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1. 发明授权

US06889345B2 System and method for locating a failed storage device in a data storage system 有权
标题翻译：用于在数据存储系统中定位故障存储设备的系统和方法
公开(公告)号：US06889345B2
公开(公告)日：2005-05-03
申请号：US10004374
申请日：2001-10-19
申请人： Stephen J. Sicola , Bruce Sardeson , Dennis Spicher , Bruce Roberts , Bill Pagano , Allen B. Kelton
发明人： Stephen J. Sicola , Bruce Sardeson , Dennis Spicher , Bruce Roberts , Bill Pagano , Allen B. Kelton
IPC分类号： G06F11/07 , G06F11/32 , H04L29/14 , G06F11/00
CPC分类号： G06F11/0727 , G06F11/079 , G06F11/325 , H04L69/40
摘要： A system and method for identifying a failed storage device in a storage system comprising a plurality of storage devices connected by a ring-type network is disclosed. In one embodiment, when a storage device fails, all storage devices on the ring-type network are disconnected to re-establish communication on the ring-type network. An iterative process of connecting a subset of storage devices to the ring-type network and testing communication on the ring-type network is performed until communication on the ring-type network is re-established. Then, individual storage devices are connected to the ring-type communication until the connection of a storage device causes communication on the ring-type network to fail, thereby identifying the failed storage device. In another embodiment, devices in a reporting group are tested on a shelf-by-shelf basis.
摘要翻译：公开了一种用于识别包括由环型网络连接的多个存储设备的存储系统中的故障存储设备的系统和方法。在一个实施例中，当存储设备发生故障时，环型网络上的所有存储设备都被断开，以重新建立环型网络上的通信。执行将存储设备的子集连接到环型网络并在环型网络上测试通信的迭代过程，直到重新建立环型网络上的通信。然后，个别存储设备连接到环型通信，直到存储设备的连接导致环型网络上的通信失败，从而识别出故障存储设备。在另一个实施例中，报告组中的设备是逐个地进行测试的。

2. 发明授权

US06920511B2 Method and apparatus for controlling communications in data storage complexes 有权
标题翻译：用于控制数据存储复合体中的通信的方法和装置
公开(公告)号：US06920511B2
公开(公告)日：2005-07-19
申请号：US10086599
申请日：2001-10-19
申请人： Stephen J. Sicola , Bruce Sardeson , Dennis Spicher , Bruce Roberts , Bill Pagano
发明人： Stephen J. Sicola , Bruce Sardeson , Dennis Spicher , Bruce Roberts , Bill Pagano
IPC分类号： G06F3/06 , G06F13/00 , G06F13/14
CPC分类号： G06F3/0601 , G06F2003/0697
摘要： A controller for positioning on a shelf of a cabinet within a mass storage system for controlling communication among device enclosures in a reporting group. The controller includes an interface to a data communication loop linking device enclosures each including disk drives positioned on one or more cabinets. The interface is used to transmit control commands. A cabinet bus interface controller is provided and linked to a cabinet bus in the cabinet to receive enclosure reporting messages from the device enclosures to collect environment information. The cabinet bus interface transmits reporting messages onto the cabinet bus to provide environmental information. The interface controller determines the shelf location of the controller within the cabinet from signals on the cabinet bus and receives the cabinet identifier over the cabinet bus. A processor is linked to the interface controller and functions to create and issue the control commands to the loop interface.
摘要翻译：一种用于定位在大容量存储系统内的机柜的架子上的控制器，用于控制报告组中的设备外壳之间的通信。控制器包括与数据通信环路的接口，链接设备机箱，每个机箱包括位于一个或多个机柜上的磁盘驱动器。该接口用于传输控制命令。机柜总线接口控制器提供并连接到机柜中的机柜总线，以接收来自设备机柜的机箱报告消息，以收集环境信息。柜总线接口将报告信息发送到柜总线上，以提供环境信息。接口控制器根据机柜总线上的信号确定机柜内控制器的货架位置，并通过机柜总线接收机柜标识符。处理器链接到接口控制器，并且用于创建并向循环接口发出控制命令。

3. 发明授权

US06988136B2 Unified management system and method for multi-cabinet data storage complexes 失效
公开(公告)号：US06988136B2
公开(公告)日：2006-01-17
申请号：US10000190
申请日：2001-10-19
申请人： Stephen J. Sicola , Bruce Sardeson , Dennis Spicher , Bruce Roberts , Bill Pagano , Richard Lary , William K. Miller , Mark J. Conrad
发明人： Stephen J. Sicola , Bruce Sardeson , Dennis Spicher , Bruce Roberts , Bill Pagano , Richard Lary , William K. Miller , Mark J. Conrad
IPC分类号： G06F15/173
CPC分类号： G06F3/0601 , G06F2003/0697
摘要： A multi-cabinet mass storage system with unified management features. The system includes a first reporting group and a second reporting group each having enclosure with processors, such as an environmental monitoring units (EMUs), for generating and transmitting environmental messages pertaining to the particular enclosures. The enclosures are positioned on shelves within cabinets. A bus or cabinet cable links each enclosure to facilitate broadcasting the environmental messages. The environmental messages identify the sending device's reporting group and its physical location within the system. Additional enclosures are included in this reporting group with enclosures of each reporting group located all in one cabinet, in two or more cabinets, and each cabinet may house one, two, or more reporting groups. A network links all of the cabinets to concurrently broadcast the environmental messages throughout the system and allows enclosures in a single reporting group to be positioned in differing cabinets.

4. 发明授权

US06912599B2 Method and apparatus for sensing positions of device enclosures within multi-shelf cabinets 有权
标题翻译：用于检测多架机柜内的设备外壳位置的方法和装置
公开(公告)号：US06912599B2
公开(公告)日：2005-06-28
申请号：US10038231
申请日：2001-10-19
申请人： Stephen J. Sicola , Bruce A. Sardeson , Dennis Spicher , Richard Bruce Roberts , Bill Pagano , William K. Miller , Clay T. Wade , Mark Shepp
发明人： Stephen J. Sicola , Bruce A. Sardeson , Dennis Spicher , Richard Bruce Roberts , Bill Pagano , William K. Miller , Clay T. Wade , Mark Shepp
IPC分类号： G06F1/18 , G11B33/12 , G06F3/00
CPC分类号： G11B33/125 , G06F1/18
摘要： A mass storage cabinet having passive device position sensing and including shelves for racking device enclosures. A cabinet bus is linked to the shelves and adapted to provide a unique shelf identifier signal to each of the shelves. The cabinet includes a device providing a cabinet identifier to the shelves. The cabinet bus includes junction boxes having first and second sets of sensing wires and a side connectors linked to the shelves for providing the shelf identifier signal from the first and second sets of sensing wires. To provide a different signal at each junction box, the sensing wires in the first set are moved one position and the sensing wires in the second set are moved one position prior to the connection to an adjacent junction box. An additional sensing wire is linked to the side connectors and grounded and ungrounded at each side connector to alter the signal.
摘要翻译：一种具有被动装置位置检测的大容量存储柜，并且包括用于货架装置外壳的货架。橱柜总线连接到货架上，并适用于向每个货架提供唯一的货架识别信号。机柜包括一个为货架提供机柜标识符的设备。机柜总线包括具有第一和第二组感测线的接线盒和连接到搁架的侧连接器，用于提供来自第一和第二组感测线的货架标识符信号。为了在每个接线盒处提供不同的信号，第一组中的感测线移动一个位置，并且第二组中的感测线在连接到相邻接线盒之前移动一个位置。附加的感测线连接到侧连接器，并在每个侧面连接器处接地和不接地，以改变信号。

5. 发明授权

US5938776A Detection of SCSI devices at illegal locations 失效
标题翻译：在非法位置检测SCSI设备
公开(公告)号：US5938776A
公开(公告)日：1999-08-17
申请号：US883782
申请日：1997-06-27
申请人： Stephen J. Sicola , Bruce Sardeson , Frank M. Nemeth , Mike Hare , Brian Schow
发明人： Stephen J. Sicola , Bruce Sardeson , Frank M. Nemeth , Mike Hare , Brian Schow
IPC分类号： G06F13/14 , G06F11/22 , G06F13/00 , G06F11/00 , G06F13/40
CPC分类号： G06F11/22
摘要： In a SCSI subsystem having mixed wide and narrow SCSI devices installed, a method and apparatus is provided for detecting a narrow SCSI device illegally installed at a slot assigned to a wide SCSI device. To detect the narrow SCSI device installed at an illegal location, high ID and low ID SCSI bus address pairs are set as test pairs for the SCSI subsystem. The low ID is the alias of the high ID if a narrow SCSI device is installed at the high ID slot. To detect a conflict with a controller ID, a non-responsive ID bus address corresponding to a slot known to be unused is called. A response to this call indicates a narrow SCSI device is installed at the high ID of the test pair and the narrow SCSI device at the high ID has configured to an alias bus address matching the controller ID. To detect a present conflict between SCSI devices, the low ID bus address in the test pair is called. A conflict in responses indicates a SCSI device is installed at the low ID and a narrow SCSI device is installed at the high ID of the test pair. To detect a future conflict between a narrow SCSI device at a high ID and a SCSI device installed in the future at an unused low ID, both the low ID and the high ID are called. No response to the high ID call in combination with a response to the low ID call indicates a narrow SCSI device is installed at the high ID and the narrow SCSI device would conflict in the future with a SCSI device subsequently installed at the unused low ID.
摘要翻译：在安装了混合宽和窄SCSI设备的SCSI子系统中，提供了一种用于检测非法地安装在分配给宽SCSI设备的时隙的窄SCSI设备的方法和设备。为了检测安装在非法位置的窄SCSI设备，将高ID和低ID SCSI总线地址对设置为SCSI子系统的测试对。如果在高ID插槽上安装了窄SCSI设备，则低ID是高ID的别名。为了检测与控制器ID的冲突，调用对应于已知未使用的时隙的非响应ID总线地址。对该呼叫的响应表示在测试对的高ID处安装了窄SCSI设备，并且将高ID处的窄SCSI设备配置为与控制器ID匹配的别名总线地址。为了检测SCSI设备之间的当前冲突，调用测试对中的低ID总线地址。响应中的冲突表示SCSI设备以低ID安装，并且在测试对的高ID处安装了一个窄SCSI设备。为了检测高ID的窄SCSI设备与未来安装的未使用的低ID的SCSI设备之间的未来冲突，将调用低ID和高ID。对高ID呼叫的响应与对低ID呼叫的响应相结合表示在高ID处安装了窄SCSI设备，并且将来与窄SCSI设备将在随后安装在未使用的低ID处的SCSI设备冲突。

6. 发明授权

US07111189B1 Method for transaction log failover merging during asynchronous operations in a data storage network 有权
标题翻译：在数据存储网络中异步操作期间事务日志故障切换合并的方法
公开(公告)号：US07111189B1
公开(公告)日：2006-09-19
申请号：US09538700
申请日：2000-03-30
申请人： Stephen J. Sicola , Susan G. Elkington , Michael D. Walker
发明人： Stephen J. Sicola , Susan G. Elkington , Michael D. Walker
IPC分类号： G06F11/00
CPC分类号： G06F11/2092
摘要： A disaster-tolerant data backup and remote copy system which is implemented as a controller-based replication of one or more LUNs (logical units) between two remotely separated pairs of array controllers connected by redundant links. In the situation wherein an array controller fails during an asynchronous copy operation, the partner array controller uses a ‘micro log’ stored in mirrored cache memory to recover transactions, in order, which were ‘missed’ by the backup storage array when the array controller failure occurred.
摘要翻译：一种容灾数据备份和远程复制系统，可实现为通过冗余链路连接的两个远程分离的阵列控制器对之间的一个或多个LUN（逻辑单元）的基于控制器的复制。在阵列控制器在异步复制操作期间发生故障的情况下，伙伴阵列控制器使用存储在镜像缓存存储器中的“微日志”来恢复按照阵列控制器在备份存储阵列中“丢失”的事务发生故障

7. 发明授权

US06947981B2 Flexible data replication mechanism 有权
标题翻译：灵活的数据复制机制
公开(公告)号：US06947981B2
公开(公告)日：2005-09-20
申请号：US10106908
申请日：2002-03-26
申请人： Clark Lubbers , Susan Elkington , Randy Hess , Stephen J. Sicola , James McCarty , Anuja Korgaonkar , Jason Leveille
发明人： Clark Lubbers , Susan Elkington , Randy Hess , Stephen J. Sicola , James McCarty , Anuja Korgaonkar , Jason Leveille
IPC分类号： G06F11/20 , H04L29/06 , H04L29/08 , H04L29/14 , G06F12/00
CPC分类号： G06F11/201 , H04L29/06 , H04L67/1002 , H04L67/1008 , H04L67/101 , H04L67/1034 , H04L67/1097 , H04L69/40 , H04L2029/06054 , Y10S707/99953 , Y10S707/99955
摘要： A data replication management (DRM) architecture comprising a plurality of storage cells interconnected by a fabric. Flexibility in connectivity is provided by configuring each storage cell port to the fabric to handle both host data access requests and DRM traffic. Each storage cell comprises one or more storage controllers that can be connected to the fabric in any combination. Processes executing in the storage controller find a path to a desired destination storage cell. The discovery algorithm implements a link service that exchanges information related to DRM between the storage controllers. The DRM architecture is symmetric and peer cooperative such that each controller and storage cell can function as a source and a destination of replicated data. The DRM architecture supports parallel and serial “fan-out” to multiple destinations, whereby the multiple storage cells may implement data replicas.
摘要翻译：包括由织物互连的多个存储单元的数据复制管理（DRM）架构。通过将每个存储单元端口配置到结构来处理主机数据访问请求和DRM流量来提供连接灵活性。每个存储单元包括可以以任何组合连接到织物的一个或多个存储控制器。在存储控制器中执行的进程找到到所需目的地存储单元的路径。发现算法实现了在存储控制器之间交换与DRM相关的信息的链路服务。 DRM架构是对称和对等的协作，使得每个控制器和存储单元可以用作复制数据的源和目的地。 DRM架构支持并行和串行“扇出”到多个目的地，由此多个存储单元可以实现数据副本。

8. 发明授权

US06356979B1 System and method for selectively presenting logical storage units to multiple host operating systems in a networked computing system 有权
标题翻译：用于选择性地向联网计算系统中的多个主机操作系统呈现逻辑存储单元的系统和方法
公开(公告)号：US06356979B1
公开(公告)日：2002-03-12
申请号：US09312944
申请日：1999-05-17
申请人： Stephen J. Sicola , Michael D. Walker , James E. Pherson
发明人： Stephen J. Sicola , Michael D. Walker , James E. Pherson
IPC分类号： G06F1200
CPC分类号： G06F3/0614 , G06F3/0622 , G06F3/0637 , G06F3/0665 , G06F3/0683
摘要： A storage system capable of selectively presenting logical units to one or more host computing systems. The storage system comprises one or more persistent storage devices arranged as logical units; an array controller controlling and coordinating the operations of the persistent storage devices; a memory accessible by the array controller; and a configuration table stored in the memory, the configuration table containing one or more entries governing the interactions between the logical units and the one or more host computing systems. The configuration table contains an entry for each logical unit which the array controller accesses to determine if a particular logical unit should communicate with a particular one of the host computing systems, an entry for each logical unit which the array controller accesses to determine if a particular logical unit should communicate with a particular one of the host computing systems using an internal offset for a logical unit number, and an entry for each logical unit which the array controller accesses to determine if a particular logical unit should communicate with a particular one of the host computing systems using a predetermined host mode.
摘要翻译：能够选择地向一个或多个主计算系统呈现逻辑单元的存储系统。该存储系统包括被布置为逻辑单元的一个或多个永久存储设备; 控制和协调持久存储设备的操作的阵列控制器; 由阵列控制器访问的存储器; 以及存储在所述存储器中的配置表，所述配置表包含管理所述逻辑单元与所述一个或多个主计算系统之间的交互的一个或多个条目。配置表包含阵列控制器访问的每个逻辑单元的条目，以确定特定逻辑单元是否应与主计算系统中的特定一个通信，阵列控制器访问的每个逻辑单元的条目，以确定是否具体逻辑单元应该使用用于逻辑单元号的内部偏移量与主机计算系统中的特定一个通信，以及阵列控制器访问的每个逻辑单元的条目，以确定特定逻辑单元是否应该与特定逻辑单元号通信使用预定主机模式的主机计算系统。

9. 发明授权

US07350046B2 Managed reliability storage system and method monitoring storage conditions 有权
标题翻译：管理可靠性存储系统和方法监控存储条件
公开(公告)号：US07350046B2
公开(公告)日：2008-03-25
申请号：US10817617
申请日：2004-04-02
申请人： Stephen J. Sicola , Charles M. Sander
发明人： Stephen J. Sicola , Charles M. Sander
IPC分类号： G06F12/06
CPC分类号： G06F11/0751 , G06F11/0727
摘要： Disclosed is a managed reliability storage system and method. A data storage system comprises a plurality of storage devices and at least one storage device controller and may also include additional storage device controllers, one or more host systems, and one or more network connections. Aspects of the invention include reliable data storage formats, planned reliability management, threshold reliability management, and software data recovery. Reliable data formats include fault tolerant storage formats such as RAID and implementations thereof. Planned reliability management includes monitoring of system usage and adjustment of usage reflecting an optimal usage model, scheduled and event driven diagnostic execution and conditional adjustment of operating parameters of storage system components. Software data recovery provides copying and reconstruction of data through redundant data formats including parity, ECC, RLL and others encoding methods. Embodiments of the invention provide an opportunity for increased storage system reliability through scheduled or event driven “tune ups” of system usage and of system components, including low level manufacturing parameters, reducing long term storage costs.
摘要翻译：公开了一种管理可靠性存储系统和方法。数据存储系统包括多个存储设备和至少一个存储设备控制器，并且还可以包括附加存储设备控制器，一个或多个主机系统以及一个或多个网络连接。本发明的方面包括可靠的数据存储格式，计划的可靠性管理，阈值可靠性管理和软件数据恢复。可靠的数据格式包括容错存储格式，如RAID及其实现。计划的可靠性管理包括监控系统使用情况和调整使用情况，反映最佳使用模式，计划和事件驱动的诊断执行以及有条件地调整存储系统组件的运行参数。软件数据恢复通过冗余数据格式（包括奇偶校验，ECC，RLL和其他编码方法）提供复制和重建数据。本发明的实施例通过计划或事件驱动的“调整”系统使用和系统组件（包括低级制造参数）提供了增加的存储系统可靠性的机会，从而减少长期存储成本。

10. 发明授权

US07149769B2 System and method for multi-destination merge in a storage area network 有权
公开(公告)号：US07149769B2
公开(公告)日：2006-12-12
申请号：US10106907
申请日：2002-03-26
申请人： Clark Lubbers , Susan Elkington , Randy Hess , Stephen J. Sicola , James McCarty , Anuja Korgaonkar , Jason Leveille
发明人： Clark Lubbers , Susan Elkington , Randy Hess , Stephen J. Sicola , James McCarty , Anuja Korgaonkar , Jason Leveille
IPC分类号： G06F15/16 , G06F7/00 , G06F12/00
CPC分类号： G06F11/2071 , G06F11/1471 , G06F11/2058 , G06F11/2064 , G06F11/2079 , H04L29/06 , H04L67/1002 , H04L67/1097 , H04L69/329 , H04L2029/06054 , Y10S707/99953
摘要： A data storage system adapted to maintain redundant data storage sets at a destination location(s) is disclosed. The data storage system establishes a copy set comprising a source volume and a destination volume. Data written to a source volume is automatically copied to the destination volume. The data storage system maintains a data log that may be activated when the destination volume is inaccessible due to, for example, a malfunction in the destination storage system or in the communication link between the source system and the destination system. I/O commands and the data associated with those commands are written to the data log, and after a destination system becomes available the information in the data log is merged into the destination volume to conform the data in the destination volume to the data in the source volume. The data log competes for disk capacity with other volumes on the system, and log memory is allocated as needed. If multiple remote sites are provided, then the system permits to implements a merge fence to manage the process of merging data into multiple destinations.

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