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    Priming failover of stateful offload adapters
    83.
    发明授权
    Priming failover of stateful offload adapters 有权
    启动状态卸载适配器的故障转移

    公开(公告)号：US09286171B2

    公开(公告)日：2016-03-15

    申请号：US14103937

    申请日：2013-12-12

    申请人： International Business Machines Corporation

    发明人： Omar Cardona ,  Matthew R. Ochs ,  Vikramjit Sethi

    IPC分类号： G06F11/00 ,  G06F11/20 ,  G06F15/173

    CPC分类号： G06F11/203 ,  G06F11/1658 ,  G06F11/2005 ,  G06F11/2033 ,  G06F15/17331

    摘要： Mechanisms, in a data processing system comprising a first adapter and second adapter, for performing a failover operation from the first adapter to the second adapter are provided. The mechanisms detect that an imminent failure of the first adapter is likely to occur and initiate a failover priming operation in the first adapter and second adapter in response to detecting the imminent failure. The failover priming operation configures ingress and egress buffers of the second adapter to have a similar configuration to ingress and egress buffers of the first adapter. The mechanisms migrate processing of ingress data traffic to the second adapter prior to failure of the first adapter such that the first adapter processes egress data traffic from the data processing system and the second adapter processes ingress data traffic to the data processing system.

    摘要翻译： 提供了在包括第一适配器和第二适配器的数据处理系统中用于执行从第一适配器到第二适配器的故障转移操作的机制。 这些机制检测到可能发生第一适配器即将发生的故障，并响应于检测到即将发生的故障，在第一适配器和第二适配器中启动故障转移启动操作。 故障转移启动操作将第二个适配器的入口和出口缓冲区配置为具有与第一个适配器的入口和出口缓冲区类似的配置。 这些机制在第一适配器故障之前将入口数据业务处理迁移到第二适配器，使得第一适配器处理来自数据处理系统的出口数据业务，并且第二适配器处理到数据处理系统的入口数据业务。

    PREVENTING MIGRATION OF A VIRTUAL MACHINE FROM AFFECTING DISASTER RECOVERY OF REPLICA
    85.
    发明申请
    PREVENTING MIGRATION OF A VIRTUAL MACHINE FROM AFFECTING DISASTER RECOVERY OF REPLICA 有权
    预防虚拟机的迁移影响复原的灾难恢复

    公开(公告)号：US20160062851A1

    公开(公告)日：2016-03-03

    申请号：US14473664

    申请日：2014-08-29

    申请人： VMWARE, INC.

    发明人： Giridharan SUGABRAHMAM ,  Ilia LANGOUEV ,  Aleksey PERSHIN

    IPC分类号： G06F11/14 ,  G06F9/455

    CPC分类号： G06F11/203 ,  G06F3/0647 ,  G06F9/45558 ,  G06F11/1471 ,  G06F11/1484 ,  G06F11/2048 ,  G06F11/2071 ,  G06F11/2097 ,  G06F2009/4557 ,  G06F2009/45575 ,  G06F2009/45591 ,  G06F2201/815 ,  G06F2201/82 ,  G06F2201/84

    摘要： To prevent a user from initiating potentially dangerous virtual machine migrations, a storage migration engine is configured to be aware of replication properties for a source datastore and a destination datastore. The replication properties are obtained from a storage array configured to provide array-based replication. A recovery manager discovers the replication properties of the datastores stored in the storage array, and assigns custom tags to the datastores indicating the discovered replication properties. When storage migration of a virtual machine is requested, the storage migration engine performs or prevents the storage migration based on the assigned custom tags.

    摘要翻译： 为防止用户启动潜在的危险虚拟机迁移，将存储迁移引擎配置为了解源数据存储和目标数据存储的复制属性。 从配置为提供基于数组的复制的存储阵列获取复制属性。 恢复管理器发现存储在存储阵列中的数据存储的复制属性，并将指定发现的复制属性的自定义标签分配给数据存储。 当请求虚拟机的存储迁移时，存储迁移引擎将根据分配的自定义标签执行或阻止存储迁移。

    OPTIMIZING PLACEMENT PLANS FOR HOST FAILURE IN CLOUD COMPUTING ENVIRONMENTS
    86.
    发明申请
    OPTIMIZING PLACEMENT PLANS FOR HOST FAILURE IN CLOUD COMPUTING ENVIRONMENTS 有权
    优化云计算环境中主机故障的放置计划

    公开(公告)号：US20160041857A1

    公开(公告)日：2016-02-11

    申请号：US14510150

    申请日：2014-10-09

    申请人： International Business Machines Corporation

    发明人： Pradipta K. Banerjee ,  Ashish Billore ,  Sudipta Biswas ,  Muthu A. Muthiah

    IPC分类号： G06F11/00 ,  G06F11/30 ,  G06F9/455

    CPC分类号： G06F11/203 ,  G06F9/45558 ,  G06F9/4856 ,  G06F11/004 ,  G06F11/3006 ,  G06F11/301 ,  G06F2009/4557 ,  G06F2201/815

    摘要： Embodiments of the present invention provide systems, methods, and computer program products for optimizing a placement plan. In one embodiment, a method is disclosed in which a request for registration with an external advisor is received. A time to live is received from each external advisor and used to determine an overall timeout period value for a placement engine. After receiving a predictive failure alert, internal and external advisors are ranked according to criteria and advice is received from the qualified advisors. A placement plan is generated based on the advice received from the advisors.

    摘要翻译： 本发明的实施例提供了用于优化放置计划的系统，方法和计算机程序产品。 在一个实施例中，公开了一种方法，其中接收到与外部顾问的注册请求。 从每个外部顾问接收到生存时间，并用于确定展示位置引擎的整体超时周期值。 内部和外部顾问在收到预测性故障警报后，按照标准进行排名，并从合格的顾问那里获得咨询。 根据顾问提供的建议，生成安置计划。

    Proactive Failure Recovery Model for Distributed Computing
    87.
    发明申请
    Proactive Failure Recovery Model for Distributed Computing 有权
    分布式计算的主动故障恢复模型

    公开(公告)号：US20160034362A1

    公开(公告)日：2016-02-04

    申请号：US14445369

    申请日：2014-07-29

    申请人： Saudi Arabian Oil Company

    发明人： Khalid S. Al-Wahabi

    IPC分类号： G06F11/20 ,  G06F11/07

    CPC分类号： G06F11/203 ,  G06F11/0721 ,  G06F11/0757 ,  G06F11/1407 ,  G06F11/1438 ,  G06F11/1461 ,  G06F11/1471 ,  G06F11/34

    摘要： This disclosure generally describes methods and systems, including computer-implemented methods, computer-program products, and computer systems, for providing a proactive failure recovery model for distributed computing. One computer-implemented method includes building a virtual tree-like computing structure of a plurality of computing nodes, for each computing node of the virtual tree-like computing structure, performing, by a hardware processor, a node failure prediction model to calculate a mean time between failure (MTBF) associated with the computing node, determining whether to perform a checkpoint of the computing node based on a comparison between the calculated MTBF and a maximum and minimum threshold, migrating a process from the computing node to a different computing node acting as a recovery node, and resuming execution of the process on the different computing node.

    摘要翻译： 本公开通常描述了用于为分布式计算提供主动故障恢复模型的方法和系统，包括计算机实现的方法，计算机程序产品和计算机系统。 一种计算机实现的方法包括为虚拟树状计算结构的每个计算节点构建多个计算节点的虚拟树状计算结构，由硬件处理器执行节点故障预测模型以计算平均值 基于所计算的MTBF与最大和最小阈值之间的比较，确定是否执行计算节点的检查点的时间（MTBF），将处理从计算节点迁移到不同的计算节点 作为恢复节点，并在不同的计算节点上恢复进程的执行。

    Run-To-Completion Thread Model for Software Bypass Fail Open for an Inline Intrusion Protection System
    90.
    发明申请
    Run-To-Completion Thread Model for Software Bypass Fail Open for an Inline Intrusion Protection System 有权
    用于软件旁路故障的运行到完成线程模型为内联入侵保护系统打开

    公开(公告)号：US20160011948A1

    公开(公告)日：2016-01-14

    申请号：US14330412

    申请日：2014-07-14

    申请人： International Business Machines Corporation

    发明人： Stuart John Macdonald

    IPC分类号： G06F11/20

    CPC分类号： G06F11/2028 ,  G06F11/1492 ,  G06F11/2023 ,  G06F11/203 ,  G06F11/2038 ,  G06F11/2048 ,  G06F2201/805 ,  H04L63/1416

    摘要： A processing-based bypass “fail open” mode is provided for an intrusion prevention system by a primary process running on a first logical core (lcore) is used as a control plane, which invokes bypass-open run-to-completion threads in other lcores comprising a bypass data plane, and which spawns a secondary process to fully configure intrusion prevention threads on other lcores to create an Intrusion Prevention System data plane. Upon a ready signal from the secondary process, the primary process quiesces such that the secondary process IPS data plane exclusively owns and executes on the other lcores.

    摘要翻译： 通过在第一个逻辑核心（lcore）上运行的主进程为入侵防御系统提供基于处理的旁路“故障打开”模式，作为控制平面，其中调用其他的旁路打开运行到完成线程 包括一个旁路数据平面，并产生一个辅助过程，以完全配置其他成功的入侵防御线程，以创建入侵防御系统数据平面。 在来自次级进程的就绪信号之后，主进程静止，使得二次进程IPS数据平面独占拥有并在其他分数上执行。