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公开(公告)号：EP2718837B1
公开(公告)日：2017-11-22
申请号：EP12796591.1
申请日：2012-05-29
CPC分类号： G06F17/30165 , G06F17/30174 , G06F17/30203
摘要： A cluster based file service may operate on a cluster of two or more independent devices that have access to a common data storage. The file service may have a namespace definition with each device in the cluster, but may be modified by any device operating the file service. Each instance of the file service may identify and capture a command that changes the namespace structure and cause the change to be propagated to the other members of cluster. If one of the devices in the cluster does not successfully perform an update to the namespace structure, that device may be brought offline. The cluster based file service may permit adding or removing devices from the cluster while the file service is operating, and may provide a high throughput and high availability file service.
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12.发明公开
公开(公告)号：EP3180693A1
公开(公告)日：2017-06-21
申请号：EP15750599.1
申请日：2015-08-09
发明人： KUMAR, Abhinit , D'AMATO, Andrea , DION, David Allen , NISHANOV, Gor , KOPPOLU, Lokesh Srinivas , MALIWACKI, Nicholas
CPC分类号： H04L67/10 , G06F9/4856 , G06F9/5083 , G06F9/5088 , H04L41/0654 , H04L43/0817 , H04L43/0823 , H04L43/0876 , H04L43/10
摘要： Embodiments are directed to communicating between computing nodes in a cluster of nodes. In one scenario, a computer system receives a data packet from a worker node including the worker node's current workload identifiers and health status, where the data packet includes an associated version number. The computer system determines that the version number in the received data packet is different than a previously received data packet and evaluates the worker node's current workload configuration to determine whether workload changes are to be made on the worker node. Then, upon determining that workload changes are to be made on the worker node, the computer system selects a subset of workload changes to apply to the worker node, generates an indication of the selected subset of workload changes to the worker node and sends the generated indication of workload changes to the worker node.
摘要翻译： 实施例针对在节点簇中的计算节点之间的通信。 在一种情况下，计算机系统从工作者节点接收包括工作者节点的当前工作负载标识符和健康状态的数据分组，其中数据分组包括相关联的版本号。 计算机系统确定接收到的数据分组中的版本号与先前接收到的数据分组不同，并且评估工作者节点的当前工作负载配置以确定是否将在工作者节点上做出工作负载改变。 然后，在确定将在工作者节点上做出工作负载改变时，计算机系统选择应用于工作者节点的工作负载改变的子集，产生对工作者节点的工作负载改变的所选子集的指示，并发送所生成的 指示工作人员节点的工作量变化。
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公开(公告)号：EP2820549B1
公开(公告)日：2017-04-19
申请号：EP13755733.6
申请日：2013-02-13
CPC分类号： G06F17/30091 , G06F3/0604 , G06F3/0617 , G06F3/0631 , G06F3/067 , H04L67/1097
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14.发明公开
公开(公告)号：EP3005070A1
公开(公告)日：2016-04-13
申请号：EP14733828.9
申请日：2014-05-27
IPC分类号： G06F3/06
CPC分类号： H04L67/1097 , G06F3/0622 , G06F3/0632 , G06F3/0637 , G06F3/067 , G06F21/78
摘要： Embodiments provide a method and system for enabling access to a storage device. Specifically, a node may request admittance to a cluster that has read and write access to a storage device. The node seeking access to the storage device must be first be approved by other nodes in the cluster. As part of the request, the node seeking access to the storage device sends a registration key to a storage device. Upon expiration of a registration timer, the node seeking access to the storage device receives a registration table from the storage device and determines whether its registration key is stored in the registration table. If the registration key is stored in the registration table the node has been accepted in the cluster and as a result, has been granted read and write access to the storage device.
摘要翻译： 实施例提供了一种用于允许访问存储设备的方法和系统。 具体来说，节点可以请求导入到具有对存储设备的读和写访问权限的集群。 寻求访问存储设备的节点必须首先被群集中的其他节点批准。 作为请求的一部分，寻求对存储设备的访问的节点向存储设备发送注册密钥。 在注册定时器到期时，寻求对存储设备的访问的节点从存储设备接收注册表，并确定其注册密钥是否存储在注册表中。 如果注册密钥存储在注册表中，则节点已经在集群中被接受，结果被授予对存储设备的读写访问权限。
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公开(公告)号：EP2972874A1
公开(公告)日：2016-01-20
申请号：EP14718225.7
申请日：2014-03-11
发明人： D'AMATO, Andrea , SHANKAR, Vinod R.
IPC分类号： G06F11/14
CPC分类号： G06F11/1458 , G06F11/1469 , G06F11/1484 , G06F2201/825 , G06F2201/84
摘要： The targeted recovery of application-specific data corresponding to an application without performing recovery of the entire volume. The recovery is initiated by beginning to copy the prior state of the content of an application-specific data container from a prior snapshot to the application-specific data container in an operation volume accessible by the application. However, while the content of the application-specific data container is still being copied from the snapshot to the application-specific data container, the application is still permitted to perform read and write operations on the application-specific data container. Thus, the application-specific data container appears to the application to be fully accessible even though recovery of the content of the application-specific data container is still continuing in the background.
摘要翻译： 有针对性地恢复对应于应用程序的应用程序特定数据，而不执行恢复整个卷。 通过开始将应用程序特定数据容器的内容的先前状态从先前的快照复制到应用程序可访问的操作卷中的应用程序特定的数据容器来启动恢复。 然而，虽然应用程序专用数据容器的内容仍然从快照复制到应用程序特定的数据容器，但仍然允许应用程序对应用程序特定的数据容器执行读写操作。 因此，即使应用程序特定的数据容器的内容的恢复在后台仍在继续，应用程序看来应用程序特定的数据容器也可以完全访问。
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公开(公告)号：EP3335397B1
公开(公告)日：2020-02-26
申请号：EP16754641.5
申请日：2016-08-15
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公开(公告)号：EP3005070B1
公开(公告)日：2018-02-14
申请号：EP14733828.9
申请日：2014-05-27
CPC分类号： G06F3/0622 , G06F3/0632 , G06F3/0637 , G06F3/067 , G06F21/78 , H04L63/083 , H04L63/10 , H04L67/1097
摘要： Embodiments provide a method and system for enabling access to a storage device. Specifically, a node may request admittance to a cluster that has read and write access to a storage device. The node seeking access to the storage device must be first be approved by other nodes in the cluster. As part of the request, the node seeking access to the storage device sends a registration key to a storage device. Upon expiration of a registration timer, the node seeking access to the storage device receives a registration table from the storage device and determines whether its registration key is stored in the registration table. If the registration key is stored in the registration table the node has been accepted in the cluster and as a result, has been granted read and write access to the storage device.
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公开(公告)号：EP3175348A1
公开(公告)日：2017-06-07
申请号：EP15748380.1
申请日：2015-07-24
IPC分类号： G06F3/06
摘要： A system is configured to use a de-randomizer and budget data structure to economize I/O operations for a shared storage device while still allowing access to the device to a number of different entities. Embodiments can identify a comparatively low cost next operation as compared to other I/O operations, including a cost for seek time, for a first entity to dispatch to the storage device when the first entity has sufficient budget to have the I/O operation performed on its behalf and to identify an I/O operation for a second entity to dispatch to the storage device when there is insufficient budget for the first entity.
摘要翻译： 系统被配置为使用去随机化器和预算数据结构来节约共享存储设备的I / O操作，同时仍然允许将设备访问到多个不同的实体。 当第一实体具有足够的预算以执行I / O操作时，实施例可以识别与第一实体向存储设备分派的其他I / O操作（包括搜寻时间的成本）相比相对较低成本的下一操作 并且当第一实体的预算不足时识别第二实体向存储设备分派的I / O操作
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