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1. 发明申请

WO2007127520A2 APPARATUS AND METHODS FOR CONTROLLING A DATA TAPPING SESSION IN A STORAGE AREA NETWORK 审中-公开
标题翻译：用于控制存储区域网络中的数据删除会话的装置和方法
公开(公告)号：WO2007127520A2
公开(公告)日：2007-11-08
申请号：PCT/US2007062035
申请日：2007-02-13
申请人： CISCO TECH INC , SHARMA SAMAR , D CRUZ ROY M , KRISHNAN JHAANAKI M , BILLORE PRASHANT , DUTT DINESH G
发明人： SHARMA SAMAR , D CRUZ ROY M , KRISHNAN JHAANAKI M , BILLORE PRASHANT , DUTT DINESH G
IPC分类号： G06F13/36
CPC分类号： G06F3/0659 , G06F3/0605 , G06F3/065 , G06F3/067 , G06F11/2069 , G06F11/2071
摘要： Disclosed is a session modification mechanism for altering a data tapping process in a storage area network (SAN). In general. a data tapping mechanism is set up so that an applicance receives SAN data that is tapped from a particular SAN session. That is, the data tapping mechanism provides to a particular appliance a copy of the SAN data that is being written from a particular host to a particular storage device. The session modification mechanism allows the appliance to alter various aspects of the SAN session that is to be (or is being) tapped. Examples of various modification features includes (i) redirecting READ commands initiated by the host to the applicance and not sending such command to the storage device, (ii) redirecting both READ and WRITE commands initiated by the host to the appliance and not sending such commands to the storage device, (iii) halting redirection and thereby causing READ commands initiated by the host to be sent to the storage device and WRITE commands initiated by the host to be mirrored to both the storage device and appliance, (iv) quiescing and unquiescing all data I/O's for the particular storage device and appliance, and (v) stopping and starting the data tapping mechanism.
摘要翻译：公开了一种用于改变存储区域网络（SAN）中的数据分接过程的会话修改机制。一般来说。建立数据分接机制，使得应用程序接收从特定SAN会话中抽取的SAN数据。也就是说，数据分接机制向特定设备提供正在从特定主机写入特定存储设备的SAN数据的副本。会话修改机制允许设备改变将要（或正在被窃取）的SAN会话的各个方面。各种修改特征的示例包括（i）将由主机发起的READ命令重定向到应用程序，并且不将该命令发送到存储设备，（ii）将由主机发起的READ和WRITE命令重定向到设备，并且不发送这样的命令（iii）停止重定向，从而使由主机发起的READ命令被发送到存储设备，由主机启动的WRITE命令被镜像到存储设备和设备，（iv）停顿和不起作用用于特定存储设备和设备的所有数据I / O，以及（v）停止和启动数据分接机制。

2. 发明申请

WO2007008735A3 APPARATUS AND METHODS FOR DATA TAPPING IN A STORAGE AREA NETWORK 审中-公开
标题翻译：用于存储区域网络中的数据提取的装置和方法
公开(公告)号：WO2007008735A3
公开(公告)日：2007-11-15
申请号：PCT/US2006026640
申请日：2006-07-06
申请人： CISCO TECH INC , SHARMA SAMAR , D CRUZ ROY M , KUMAR SANJAYA , BILLORE PRASHANT , DUTT DINESH G , EDSALL THOMAS J
发明人： SHARMA SAMAR , D CRUZ ROY M , KUMAR SANJAYA , BILLORE PRASHANT , DUTT DINESH G , EDSALL THOMAS J
IPC分类号： G06F15/16 , G06F15/167 , H04L12/28
CPC分类号： H04L67/1097 , H04L63/00 , H04L63/30
摘要： Disclosed are methods and apparatus for data tapping within a storage area network (SAN) and providing tapped data to a third party device, such as an appliance. In general, mechanisms are provided in a SAN to allow a data tap of data flowing between an initiator and a target. In one implementation, a data virtual target (DVT) (314) in created in a network device (304) to intercept data sent by a specific initiator (302) to a specific logical unit of a specific target (306). The data or a copy of the data (316) is sent to both the specific logical unit of the specific target and to an appliance. The data routing may be accomplished by use of a virtual initiator (VI) (313), which is configured to send the data (or a copy of the data) to the specific target and the appliance. In a transparent mode of operations, the DVT has a same PWWN (port world wide name) and FCID (fibre channel identifier) as the specific target. In a first proxy mode of operation, the DVT has a different PWWN and FCID than the specific target. In a second proxy mode of operation, the DVT has a same PWWN and different FCID than the specific target.
摘要翻译：公开了用于在存储区域网络（SAN）内进行数据分接并将分接数据提供给第三方设备（例如设备）的方法和设备。通常，SAN中提供了机制以允许在发起者和目标之间流动数据的数据抽头。在一个实现中，在网络设备（304）中创建的数据虚拟目标（DVT）（314）被创建以截取由特定发起者（302）发送到特定目标（306）的特定逻辑单元的数据。数据或数据的副本（316）被发送到特定目标的特定逻辑单元和设备。数据路由可以通过使用虚拟启动器（VI）（313）来完成，该虚拟启动器被配置为将数据（或数据的副本）发送到特定目标和设备。在透明操作模式下，DVT具有与特定目标相同的PWWN（端口全球名称）和FCID（光纤通道标识符）。在第一代理操作模式中，DVT具有与特定目标不同的PWWN和FCID。在第二代理操作模式中，DVT具有与特定目标相同的PWWN和不同的FCID。

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