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1. 发明申请

US20050132252A1 Method, system, and program for synchronizing subtasks using sequence numbers 失效
标题翻译：使用序列号同步子任务的方法，系统和程序
公开(公告)号：US20050132252A1
公开(公告)日：2005-06-16
申请号：US10721018
申请日：2003-11-20
申请人： Nicholas Fifer , Frederick Carberry , William Travis , Alex Chen , Theodore Harris
发明人： Nicholas Fifer , Frederick Carberry , William Travis , Alex Chen , Theodore Harris
IPC分类号： G06F11/00
CPC分类号： G06F11/2064 , G06F11/2074
摘要： Provided is a method, system and program for synchronizing sequential subtasks of a task, so that the subtasks can be dispatched to generate operations in a particular sequence. In one embodiment, a subtask which has been prepared for dispatching is queued in a queue until the queued subtask is the next subtask in sequence for dispatching. In one embodiment, the subtasks may be sorted in the queue by task and by subtask sequence.
摘要翻译：提供了用于同步任务的顺序子任务的方法，系统和程序，使得可以调度子任务以生成特定序列中的操作。在一个实施例中，已经准备好用于调度的子任务在队列中排队，直到排队的子任务是按顺序排列的下一个子任务。在一个实施例中，子任务可以通过任务和子任务序列在队列中排序。

2. 发明申请

US20050114740A1 Concurrent PPRC/FCP and host access to secondary PPRC/FCP device through independent error management 失效
标题翻译：并发PPRC / FCP，并通过独立的错误管理主机访问次级PPRC / FCP设备
公开(公告)号：US20050114740A1
公开(公告)日：2005-05-26
申请号：US10719388
申请日：2003-11-20
申请人： Frederick Carberry , Rufus Twito , James Chen , Richard Schaeffer , Kaukab Uddin
发明人： Frederick Carberry , Rufus Twito , James Chen , Richard Schaeffer , Kaukab Uddin
IPC分类号： G06F3/06 , G06F11/00 , H04L29/06
CPC分类号： G06F3/065 , G06F3/0617 , G06F3/067
摘要： A method of error management in a data storage system having a target device, with the target device receiving commands from a first initiator and the target device concurrently receiving commands from a second initiator. The target device is typically a storage device operating as a PPRC secondary. A first initiator is a device which communicates with the target device through small computer systems interface (SCSI) protocol. The first initiator is typically a host computer or server. The second initiator communicates with the target device through peer-to-peer remote copy PPRC initiator mode commands. The second initiator is typically a separate storage device in a peer-to-peer remote copy (PPRC) relationship with the target device. The method consists of managing errors associated with a command sent to the target device from the first initiator independently from the management of errors associated with a command sent to the target device from the second initiator.
摘要翻译：一种具有目标设备的数据存储系统中的错误管理方法，其中目标设备从第一启动器接收命令，并且目标设备同时从第二启动器接收命令。目标设备通常是作为PPRC辅助设备运行的存储设备。第一启动器是通过小型计算机系统接口（SCSI）协议与目标设备通信的设备。第一个启动器通常是主机或服务器。第二个启动器通过对等远程复制PPRC启动器模式命令与目标设备进行通信。第二个启动器通常是与目标设备的对等远程复制（PPRC）关系中的单独的存储设备。该方法包括管理与从第一启动器发送到目标设备的命令相关联的错误，独立于从与第二启动器发送到目标设备的命令相关联的错误的管理。

3. 发明申请

US20050138489A1 Method, system, and article of manufacture for the detection of misdirected data 失效
标题翻译：用于检测误导数据的方法，系统和制造
公开(公告)号：US20050138489A1
公开(公告)日：2005-06-23
申请号：US10719440
申请日：2003-11-20
申请人： Michael Benhase , James Chen , Patricia Lu , Frederick Carberry
发明人： Michael Benhase , James Chen , Patricia Lu , Frederick Carberry
IPC分类号： G06F3/06 , G06F17/21 , H04L29/06 , H04L29/08 , G06F11/00
CPC分类号： H04L67/1097 , G06F3/0619 , G06F3/0659 , G06F3/067
摘要： Provided are a method, system and article of manufacture, wherein in certain embodiments an I/O command from a host is received at a first storage unit. An identifier is generated that identifies a destination to which the I/O command is to be transmitted from the first storage unit. The I/O command is augmented with the generated identifier at the first storage unit. The augmented I/O command is transmitted. In certain other embodiments, an I/O command is received at a storage unit, wherein the storage unit is associated with a storage unit identifier. A determination is made at the storage unit, whether the I/O command is associated with an identifier that identifies a destination for which the I/O command is intended. A further determination is made, at the storage unit, whether the identifier is the same as the storage unit identifier, in response to determining that the identifier associated with the I/O command identifies the destination for which the I/O command is intended.
摘要翻译：提供了一种方法，系统和制造品，其中在某些实施例中，来自主机的I / O命令在第一存储单元处被接收。生成识别从第一存储单元发送I / O命令的目的地的标识符。 I / O命令在第一个存储单元处增加了生成的标识符。增加的I / O命令被传输。在某些其他实施例中，在存储单元处接收I / O命令，其中存储单元与存储单元标识符相关联。在存储单元中确定I / O命令是否与识别I / O命令所针对的目的地的标识符相关联。响应于确定与I / O命令相关联的标识符识别I / O命令的目的地，在存储单元处进一步确定标识符是否与存储单元标识符相同。

4. 发明申请

US20050114562A1 Method, system, and program for throttling data transfer 有权
标题翻译：用于限制数据传输的方法，系统和程序
公开(公告)号：US20050114562A1
公开(公告)日：2005-05-26
申请号：US10719129
申请日：2003-11-20
申请人： Jeffery Barnes , Brian Corcoran , James Chen , Minh-Ngoc Huynh , Frederick Carberry
发明人： Jeffery Barnes , Brian Corcoran , James Chen , Minh-Ngoc Huynh , Frederick Carberry
IPC分类号： G06F11/20 , G06F13/00
CPC分类号： G06F11/1076 , G06F11/2069 , G06F11/2071 , G06F11/2079 , G06F11/3485 , G06F11/349 , G06F2201/81
摘要： Disclosed is a technique for throttling data transfer. An amount of resources that are in use is determined. When the amount of resources reaches a high threshold, one or more primary control units are notified to temporarily stop sending data. When the amount of resources reaches a low threshold, each previously notified primary control unit is notified to resume sending data.
摘要翻译：公开了一种用于节流数据传输的技术。确定正在使用的资源量。当资源量达到高阈值时，通知一个或多个主控单元暂时停止发送数据。当资源量达到低阈值时，通知每个先前通知的主控制单元恢复发送数据。

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