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1. 发明授权

US08190784B1 In-band transport mechanism for carrying communications among functional components of a storage I/O interface stack 有权
标题翻译：用于在存储I / O接口堆栈的功能组件之间进行通信的带内传输机制
公开(公告)号：US08190784B1
公开(公告)日：2012-05-29
申请号：US13076056
申请日：2011-03-30
申请人： Helen S. Raizen , Michael E. Bappe , Edith Epstein , Atul Kabra , Cesareo Contreras , Xunce Zhou
发明人： Helen S. Raizen , Michael E. Bappe , Edith Epstein , Atul Kabra , Cesareo Contreras , Xunce Zhou
IPC分类号： G06F3/00 , G06F13/42 , G06F13/14
CPC分类号： G06F3/0604 , G06F3/0659 , G06F3/067 , G06F21/6227
摘要： An in-band protocol transport carries command-response protocol communications between first and second functional components of a storage input/output (I/O) interface stack, for example to control encryption-related processing of storage I/O commands. A storage read command used as a protocol transport message has protocol data in a read data buffer, and predetermined read address information, such as a prime-numbered starting block address and a small, odd-valued length value, unlikely to occur in normal (non-transport) storage read commands. The second functional component determines that the storage read command contains the predetermined read address information, indicating that the storage read command is a protocol transport message rather than a normal read. For greater confidence, it also determines that the protocol data in the read data buffer includes protocol identification data such as a protocol signature. The protocol data is used to control a processing action for subsequent normal storage I/O commands, such as encryption-related processing, and a protocol response is returned by creating and storing response data in the read data buffer and signaling completion of the storage read command to the first functional component.
摘要翻译：带内协议传输在存储输入/输出（I / O）接口堆栈的第一和第二功能组件之间传送命令响应协议通信，例如用于控制存储I / O命令的加密相关处理。用作协议传输消息的存储读取命令在读取数据缓冲器中具有协议数据，并且预定的读取地址信息，例如初始块地址和小的奇数值，可能不会发生在正常（非传输）存储读取命令。第二功能部件确定存储读取命令包含指定存储读取命令是协议传输消息而不是正常读取的预定读取地址信息。为了更有信心，它还确定读取数据缓冲器中的协议数据包括诸如协议签名的协议标识数据。协议数据用于控制随后的正常存储I / O命令的处理动作，例如加密相关处理，并且通过在读取数据缓冲器中创建并存储响应数据并返回信号完成存储读取而返回协议响应命令到第一个功能组件。

2. 发明授权

US08826041B1 In-band detection mechanism for detecting intermediate layer in a storage I/O driver stack 有权
标题翻译：用于检测存储I / O驱动器堆栈中的中间层的带内检测机制
公开(公告)号：US08826041B1
公开(公告)日：2014-09-02
申请号：US13076010
申请日：2011-03-30
申请人： Cesareo Contreras , Atul Kabra , Michael E. Bappe , Edith Epstein , Helen S. Raizen
发明人： Cesareo Contreras , Atul Kabra , Michael E. Bappe , Edith Epstein , Helen S. Raizen
IPC分类号： G06F21/00 , G06F21/78 , H04L9/32 , G06F21/70
CPC分类号： G06F21/70 , G06F21/78 , G06F2221/2107 , H04L9/083 , H04L9/0894 , H04L9/3247 , H04L9/3271
摘要： A system shares encryption-related metadata between layers of a storage I/O stack. Additionally, a detection mechanism ensures that certain layers within the storage I/O stack are present and cooperate with a particular protocol. Along these lines, functional components engage in an in-band communications protocol, such as a data encryption key (DEK) management protocol. The in-band communications protocol employs protocol commands and responses carried along the data path as contents of in-band transport messages and responses, such as special SCSI read commands and their responses. The protocol commands and responses include a handshake command and a handshake response used during an initial handshake operation. Each protocol command and response has a protocol signature field carrying one of distinct first and second signature values which are used to identify the presence of the protocol command or response in the transport messages and responses at different locations along the data path.
摘要翻译：系统在存储I / O堆栈的层之间共享与加密相关的元数据。此外，检测机制确保存储I / O堆栈内的某些层存在并且与特定协议配合。沿着这些方式，功能组件参与诸如数据加密密钥（DEK）管理协议的带内通信协议。带内通信协议采用沿着数据路径携带的协议命令和响应作为带内传输消息和响应的内容，例如特殊的SCSI读取命令及其响应。协议命令和响应包括在初始握手操作期间使用的握手命令和握手响应。每个协议命令和响应具有携带不同的第一和第二签名值之一的协议签名字段，其用于识别在沿着数据路径的不同位置的传输消息和响应中的协议命令或响应的存在。

3. 发明授权

US09787522B1 Data processing system having failover between hardware and software encryption of storage data 有权
公开(公告)号：US09787522B1
公开(公告)日：2017-10-10
申请号：US13172172
申请日：2011-06-29
申请人： Cesareo Contreras , Atul Kabra , Michael E. Bappe , Edith Epstein , Helen S. Raizen , Alexander Elpaev
发明人： Cesareo Contreras , Atul Kabra , Michael E. Bappe , Edith Epstein , Helen S. Raizen , Alexander Elpaev
IPC分类号： H04L29/00 , H04L29/08 , H04L29/06
CPC分类号： H04L29/067 , H04L29/08549 , H04L45/24 , H04L63/0485 , H04L67/1097 , H04L69/14
摘要： A computer of a data processing system includes a software encryption engine and path circuitry that initially provides one or more paths for conveying data of storage I/O requests to and from a storage device, the paths including an encrypting path having a hardware encrypting component. According to a failover technique, in a first operating state, (a) the data of the storage I/O requests is conveyed via the encrypting path with encryption and decryption of the data being performed by the hardware encrypting component, and (b) monitoring is performed for occurrence of an event indicating that the hardware encrypting component has become unavailable for encrypting and decrypting the data of the storage I/O requests. Upon occurrence of the event, if the path circuitry provides a non-encrypting path for conveying the data of the storage I/O requests to and from the storage device, then operation is switched to a second operating state in which the data of the storage I/O requests is conveyed via the non-encrypting path and is encrypted and decrypted by the software encryption engine. A failback technique provides for reverting to hardware-assisted encryption under proper circumstances.

4. 发明申请

US20120246345A1 TECHNIQUES FOR INDICATING A PASSIVE STATE FOR A DEVICE 有权
标题翻译：用于指示设备被动状态的技术
公开(公告)号：US20120246345A1
公开(公告)日：2012-09-27
申请号：US13493394
申请日：2012-06-11
申请人： Cesareo Contreras , Helen S. Raizen , Michael E. Bappe , Ian Wigmore , Arieh Don , Xunce Zhou
发明人： Cesareo Contreras , Helen S. Raizen , Michael E. Bappe , Ian Wigmore , Arieh Don , Xunce Zhou
IPC分类号： G06F3/00
CPC分类号： G06F3/0605 , G06F3/0635 , G06F3/0653 , G06F3/067
摘要： Described are techniques for indicating a state associated with a device. A request is received over a path for information about a device. A response to the request is sent. The response indicates a state regarding the device on the path. The response has a response status of good and a payload of a varying size. The payload is truncated at a location prior to that at which a device identifier for the device is expected. In accordance with the response, a state regarding the device on the path is determined.
摘要翻译：描述了用于指示与设备相关联的状态的技术。通过路径收到有关设备信息的请求。发送对请求的响应。响应指示路径上的设备的状态。响应具有良好的响应状态和不同大小的有效载荷。有效载荷被截断在该设备的设备标识符之前的位置。根据响应，确定关于路径上的设备的状态。

5. 发明授权

US08412858B2 Techniques for indicating a passive state for a device 有权
标题翻译：指示设备被动状态的技术
公开(公告)号：US08412858B2
公开(公告)日：2013-04-02
申请号：US13493394
申请日：2012-06-11
申请人： Cesareo Contreras , Helen S. Raizen , Michael E. Bappe , Ian Wigmore , Arieh Don , Xunce Zhou
发明人： Cesareo Contreras , Helen S. Raizen , Michael E. Bappe , Ian Wigmore , Arieh Don , Xunce Zhou
IPC分类号： G06F3/00 , G06F13/00
CPC分类号： G06F3/0605 , G06F3/0635 , G06F3/0653 , G06F3/067
摘要： Described are techniques for indicating a state associated with a device. A request is received over a path for information about a device. A response to the request is sent. The response indicates a state regarding the device on the path. The response has a response status of good and a payload of a varying size. The payload is truncated at a location prior to that at which a device identifier for the device is expected. In accordance with the response, a state regarding the device on the path is determined.
摘要翻译：描述了用于指示与设备相关联的状态的技术。通过路径收到有关设备信息的请求。发送对请求的响应。响应指示路径上的设备的状态。响应具有良好的响应状态和不同大小的有效载荷。有效载荷被截断在该设备的设备标识符之前的位置。根据响应，确定关于路径上的设备的状态。

6. 发明授权

US08316161B1 Techniques for indicating a passive path state for a device 有权
标题翻译：指示设备的被动路径状态的技术
公开(公告)号：US08316161B1
公开(公告)日：2012-11-20
申请号：US12924572
申请日：2010-09-30
申请人： Cesareo Contreras , Helen S. Raizen , Michael E. Bappe , Ian Wigmore , Arich Don , Xunce Zhou
发明人： Cesareo Contreras , Helen S. Raizen , Michael E. Bappe , Ian Wigmore , Arich Don , Xunce Zhou
IPC分类号： G06F3/00 , G06F13/00
CPC分类号： G06F3/0605 , G06F3/0635 , G06F3/0653 , G06F3/067
摘要： Described are techniques for indicating a state associated with a device. A request is received over a path for information about a device. A response to the request is sent. The response indicates a state regarding the device on the path. The response has a response status of good and a payload of a varying size. The payload is truncated at a location prior to that at which a device identifier for the device is expected. In accordance with the response, a state regarding the device on the path is determined.
摘要翻译：描述了用于指示与设备相关联的状态的技术。通过路径收到有关设备信息的请求。发送对请求的响应。响应指示路径上的设备的状态。响应具有良好的响应状态和不同大小的有效载荷。有效载荷被截断在该设备的设备标识符之前的位置。根据响应，确定关于路径上的设备的状态。

7. 发明授权

US08775861B1 Non-disruptive storage device migration in failover cluster environment 有权
标题翻译：故障转移群集环境中的无中断存储设备迁移
公开(公告)号：US08775861B1
公开(公告)日：2014-07-08
申请号：US13535740
申请日：2012-06-28
申请人： Helen S. Raizen , Cesareo Contreras , Michael E. Bappe , Edward L. Thigpen
发明人： Helen S. Raizen , Cesareo Contreras , Michael E. Bappe , Edward L. Thigpen
IPC分类号： G06F11/00
CPC分类号： G06F11/1662 , G06F3/0647 , G06F11/2028 , G06F11/2094
摘要： A method of performing data migration from a source storage device to a target storage device in a failover cluster includes use of a roll-forward flag to signal successful completion of a migration operation from a migration node to failover nodes of the cluster, reliably controlling host access to the target storage device to ensure that it is used only when it has been successfully synchronized to the source storage device and a commit operation has occurred that ensures that subsequent read and write operations are directed exclusively to the target storage device.
摘要翻译：执行从源存储设备到故障转移群集中的目标存储设备的数据迁移的方法包括使用前滚标志来表示从迁移节点到群集的故障切换节点的迁移操作的成功完成，可靠地控制主机访问目标存储设备，以确保仅当它已经成功地同步到源存储设备并且已经发生提交操作时才使用它，以确保后续的读取和写入操作仅被定向到目标存储设备。

8. 发明授权

US09229656B1 Managing settings and queries in host-based data migration 有权
标题翻译：在基于主机的数据迁移中管理设置和查询
公开(公告)号：US09229656B1
公开(公告)日：2016-01-05
申请号：US13535851
申请日：2012-06-28
申请人： Cesareo Contreras , Helen Raizen , Michael E. Bappe , Xunce Zhou
发明人： Cesareo Contreras , Helen Raizen , Michael E. Bappe , Xunce Zhou
IPC分类号： G06F13/14 , G06F3/06
CPC分类号： G06F3/067 , G06F3/0604 , G06F3/0647 , G06F3/0659
摘要： An improved technique migrating data from a source LUN (logical unit) to a target LUN manages control I/O's in a manner that depends on the current state of data migration and on whether the control I/O's specify that reservation information for a LUN is to be set or queried. Control I/O's specifying reservation settings during the different states of migration are treated the same way as data WRITEs during those respective states, and control I/O's specifying reservation queries during different migration states are treated the same way as data READs during those respective states.
摘要翻译：将数据从源LUN（逻辑单元）迁移到目标LUN的改进技术以取决于当前数据迁移状态的方式管理控制I / O以及控制I / O是否指定LUN的预留信息被设置或查询。在不同迁移状态期间，控制I / O指定预留设置的处理方法与在这些状态期间的数据写入相同，并且在不同的迁移状态期间控制I / O指定预约查询的处理方法与在各个状态期间的数据读取相同。

9. 发明授权

US08751828B1 Sharing encryption-related metadata between multiple layers in a storage I/O stack 有权
标题翻译：在存储I / O堆栈中的多个层之间共享加密相关元数据
公开(公告)号：US08751828B1
公开(公告)日：2014-06-10
申请号：US12977789
申请日：2010-12-23
申请人： Helen Raizen , Michael Emerald Bappe , Edith Epstein , Atul Kabra , Cesareo Contreras , Assaf Natanzon , Harold Martin Sandstrom
发明人： Helen Raizen , Michael Emerald Bappe , Edith Epstein , Atul Kabra , Cesareo Contreras , Assaf Natanzon , Harold Martin Sandstrom
IPC分类号： G06F12/14
CPC分类号： H04L9/08 , G06F21/6218
摘要： A host in an encrypted data storage system sends encryption metadata associated with an encrypted logical volume (LV) from a key controller module to an encryption endpoint via a storage I/O stack. The encryption metadata identifies an encryption key and encrypted regions of the LV, and the sending results in establishment of one or more shared associations between the key controller module and the encryption endpoint which associates the encrypted LV with the encryption metadata for the encrypted LV. A data storage operation is performed on the encrypted LV by sending a data storage command from the key controller module to an encrypted region of the encryption endpoint via the storage I/O stack. The encryption endpoint uses the encryption metadata associated with the encrypted LV to cryptographically process data of the data storage operation.
摘要翻译：加密数据存储系统中的主机经由存储I / O堆栈将与加密的逻辑卷（LV）相关联的加密元数据从密钥控制器模块发送到加密端点。加密元数据识别LV的加密密钥和加密区域，并且发送结果建立密钥控制器模块和加密端点之间的一个或多个共享关联，其将加密的LV与加密的LV的加密元数据相关联。通过经由存储I / O堆栈将数据存储命令从密钥控制器模块发送到加密端点的加密区域，对加密的LV进行数据存储操作。加密端点使用与加密的LV相关联的加密元数据来密码地处理数据存储操作的数据。

10. 发明授权

US07315914B1 Systems and methods for managing virtualized logical units using vendor specific storage array commands 有权
标题翻译：使用供应商特定的存储阵列命令管理虚拟化逻辑单元的系统和方法
公开(公告)号：US07315914B1
公开(公告)日：2008-01-01
申请号：US11476887
申请日：2006-06-29
申请人： Prakash Venkatanarayanan , Harold M. Sandstrom , Cesareo Contreras , Cynthia J. Burns , Matthew D. Waxman
发明人： Prakash Venkatanarayanan , Harold M. Sandstrom , Cesareo Contreras , Cynthia J. Burns , Matthew D. Waxman
IPC分类号： G06F13/16
CPC分类号： G06F3/0665 , G06F3/0605 , G06F3/0659 , G06F3/067 , H04L67/1097
摘要： Systems and methods are provided for executing a vendor specific command in a storage area network including a plurality of data storage volumes and at least one host. In one embodiment, a system includes an intelligent multi-protocol switch (IMPS) and a storage and switch controller that is coupled to the IMPS. The IMPS receives a command from the at least one host. The command includes a command byte field storing a vendor specific service action. The storage and switch controller receives the command from the IMPS. A processor included in the storage and switch controller interprets the vendor specific service action and executes the command.
摘要翻译：提供了用于在包括多个数据存储卷和至少一个主机的存储区域网络中执行供应商特定命令的系统和方法。在一个实施例中，系统包括智能多协议交换机（IMPS）以及耦合到IMPS的存储和交换机控制器。 IMPS从至少一个主机接收命令。该命令包括存储供应商特定服务动作的命令字节字段。存储和开关控制器从IMPS接收命令。包含在存储和交换机控制器中的处理器解释供应商特定的服务动作并执行命令。

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