06F13/387
摘要： Provided are a method, system, and program maintaining and using nexus information on a host, port and device connection. A login is received from a host port on a storage controller port, wherein the host port has been configured on the storage controller to access one or more devices. An entry is added to a host-storage controller ports data structure for the host port and storage controller port involved in the login. At least one pointer is initialized in the entry in the host-storage controller ports data structure to point to at least one entry in at least one intermediate data structure. One pointer is initialized in each entry in one intermediate data structure addressed by one initialized pointer in the host-storage controller ports data structure to point to a nexi data structure having a plurality of entries.
摘要翻译：提供了在主机，端口和设备连接上维护和使用线索信息的方法，系统和程序。从存储控制器端口上的主机端口接收登录，其中主机端口已经在存储控制器上配置以访问一个或多个设备。将一个条目添加到主机 - 存储控制器端口数据结构中，用于登录中涉及的主机端口和存储控制器端口。至少一个指针在主机 - 存储控制器端口数据结构中的条目中初始化，以指向至少一个中间数据结构中的至少一个条目。在一个中间数据结构中的每个条目中初始化一个指针，该中间数据结构由主机 - 存储控制器端口数据结构中的一个初始化指针寻址，以指向具有多个条目的nexi数据结构。

10. 发明申请

US20050114358A1 Decreased response time for PPRC write operation 有权
标题翻译：减少PPRC写入操作的响应时间
公开(公告)号：US20050114358A1
公开(公告)日：2005-05-26
申请号：US10719229
申请日：2003-11-20
申请人： James Chen , Minh-Ngoc Huynh , Matthew Kalos , Chung Fung
发明人： James Chen , Minh-Ngoc Huynh , Matthew Kalos , Chung Fung
IPC分类号： G06F3/06 , H04L12/56 , G06F7/00
CPC分类号： G06F3/065 , G06F3/0611 , G06F3/067 , G06F3/0689 , H04L47/10
摘要： Methods, system and computer program product are provided to improve the efficiency of data transfers in a PPRC environment. Any or all of three features may be implemented, each of which reduces the number of round trips required for the exchange of handshaking, data and control information. A first feature includes disabling the “transfer ready” acknowledgment which normally occurs between a primary storage controller and a secondary storage controller. A second feature includes pre-allocating payload and data buffers in the secondary storage controller. A third feature includes packaging write control information with a write command in an extended command descriptor block (CDB). Such a step eliminated the need for a separate transmission of the write control information. The CDB is transmitted along with a data block from the primary storage controller to the secondary storage controller and placed in the respective, pre-allocated buffers. Data may also be pipelined to the secondary. By decreasing the response time for data transfers, the distance separating the primary and secondary storage controllers may be increased.
摘要翻译：提供了方法，系统和计算机程序产品，以提高PPRC环境中数据传输的效率。可以实现三个特征中的任何一个或全部，每个特征减少交换握手，数据和控制信息所需的往返次数。第一个功能包括禁用通常在主存储控制器和辅助存储控制器之间发生的“传送就绪”确认。第二特征包括在副存储控制器中预分配有效载荷和数据缓冲器。第三个特征包括在扩展命令描述符块（CDB）中用写入命令封装写入控制信息。这样的步骤消除了对写入控制信息的单独发送的需要。 CDB与来自主存储控制器的数据块一起传送到辅助存储控制器并且被放置在相应的预先分配的缓冲器中。数据也可以流水线到次级。通过减少数据传输的响应时间，可以增加分离主存储控制器和辅助存储控制器的距离。

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