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1. 发明申请

US20100088481A1 WRITE CAPTURE FOR FIBRE CHANNEL FABRIC SNAPSHOT SERVICE 有权
标题翻译：用于光纤通道织物快速服务的写入
公开(公告)号：US20100088481A1
公开(公告)日：2010-04-08
申请号：US12576039
申请日：2009-10-08
申请人： BALAKUMAR N. KAUSHIK , SHANKAR BALASUBRAMANIAN , RICHARD L. HAMMONS
发明人： BALAKUMAR N. KAUSHIK , SHANKAR BALASUBRAMANIAN , RICHARD L. HAMMONS
IPC分类号： G06F12/16 , G06F12/00
CPC分类号： G06F11/1464 , G06F11/1466 , G06F2201/84 , H04L49/357 , H04L67/1097 , Y10S707/99953 , Y10S707/99955
摘要： The snapshot capability moving into the SAN fabric and being provided as a snapshot service. A well-known address is utilized to receive snapshot commands. Each switch in the fabric connected to a host contains a front end or service interface to receive the snapshot command. Each switch of the fabric connected to a storage device used in the snapshot process contains a write interceptor module which cooperates with hardware in the switch to capture any write operations which would occur to the snapshot data area. The write interceptor then holds these particular write operations until the original blocks are transferred to a snapshot or separate area so that the original read data is maintained. Should a read operation occur to the snapshot device and the original data from requested location has been relocated, a snapshot server captures these commands and redirects the read operation to occur from the snapshot area. If, however, the read operation is directed to the original drive, the read is provided from the original data areas, even if the data had been replaced. The snapshot server determines the existence of particular snapshot devices, allocates their storage locations, provides this information to both the service interfaces and the write interceptors and handles read and write operations to the snapshot device.
摘要翻译：快照功能进入SAN架构，并作为快照服务提供。利用着名的地址接收快照命令。连接到主机的每个交换机都包含一个前端或服务接口来接收快照命令。连接到快照过程中使用的存储设备的结构的每个交换机都包含一个写入拦截器模块，该模块与交换机中的硬件配合，以捕获快照数据区域将发生的任何写入操作。写拦截器然后保存这些特定的写入操作，直到原始块被传送到快照或分离区域，以便保持原始读取数据。如果快照设备发生读取操作，并且重新定位了来自请求位置的原始数据，则快照服务器捕获这些命令并重定向从快照区域发生的读取操作。但是，如果读取操作指向原始驱动器，则即使已更换数据，也会从原始数据区域提供读取。快照服务器确定特定快照设备的存在，分配其存储位置，将此信息提供给服务接口和写截取器，并处理对快照设备的读写操作。

2. 发明申请

US20100232450A1 METHOD AND APPARATUS FOR PROVIDING VIRTUAL PORTS WITH ATTACHED VIRTUAL DEVICES IN A STORAGE AREA NETWORK 有权
标题翻译：用于在存储区域网络中连接虚拟设备提供虚拟端口的方法和装置
公开(公告)号：US20100232450A1
公开(公告)日：2010-09-16
申请号：US12556371
申请日：2009-09-09
申请人： NAVEEN S. MAVELI , SUBHOJIT ROY , RICHARD L. HAMMONS , CARLOS ALONSO
发明人： NAVEEN S. MAVELI , SUBHOJIT ROY , RICHARD L. HAMMONS , CARLOS ALONSO
IPC分类号： H04L12/56
CPC分类号： H04L12/4641
摘要： Systems particularly a virtualization switch or a storage device, which include virtual ports connected to virtual devices with virtual worldwide names and virtual LUNs. Because Fibre Channel environment hosts can track worldwide names from one port to another and allow continuity in that regard, the virtual worldwide names are provided with relevant virtual LUNs and connected these to virtual ports so that the virtual devices can be moved as desired to overcome failures or to allow load balancing.
摘要翻译：系统特别是虚拟化交换机或存储设备，其中包括虚拟端口连接到具有虚拟全球名称和虚拟LUN的虚拟设备。由于光纤通道环境主机可以跟踪世界各地的名称从一个端口到另一个端口，并允许在这方面的连续性，虚拟全球名称提供有相关的虚拟LUN并将其连接到虚拟端口，以便可以根据需要移动虚拟设备以克服故障或允许负载平衡。

3. 发明申请

US20090282116A1 METHOD AND DEVICE FOR MANAGING CLUSTER MEMBERSHIP BY USE OF STORAGE AREA NETWORK FABRIC 有权
标题翻译：通过使用存储区域网络织物管理集群成员的方法和设备
公开(公告)号：US20090282116A1
公开(公告)日：2009-11-12
申请号：US12400085
申请日：2009-03-09
申请人： RICHARD L. HAMMONS , Carlos Alonso
发明人： RICHARD L. HAMMONS , Carlos Alonso
IPC分类号： G06F15/16
CPC分类号： H04L67/1097 , H04L67/1002 , H04L69/329
摘要： Managing cluster membership and providing and managing locks in the switches forming the interconnecting network. To manage the cluster membership, a zone is created, with indicated members existing in the zone and the zone being managed by the switches. The nodes communicate their membership events, such as alive messages, using an API to work with the switch to which they are attached. The desired membership algorithm is executed by the switches, preferably in a distributed manner. Each switch then enforces the membership policies, including preventing operations from evicted nodes. This greatly simplifies the programs used on the nodes and unburdens them from many time consuming tasks, thus providing improved cluster performance. In a like manner, the switches in the fabric manage the resource locks. The nodes send their lock requests, such as creation and ownership requests, to the switch to which they are connected using an API. The switches then perform the desired lock operation and provide a response to the requesting node. Again, this greatly simplifies the programs used on the nodes and unburdens them from many time consuming activities, providing improved cluster performance.
摘要翻译：管理集群成员资格，并在形成互连网络的交换机中提供和管理锁。要管理集群成员身份，将创建一个区域，指定成员存在于区域中，区域由交换机管理。节点使用API与其所附加的交换机通信其成员事件（如活动消息）。期望的隶属算法由交换机执行，优选以分布式方式执行。然后每个交换机强制执行成员资格策略，包括防止逐出的节点的操作。这大大简化了节点上使用的程序，并从许多耗时的任务中减轻了它们的负担，从而提高了集群的性能。以同样的方式，Fabric中的交换机管理资源锁。节点使用API将他们的锁定请求（如创建和所有权请求）发送到与它们连接的交换机。交换机然后执行所需的锁定操作并且向请求节点提供响应。同样，这极大地简化了节点上使用的程序，并减轻了它们从许多耗时的活动中的负担，从而提高了集群性能。

4. 发明申请

US20090274162A1 PORT EXPANDER FOR FIBRE CHANNEL FABRICS IN STORAGE AREA NETWORKS 有权
标题翻译：存储区网络中光纤通道的端口扩展器
公开(公告)号：US20090274162A1
公开(公告)日：2009-11-05
申请号：US12500441
申请日：2009-07-09
申请人： MANJUNATH A. GOPAL GOWDA , RICHARD L. HAMMONS
发明人： MANJUNATH A. GOPAL GOWDA , RICHARD L. HAMMONS
IPC分类号： H04L12/56 , G06F21/20
CPC分类号： H04L49/45 , H04L45/12 , H04L49/357 , H04L49/552
摘要： An port expander Fibre Channel switch presents F_ports to form a first Fibre Channel fabric and N_ports to a second Fibre Channel fabric to appear as node devices. The port expander may be used to connect a plurality of blade servers to a Fibre Channel fabric. Fabric events engendered by the insertion or removal of hot-pluggable devices are handled by the port expander and “event storms” on the Fibre Channel fabric are avoided. The port expander presents the blade servers to the FC fabric as a virtualized N_port.
摘要翻译：端口扩展器光纤通道交换机提供F_ports以形成第一个光纤通道结构，并将N_ports作为第二个光纤通道结构显示为节点设备。端口扩展器可以用于将多个刀片服务器连接到光纤通道结构。插入或移除热插拔设备引起的布局事件由端口扩展器处理，避免了光纤通道结构上的“事件风暴”。端口扩展器将刀片服务器作为虚拟化N_port提供给FC结构。

5. 发明申请

US20090313415A1 METHOD AND APPARATUS FOR FRAME REDIRECTION IN A STORAGE AREA NETWORK ENVIRONMENT 有权
标题翻译：存储区域网络环境中的帧重定向的方法和装置
公开(公告)号：US20090313415A1
公开(公告)日：2009-12-17
申请号：US12140898
申请日：2008-06-17
申请人： AMR SABAA , BAO VU , TARAK PEREKH , LUCY YAN , QINGYUAN MA , KETAN SHAH , RICHARD L. HAMMONS
发明人： AMR SABAA , BAO VU , TARAK PEREKH , LUCY YAN , QINGYUAN MA , KETAN SHAH , RICHARD L. HAMMONS
IPC分类号： G06F12/08
CPC分类号： H04L67/1097 , G06F3/067 , H04L45/00 , H04L67/2814
摘要： Embodiments according to the invention relate to frame redirection, which includes methods to intercept and re-route traffic between an initiator and a target. When a frame is redirected, an initiator issues a frame to the target, but the frame is received by a virtual target in a redirection switch by allowing the redirection switch to use the WWN of the actual target. From the perspective of the initiator, the target resides on the redirection switch. From the redirection switch, the frame is sent to the actual target by allowing the redirection switch to use the identity of the initiator. In other words, the redirection switch presents the WWN of the initiator to the target when the redirected frame is sent to the target. From the perspective of the target, the frame is received as if it originated at the initiator.
摘要翻译：根据本发明的实施例涉及帧重定向，其包括在发起者和目标之间拦截和重新路由业务的方法。当帧被重定向时，发起者向目标发出帧，但是通过允许重定向切换使用实际目标的WWN，该帧由重定向交换机中的虚拟目标接收。从发起者的角度来看，目标驻留在重定向开关上。从重定向开关，通过允许重定向开关使用启动器的标识，将帧发送到实际目标。换句话说，当将重定向的帧发送到目标时，重定向开关将发起者的WWN呈现给目标。从目标的角度来看，帧被接收，就好像它起始于发起者一样。

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