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公开(公告)号：US09026741B1
公开(公告)日：2015-05-05
申请号：US13539431
申请日：2012-06-30
申请人： Philip Derbeko , Arieh Don , Alex Veprinsky , Marik Marshak
发明人： Philip Derbeko , Arieh Don , Alex Veprinsky , Marik Marshak
CPC分类号： G06F12/0897 , G06F11/2017 , G06F12/0862 , G06F12/0866 , G06F2212/1052
摘要： A method, computer program product, and computing system for receiving an indication of a cold cache event within a storage system. The storage system includes a multi-tiered data array including at least a faster data tier and a slower data tier. A data list that identifies at least a portion of the data included within the faster data tier of the multi-tiered data array is obtained from the multi-tiered data array. At least a portion of the data identified within the data list is requested from the multi-tiered data array, thus defining the requested data. The requested data is received from the multi-tiered data array.
摘要翻译： 一种用于接收存储系统内的冷缓存事件的指示的方法，计算机程序产品和计算系统。 存储系统包括多层数据阵列，其包括至少更快的数据层和较慢的数据层。 从多层数据阵列获得识别包含在多层数据阵列的更快数据层内的数据的至少一部分的数据列表。 从多层数据阵列请求数据列表中识别的数据的至少一部分，从而定义所请求的数据。 从多层数据阵列接收所请求的数据。
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公开(公告)号：US08886883B1
公开(公告)日：2014-11-11
申请号：US13436906
申请日：2012-03-31
申请人： Philip Derbeko , Marik Marshak , Arieh Don , Alexandr Veprinsky
发明人： Philip Derbeko , Marik Marshak , Arieh Don , Alexandr Veprinsky
CPC分类号： G06F12/0866 , G06F2212/401
摘要： A method, computer program product, and computing system for identifying compressed content within a first cache system to a data array associated with the first cache system. Related content is located on the data array that is associated with the compressed content on the first cache system and it is determined whether the related content on the data array is compressible.
摘要翻译： 一种用于将第一高速缓存系统内的压缩内容识别到与第一高速缓存系统相关联的数据阵列的方法，计算机程序产品和计算系统。 相关内容位于与第一高速缓存系统上的压缩内容相关联的数据阵列上，并且确定数据阵列上的相关内容是否是可压缩的。
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公开(公告)号：US09026765B1
公开(公告)日：2015-05-05
申请号：US13610118
申请日：2012-09-11
申请人： Marik Marshak , Amnon Naamad , Alexandr Veprinsky , Arieh Don
发明人： Marik Marshak , Amnon Naamad , Alexandr Veprinsky , Arieh Don
CPC分类号： G06F3/061 , G06F3/0604 , G06F3/0656 , G06F3/0685 , G06F12/0866
摘要： Techniques are described for processing a data operation that writes first data to a data portion currently stored on first physical storage of a first storage tier of a data storage system, including storage tiers each having a different performance ranking relative to other storage tiers. Second physical storage is allocated from one of the storage tiers for storing the first data written to the data portion. This one storage tier is selected independent of the first storage tier. The first data is stored in a cache and destaged from the cache to the second physical storage. A single merged copy of data for the data portion is formed. Based on an activity level of the data portion, a target tier is selected for storing the single merged copy of data for the data portion.
摘要翻译： 描述了用于处理数据操作的技术，该数据操作将第一数据写入当前存储在数据存储系统的第一存储层的第一物理存储器上的数据部分，包括相对于其他存储层具有不同性能等级的存储层。 从存储层之一分配第二物理存储器，用于存储写入数据部分的第一数据。 独立于第一个存储层选择这一个存储层。 第一个数据存储在缓存中，并从缓存中转储到第二个物理存储。 形成数据部分的数据的单个合并副本。 基于数据部分的活动级别，选择目标层以存储用于数据部分的单个合并的数据副本。
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公开(公告)号：US08713261B1
公开(公告)日：2014-04-29
申请号：US13065016
申请日：2011-03-11
申请人： Dan Aharoni , Amnon Naamad , Alex Veprinsky , Arieh Don
发明人： Dan Aharoni , Amnon Naamad , Alex Veprinsky , Arieh Don
IPC分类号： G06F12/00
CPC分类号： G06F12/0868 , G06F2212/1024 , G06F2212/286 , G06F2212/312
摘要： Described are techniques for caching. At a first point in time, a first set of data portions currently stored in a first cache of a first data storage system is determined. Each data portion of the first set is located on a first device of the first data storage system. Sent to a second data storage system is first information including information identifying a storage location on the first device for each data portion of the first set. The second data storage system includes a second device that is maintained as a mirror of the first device. The storage location for each data portion of the first set is used to identify a second storage location of the second device corresponding to the storage location. The first information is used to populate a second cache of the second data storage system.
摘要翻译： 描述的是缓存技术。 在第一时间点，确定当前存储在第一数据存储系统的第一高速缓存中的第一组数据部分。 第一组的每个数据部分位于第一数据存储系统的第一设备上。 发送到第二数据存储系统是第一信息，包括识别第一设备的每个数据部分的第一设备上的存储位置的信息。 第二数据存储系统包括被维护为第一设备的反射镜的第二设备。 用于第一组的每个数据部分的存储位置用于识别对应于存储位置的第二设备的第二存储位置。 第一信息用于填充第二数据存储系统的第二缓存。
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公开(公告)号：US08380956B1
公开(公告)日：2013-02-19
申请号：US13065014
申请日：2011-03-11
申请人： Alex Veprinsky , Amnon Naamad , Arieh Don
发明人： Alex Veprinsky , Amnon Naamad , Arieh Don
CPC分类号： G06F11/2087 , G06F11/2069
摘要： Described are techniques for storing first data to a logical data in accordance with a static policy to service reads using data stored in a first storage area. The logical device has its data stored on a first physical device that is mirrored on a second physical device. Each of the first and second physical devices include a first storage area and a second storage area. The first storage areas provide better performance than the second storage areas. The first data is stored at a first location in one of the first storage areas of one of the physical devices and at a second location in one of the second storage areas at the other of the first and the second physical devices. An operation to read the first data is serviced by accessing the first data stored in the first area of the one physical device.
摘要翻译： 描述了根据静态策略将第一数据存储到逻辑数据的技术，以使用存储在第一存储区域中的数据来进行服务读取。 逻辑设备将其数据存储在第二物理设备上的镜像上。 第一和第二物理设备中的每一个包括第一存储区域和第二存储区域。 第一个存储区域提供比第二个存储区域更好的性能。 第一数据被存储在物理设备之一的第一存储区域之一的第一位置处，并且存储在第一和第二物理设备中的另一个的第二存储区域之一的第二位置处。 通过访问存储在一个物理设备的第一区域中的第一数据来服务读取第一数据的操作。
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6.发明授权System and method for improving cache performance upon detection of a LUN control event 有权检测LUN控制事件时提高缓存性能的系统和方法公开(公告)号：US08914584B1
公开(公告)日：2014-12-16
申请号：US13436915
申请日：2012-03-31
CPC分类号： G06F3/0637 , G06F3/0647 , G06F12/0804 , G06F12/0873
摘要： A method for receiving a Mode Select command concerning a LUN from a host. The Mode Select command defines control information and host identifier information concerning the host associated with the Mode Select command. The Mode Select command is processed to determine if the control information included within the Mode Select command signifies an intent by the host to relinquish control of the LUN. If the control information signifies an intent to relinquish control of the LUN, the host identifier information included within the Mode Select command is processed to confirm that it matches LUN control identifier information that defines the host that currently controls the LUN. If the host identifier information matches the LUN control identifier information, at least the control information included within the Mode Select command is written to a buffer associated with the LUN. The buffer includes a control field and a GUID field.
摘要翻译： 从主机接收关于LUN的模式选择命令的方法。 模式选择命令定义与模式选择命令相关的主机的控制信息和主机标识信息。 处理模式选择命令以确定模式选择命令中包含的控制信息是否表示主机放弃对LUN的控制的意图。 如果控制信息表示意图放弃对LUN的控制，则处理包含在模式选择命令中的主机标识符信息，以确认其与定义当前控制LUN的主机的LUN控制标识符信息相匹配。 如果主机标识符信息与LUN控制标识符信息匹配，则至少将包含在模式选择命令中的控制信息写入与LUN相关联的缓冲区。 缓冲区包括控制字段和GUID字段。
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公开(公告)号：US08554954B1
公开(公告)日：2013-10-08
申请号：US13436918
申请日：2012-03-31
IPC分类号： G06F3/00
CPC分类号： G06F3/0614 , G06F3/0637 , G06F3/0688 , G06F11/1441 , G06F12/0866 , G06F2212/263
摘要： A method, computer program product, and computing system for determining at least one LUN that was being controlled by a host prior to a crash event concerning the host, thus define at least one target LUN. A Mode Select command is prepared for the at least one target LUN, wherein the Mode Select command defines control information and host identifier information concerning the host. The Mode Select command is processed to determine if the control information and host identifier information included within the Mode Select command matches control information and host identifier information included within a buffer associated with the at least one target LUN. If the control information and host identifier information included within the Mode Select command matches the control information and host identifier information included within the buffer, control of the at least one target LUN is granted to the host.
摘要翻译： 一种方法，计算机程序产品和计算系统，用于确定在主机之前由主机控制的至少一个LUN，从而定义至少一个目标LUN。 为至少一个目标LUN准备了模式选择命令，其中模式选择命令定义关于主机的控制信息和主机标识符信息。 处理模式选择命令以确定模式选择命令中包括的控制信息和主机标识符信息是否与包括在与至少一个目标LUN相关联的缓冲器内的控制信息和主机标识符信息相匹配。 如果包括在模式选择命令中的控制信息和主机标识符信息与包括在缓冲器内的控制信息和主机标识符信息相匹配，则至少一个目标LUN的控制被授予主机。
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公开(公告)号：US08468180B1
公开(公告)日：2013-06-18
申请号：US12930251
申请日：2010-12-31
申请人： David Meiri , Dan Arnon , Arieh Don , Ian Wigmore , Patrick Brian Riordan , John T. Fitzgerald , Alex Veprinsky , John Sopka
发明人： David Meiri , Dan Arnon , Arieh Don , Ian Wigmore , Patrick Brian Riordan , John T. Fitzgerald , Alex Veprinsky , John Sopka
IPC分类号： G06F17/30
CPC分类号： G06F3/0647 , G06F3/0607 , G06F3/0683
摘要： Migrating data from an old storage device to a new storage device includes creating new paths to the new storage device, freezing old paths to the old storage device, transferring metadata corresponding to the old storage device to the new storage device, where state information is transferred from the old storage device to the new storage device, and thawing the new paths. Migrating data from an old storage device to a new storage device may also include creating new volumes on the new storage device and transferring data from the old storage device to the new storage device. Migrating data from an old storage device to a new storage device may also include dismantling the old paths.
摘要翻译： 将数据从旧存储设备迁移到新的存储设备包括创建到新存储设备的新路径，将旧路径冻结到旧存储设备，将与旧存储设备相对应的元数据传送到新存储设备，在该存储设备中传送状态信息 从旧的存储设备到新的存储设备，并解冻新的路径。 将数据从旧存储设备迁移到新的存储设备还可以包括在新存储设备上创建新卷并将数据从旧存储设备传送到新的存储设备。 将数据从旧存储设备迁移到新的存储设备也可能包括拆除旧路径。
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公开(公告)号：US08914585B1
公开(公告)日：2014-12-16
申请号：US13436920
申请日：2012-03-31
CPC分类号： G06F3/0617 , G06F3/0637 , G06F11/2069 , G06F12/0866
摘要： A method, computer program product, and computing system for receiving a Mode Select command concerning a logical unit number (LUN) from a first host, wherein the Mode Select command defines control information and host identifier information concerning the first host, and the LUN is currently being controlled by a second host. The Mode Select command is processed to determine if the control information and host identifier information included within the Mode Select command signifies an intent by the first host to seize control of the LUN from the second host. If the control information and host identifier information signifies an intent to seize control of the LUN from the second host, the control information and host identifier information included within the Mode Select command is written to a buffer associated with the LUN, wherein the buffer includes a control field and a globally unique identifier (GUID) field.
摘要翻译： 一种用于从第一主机接收关于逻辑单元号（LUN）的模式选择命令的方法，计算机程序产品和计算系统，其中所述模式选择命令定义关于所述第一主机的控制信息和主机标识符信息，并且所述LUN是 目前由第二主机控制。 模式选择命令被处理以确定模式选择命令中包括的控制信息和主机标识符信息是否表示第一主机意图从第二主机获取对LUN的控制。 如果控制信息和主机标识符信息表示意图从第二主机获取对LUN的控制，则将包含在模式选择命令内的控制信息和主机标识符信息写入到与LUN相关联的缓冲器中，其中缓冲器包括 控制字段和全局唯一标识符（GUID）字段。
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公开(公告)号：US08874799B1
公开(公告)日：2014-10-28
申请号：US13436911
申请日：2012-03-31
IPC分类号： G06F3/00
CPC分类号： G06F12/0891 , G06F3/061 , G06F3/0659 , G06F3/0665 , G06F3/067 , G06F3/0689 , G06F12/0873 , G06F2212/1016
摘要： A method, computer program product, and computing system for receiving a Mode Select command concerning a single LUN from each of a plurality of potential hosts. Each Mode Select command defines control information and host identifier information concerning the potential host associated with the Mode Select command. The received Mode Select commands are processed serially and in accordance with the order in which the Mode Select commands were received. The first Mode Select command received is accepted and subsequent Mode Select commands received are rejected, thus defining an accepted Mode Select command and one or more rejected Mode Select commands. The control information and host identifier information included within the accepted Mode Select command are written to a buffer associated with the single LUN. The buffer includes a control field and a GUID field.
摘要翻译： 一种用于从多个潜在主机中的每一个接收关于单个LUN的模式选择命令的方法，计算机程序产品和计算系统。 每个模式选择命令定义与模式选择命令相关的潜在主机的控制信息和主机标识符信息。 接收的模式选择命令按照接收到模式选择命令的顺序进行串行处理。 接收到的第一个模式选择命令被接受，并且接收的后续模式选择命令被拒绝，从而定义接受的模式选择命令和一个或多个拒绝的模式选择命令。 包含在接受的模式选择命令中的控制信息和主机标识符信息被写入与单个LUN相关联的缓冲器。 缓冲区包括控制字段和GUID字段。
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