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1. 发明授权

US06938122B2 Remote mirroring in a switched environment 有权
标题翻译：在交换环境中进行远程镜像
公开(公告)号：US06938122B2
公开(公告)日：2005-08-30
申请号：US09767773
申请日：2001-01-23
申请人： David Meiri , Dan Arnon , Mark J. Halstead , Peter Kamvysselis
发明人： David Meiri , Dan Arnon , Mark J. Halstead , Peter Kamvysselis
IPC分类号： G06F13/14 , G06F3/06 , G06F11/20 , G06F12/00
CPC分类号： H04L67/1095 , G06F11/20 , G06F11/201 , G06F11/2071 , H04L67/1097
摘要： A mechanism to support remote mirroring of storage devices by data storage systems in a one-to-many switched environment. Each data storage system includes a disk director that is adapted to control at least one device group that is supported in a mirrored configuration with a corresponding device group controlled by one of the other data storage systems. For each device group and corresponding device group, there are first ports associated with the device group and second ports associated with the corresponding device group. A switch element is adapted to connect one of the first ports to at least one of the second ports so that data may be exchanged between the ports for each device group and corresponding device group. The disk director selects which first port is to be connected to which second port via the switch element in the establishment of a logical link. Thus, each port connected to the switch is capable of achieving multiple connections to multiple destinations for increased connectivity, redundancy and performance (load balance) without additional hardware.
摘要翻译：支持数据存储系统在一对多交换环境中远程镜像存储设备的机制。每个数据存储系统包括磁盘引导器，该磁盘引导器适于控制被镜像配置中支持的至少一个设备组与由其他数据存储系统之一控制的相应设备组。对于每个设备组和相应的设备组，都有与设备组相关联的第一个端口和与相应设备组相关联的第二个端口。开关元件适于将第一端口中的一个连接到至少一个第二端口，使得可以在用于每个设备组和对应的设备组的端口之间交换数据。在建立逻辑链路时，磁盘控制器通过交换机元件选择要连接到哪个第二端口的第一端口。因此，连接到交换机的每个端口能够实现多个连接到多个目的地，以增加连接性，冗余和性能（负载平衡），而无需额外的硬件。

2. 发明授权

US06553464B1 Obtaining data from a remote storage device 有权
标题翻译：从远程存储设备获取数据
公开(公告)号：US06553464B1
公开(公告)日：2003-04-22
申请号：US09801252
申请日：2001-03-07
申请人： Peter Kamvysselis , Dan Arnon , David Meiri , Mark J. Halstead
发明人： Peter Kamvysselis , Dan Arnon , David Meiri , Mark J. Halstead
IPC分类号： G06F1516
CPC分类号： H04L29/06 , H04L67/10 , H04L67/2842 , H04L69/329
摘要： Providing data from a volume of a remote storage device coupled to a local storage device that is coupled to a host, includes providing a command to the remote storage device to request the data, if the data is stored in a cache portion of the remote storage device, the remote storage device providing the data, and if the data is not stored in the cache portion of the remote storage device, the remote storage device causing the data to be fetched from the volume and returning one of: a disconnect or an indicator that the data was not found. Causing the data to be fetched from the volume may include creating a separate wait task that waits for the data to be fetched from the volume. The separate wait task may be created only if there is not already another wait task waiting for the same data. The wait task may post an error if the data is not fetched after a predetermined amount of time, such as four seconds. An error may be posted if the data is not fetched after a predetermined amount of time, such as eight seconds. After the data has been fetched from the volume, the remote storage device may provide a reconnect command followed by the data.
摘要翻译：从耦合到与主机耦合的本地存储设备的远程存储设备的卷的数据提供数据包括向所述远程存储设备提供命令以请求所述数据，如果所述数据被存储在所述远程存储器的高速缓存部分中设备，提供数据的远程存储设备，以及如果数据未被存储在远程存储设备的高速缓存部分中，则远程存储设备使数据从卷中获取并返回以下之一：断开或指示符没有找到数据。导致从卷中获取的数据可能包括创建等待从卷中获取的数据的单独的等待任务。只有当尚未有其他等待任务等待相同数据时，才能创建单独的等待任务。如果在预定的时间量（例如四秒）之后未获取数据，则等待任务可能发布错误。如果在预定的时间（例如8秒）之后未获取数据，则可能会发布错误。从卷中取出数据后，远程存储设备可以提供重新连接命令，后跟数据。

3. 发明授权

US06640280B1 Obtaining data from a remote storage device using multiple jobs per device on RA 有权
标题翻译：从远程存储设备获取数据，每个设备在RA上使用多个作业
公开(公告)号：US06640280B1
公开(公告)日：2003-10-28
申请号：US09891110
申请日：2001-06-25
申请人： Peter Kamvysselis , Dan Arnon , David Meiri , Mark J. Halstead
发明人： Peter Kamvysselis , Dan Arnon , David Meiri , Mark J. Halstead
IPC分类号： G06F1208
CPC分类号： H04L29/06 , H04L67/10 , H04L67/2842 , H04L69/329
摘要： Providing data from a volume of a remote storage device coupled to a local storage device that is coupled to a host, includes providing a command to the remote storage device to request the data, if the data is stored in a cache portion of the remote storage device, the remote storage device providing the data, and if the data is not stored in the cache portion of the remote storage device, the remote storage device causing the data to be fetched from the volume and returning one of: a disconnect or an indicator that the data was not found. Causing the data to be fetched from the volume may include creating a separate wait task that waits for the data to be fetched from the volume. The separate wait task may be created only if there is not already another wait task waiting for the same data. The wait task may post an error if the data is not fetched after a predetermined amount of time, such as four seconds. An error may be posted if the data is not fetched after a predetermined amount of time, such as eight seconds. After the data has been fetched from the volume, the remote storage device may provide a reconnect command followed by the data.
摘要翻译：从耦合到与主机耦合的本地存储设备的远程存储设备的卷的数据提供数据包括向所述远程存储设备提供命令以请求所述数据，如果所述数据被存储在所述远程存储器的高速缓存部分中设备，提供数据的远程存储设备，以及如果数据未被存储在远程存储设备的高速缓存部分中，则远程存储设备使数据从卷中获取并返回以下之一：断开或指示符没有找到数据。导致从卷中获取的数据可能包括创建等待从卷中获取的数据的单独的等待任务。只有当尚未有其他等待任务等待相同数据时，才能创建单独的等待任务。如果在预定的时间量（例如四秒）之后未获取数据，则等待任务可能发布错误。如果在预定的时间（例如8秒）之后未获取数据，则可能会发布错误。从卷中取出数据后，远程存储设备可以提供重新连接命令，后跟数据。

4. 发明授权

US08812595B2 Scanning a message-list 有权
标题翻译：扫描消息列表
公开(公告)号：US08812595B2
公开(公告)日：2014-08-19
申请号：US11083486
申请日：2005-03-18
申请人： David Meiri , Dan Arnon , Mark J. Halstead , Peter Kamvysselis
发明人： David Meiri , Dan Arnon , Mark J. Halstead , Peter Kamvysselis
IPC分类号： G06F15/16
CPC分类号： G06F15/16
摘要： A method for scanning a message-list accessible to a plurality of processors includes retrieving, from a cache associated with a scanning processor from the plurality of processors, information identifying a starting message-slot. This information is then used to begin a scan of the message-list at that starting message-slot. The information indicating the starting message-slot is obtained by identifying, in the message-list, a message-slot containing a message intended for a recipient processor from the plurality of processors and obtaining, from the identified message-slot, information indicative of a location of a succeeding message-slot in the message-list. This information is then cached, for retrieval during a subsequent scan of the message-list.
摘要翻译：用于扫描多个处理器可访问的消息列表的方法包括从多个处理器中的与扫描处理器相关联的高速缓存中检索标识起始消息时隙的信息。然后，该信息用于开始在该起始消息时隙处的消息列表的扫描。指示起始消息时隙的信息通过在消息列表中识别包含来自多个处理器的接收者处理器的消息的消息时隙来获得，并从所标识的消息时隙获得指示消息列表中的后续消息时隙的位置。然后将该信息缓存，以便在消息列表的后续扫描期间进行检索。

5. 发明授权

US07577957B1 Multiple jobs per device that are linked via a device record for servicing by different adapters 有权
标题翻译：通过设备记录链接的不同适配器进行维修的每个设备的多个作业
公开(公告)号：US07577957B1
公开(公告)日：2009-08-18
申请号：US09891143
申请日：2001-06-25
申请人： Peter Kamvysselis , Dan Arnon , David Meiri , Mark J. Halstead
发明人： Peter Kamvysselis , Dan Arnon , David Meiri , Mark J. Halstead
IPC分类号： G06F9/46 , G06F13/00 , G06F12/00
CPC分类号： G06F11/2071 , G06F11/1612 , H04L69/329 , Y10S707/99953 , Y10S707/99955
摘要： Providing multiple jobs for a device associated with a communication device includes providing a plurality of device records, where each of the device records corresponds to a device associated with the communication device, providing a plurality of job records for at least one of the device records, where each of the job records contains at least some information that is also provided in the corresponding one of the device records, and linking the job records and the corresponding device record so that any one of the job records may be accessed by first accessing the corresponding one of the device records. Providing multiple jobs may also include providing one of a plurality of shared pointers in each of the job records and the corresponding one of the device records, where all of the shared pointers point to the corresponding one of the device records. Linking the job records may include providing a forward pointer and a backward pointer for each of the job records. Linking the job records may also include providing a pointer to one of the job records in the corresponding one of the device records.
摘要翻译：为与通信设备相关联的设备提供多个作业包括提供多个设备记录，其中每个设备记录对应于与通信设备相关联的设备，为设备记录中的至少一个提供多个作业记录，其中每个作业记录至少包含一些信息，其还提供在相应的一个设备记录中，以及链接作业记录和对应的设备记录，使得任何一个作业记录可以通过首先访问相应的其中一个设备记录。提供多个作业还可以包括在每个作业记录和相应的一个设备记录中提供多个共享指针中的一个，其中所有共享指针指向相应的一个设备记录。链接作业记录可以包括为每个作业记录提供前向指针和后退指针。链接作业记录还可以包括提供指向相应的一个设备记录中的一个作业记录的指针。

6. 发明授权

US06883018B1 Scanning a message-list 有权
公开(公告)号：US06883018B1
公开(公告)日：2005-04-19
申请号：US09768994
申请日：2001-01-24
申请人： David Meiri , Dan Arnon , Mark J. Halstead , Peter Kamvysselis
发明人： David Meiri , Dan Arnon , Mark J. Halstead , Peter Kamvysselis
IPC分类号： G06F15/16 , H04Q7/20
CPC分类号： G06F15/16
摘要： A method for scanning a message-list accessible to a plurality of processors includes retrieving, from a cache associated with a scanning processor from the plurality of processors, information identifying a starting message-slot. This information is then used to begin a scan of the message-list at that starting message-slot. The information indicating the starting message-slot is obtained by identifying, in the message-list, a message-slot containing a message intended for a recipient processor from the plurality of processors and obtaining, from the identified message-slot, information indicative of a location of a succeeding message-slot in the message-list. This information is then cached, for retrieval during a subsequent scan of the message-list.

7. 发明授权

US06496908B1 Remote mirroring 有权
标题翻译：远程镜像
公开(公告)号：US06496908B1
公开(公告)日：2002-12-17
申请号：US09860924
申请日：2001-05-18
申请人： Peter Kamvysselis , Dan Arnon , Mark J. Halstead , David Meiri
发明人： Peter Kamvysselis , Dan Arnon , Mark J. Halstead , David Meiri
IPC分类号： G06F1216
CPC分类号： G06F11/2069 , G06F11/2058 , G06F11/2074
摘要： A system for mirroring source data to two or more mirrors includes first and second processors designated to communicate with first and second remote mirrors, respectively. First and second queues in the system receive requests to mirror source data at first and second mirrors, respectively. Each of the queues is periodically scanned by a processor corresponding to the mirror associated with that queue. A mask provides information indicative of any pending mirror requests for sending the source data to the first and second mirrors.
摘要翻译：用于将源数据镜像到两个或更多镜的系统包括分别指定为与第一和第二远程镜进行通信的第一和第二处理器。系统中的第一和第二队列分别接收在第一和第二反射镜上镜像源数据的请求。每个队列由对应于与该队列相关联的镜像的处理器周期性扫描。掩码提供指示用于将源数据发送到第一和第二反射镜的任何未决镜像请求的信息。

8. 发明授权

US07409470B2 Determining configuration data in connection with dynamic RDF 有权
标题翻译：确定与动态RDF相关的配置数据
公开(公告)号：US07409470B2
公开(公告)日：2008-08-05
申请号：US10995810
申请日：2004-11-23
申请人： Mark J. Halstead , Dan Arnon , David Meiri
发明人： Mark J. Halstead , Dan Arnon , David Meiri
IPC分类号： G06F3/00 , G06F12/00 , G06F13/00
CPC分类号： G06F11/1666 , G06F3/0601 , G06F11/20 , G06F11/2069 , G06F2003/0697 , H04L12/56 , Y10S707/99952 , Y10S707/99953
摘要： Dynamically creating a communication path between first and second storage devices, includes creating a connection to a source volume on the first storage device and indicating that the source volume is not ready to transmit data on the communication path, after successfully creating the connection to the source volume, creating a connection to a destination volume on the second storage device and initially indicating that portions of one of: the destination volume and the source volume do not contain valid copies of data, where the destination volume accepts data from the source volume, and after successfully creating the connections to the source and destination volumes, indicating that the source volume is ready to transmit data on the communication path. Dynamically creating a communication path between first and second storage devices, may also include creating at least one of: the source volume and the destination volume. Creating the connection to the source volume may include modifying a table containing configuration information for the first storage device. Creating the connection to the destination volume may include modifying a table containing configuration information for the second storage device.
摘要翻译：在第一和第二存储设备之间动态地创建通信路径，包括在成功创建到源的连接之后创建到第一存储设备上的源卷的连接并且指示源卷未准备好在通信路径上传输数据创建与第二存储设备上的目的地卷的连接，并且最初指示目的卷和源卷之一的部分不包含数据的有效副本，其中目的地卷接收来自源卷的数据，以及在成功创建到源卷和目标卷的连接后，指示源卷准备好在通信路径上传输数据。在第一和第二存储设备之间动态地创建通信路径还可以包括创建源卷和目的地卷中的至少一个。创建与源卷的连接可能包括修改包含第一个存储设备的配置信息的表。创建到目标卷的连接可能包括修改包含第二个存储设备的配置信息的表。

9. 发明授权

US07174423B2 Remote mirroring in a switched environment 有权
标题翻译：在交换环境中进行远程镜像
公开(公告)号：US07174423B2
公开(公告)日：2007-02-06
申请号：US11183461
申请日：2005-07-18
申请人： David Meiri , Dan Arnon , Mark J. Halstead , Peter Kamvysselisi
发明人： David Meiri , Dan Arnon , Mark J. Halstead , Peter Kamvysselisi
IPC分类号： G06F11/20
CPC分类号： H04L67/1095 , G06F11/20 , G06F11/201 , G06F11/2071 , H04L67/1097
摘要： A mechanism to support remote mirroring of storage devices by data storage systems in a one-to-many switched environment. Each data storage system includes a disk director that is adapted to control at least one device group that is supported in a mirrored configuration with a corresponding device group controlled by one of the other data storage systems. For each device group and corresponding device group, there are first ports associated with the device group and second ports associated with the corresponding device group. A switch element is adapted to connect one of the first ports to at least one of the second ports so that data may be exchanged between the ports for each device group and corresponding device group. The disk director selects which first port is to be connected to which second port via the switch element in the establishment of a logical link. Thus, each port connected to the switch is capable of achieving multiple connections to multiple destinations for increased connectivity, redundancy and performance (load balance) without additional hardware.
摘要翻译：支持数据存储系统在一对多交换环境中远程镜像存储设备的机制。每个数据存储系统包括磁盘引导器，该磁盘引导器适于控制被镜像配置中支持的至少一个设备组与由其他数据存储系统之一控制的相应设备组。对于每个设备组和相应的设备组，都有与设备组相关联的第一个端口和与相应设备组相关联的第二个端口。开关元件适于将第一端口中的一个连接到至少一个第二端口，使得可以在用于每个设备组和对应的设备组的端口之间交换数据。在建立逻辑链路时，磁盘控制器通过交换机元件选择要连接到哪个第二端口的第一端口。因此，连接到交换机的每个端口能够实现多个连接到多个目的地，以增加连接性，冗余和性能（负载平衡），而无需额外的硬件。

10. 发明授权

US06976139B2 Reversing a communication path between storage devices 有权
标题翻译：反转存储设备之间的通信路径
公开(公告)号：US06976139B2
公开(公告)日：2005-12-13
申请号：US09998683
申请日：2001-11-30
申请人： Mark J. Halstead , Dan Arnon , David Meiri
发明人： Mark J. Halstead , Dan Arnon , David Meiri
IPC分类号： G06F3/06 , G06F11/20 , G06F12/00
CPC分类号： G06F3/0665 , G06F3/0619 , G06F3/065 , G06F3/0689 , G06F11/1666 , G06F11/20 , G06F11/2069 , Y10S707/99953 , Y10S707/99954
摘要： Reversing a communication path between a first volume on a first storage device and a second volume on a second storage device includes suspending communication between the first and second volumes while maintaining operations for other volumes of the storage devices, causing the first volume to change from a source volume to a destination volume without destroying the first volume, causing the second volume to change from a destination volume to a source volume without destroying the second volume, and resuming communication between the first and second volumes. Causing the first volume to change from a source volume to a destination volume may include modifying a table of the first storage device. Causing the second volume to change from a source volume to a destination volume may include modifying a table of the second storage device.
摘要翻译：将第一存储设备上的第一卷和第二存储设备上的第二卷之间的通信路径反转包括暂停在第一和第二卷之间的通信，同时维护其他卷的存储设备的操作，从而使第一卷从源卷到目标卷，而不会破坏第一个卷，导致第二个卷从目标卷更改为源卷，而不会破坏第二个卷，并恢复第一个和第二个卷之间的通信。使第一卷从源卷更改为目标卷可能包括修改第一个存储设备的表。使第二卷从源卷更改为目的地卷可能包括修改第二个存储设备的表。

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