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    REGAINING REDUNDANCY IN DISTRIBUTED RAID ARRAYS USING UNALLOCATED CAPACITY
    61.
    发明申请
    REGAINING REDUNDANCY IN DISTRIBUTED RAID ARRAYS USING UNALLOCATED CAPACITY 有权

    公开(公告)号：US20170308436A1

    公开(公告)日：2017-10-26

    申请号：US15134490

    申请日：2016-04-21

    Applicant: International Business Machines Corporation

    Inventor： John P. Agombar ,  Ian Boden ,  Gordon D. Hutchison ,  Lee J. Sanders

    IPC: G06F11/10 ,  G06F11/16

    CPC classification number: G06F11/1092 ,  G06F11/1088 ,  G06F11/1666 ,  G06F2201/845

    Abstract: A method and system are provided for spare capacity usage for critical redundancy in storage arrays. The method may include monitoring a Redundant Array of Independent Disks (RAID) array to determine whether one or more redundancy units are at a critical level. A redundancy unit may be in a critical level when an additional drive failure will result in loss of data from the redundancy unit. The method may further include identifying available regions in the RAID array which are not allocated to user data in response to determining that a particular redundancy unit is critical. The method may further include determining an available region for the particular redundancy unit, where the available region is in a drive of the RAID array that does not contain data of the particular redundancy unit. The method may further include storing a critical stripe in the available region.

    SYSTEM AND METHOD FOR ERROR DETECTION IN A CRITICAL SYSTEM
    65.
    发明申请
    SYSTEM AND METHOD FOR ERROR DETECTION IN A CRITICAL SYSTEM 有权

    公开(公告)号：US20170083392A1

    公开(公告)日：2017-03-23

    申请号：US14945861

    申请日：2015-11-19

    Applicant: FREESCALE SEMICONDUCTOR, INC.

    Inventor： Grigore G. Lupescu

    IPC: G06F11/07

    CPC classification number: G06F11/079 ,  G06F9/50 ,  G06F11/0706 ,  G06F11/0751 ,  G06F11/1497 ,  G06F11/1641 ,  G06F11/2043 ,  G06F2201/845

    Abstract: A system includes a processor having first and second processing units and a memory coupled to the processor. The memory includes processor executable code to implement an application to execute a first process to provide first application output information and to execute a second process to provide second application output information, a selector to provide a first indication that the first process is a critical process and a second indication that the second process is a non-critical process, and an application program interface (API) to run on the first processing unit. The API directs the processor to run the application on the second processing unit, executes the first process to provide first API output information in response to the first indication; determines if the first application output information matches the first API output information, and determines to not execute the second process in response to the second indication.

    MANAGEMENT SYSTEM OF SERVER SYSTEM INCLUDING A PLURALITY OF SERVERS
    68.
    发明申请
    MANAGEMENT SYSTEM OF SERVER SYSTEM INCLUDING A PLURALITY OF SERVERS 有权
    服务器系统的管理系统，包括服务器的多样性

    公开(公告)号：US20160314050A1

    公开(公告)日：2016-10-27

    申请号：US15025169

    申请日：2014-01-16

    Applicant: HITACHI, LTD.

    Inventor： RAI CHO ,  Jun NAKAYAMA

    IPC: G06F11/20

    CPC classification number: G06F11/2023 ,  G06F11/16 ,  G06F11/20 ,  G06F11/2041 ,  G06F11/2046 ,  G06F2201/845

    Abstract: For each of N active servers (N being an integer equal to or larger than 2), a management system performs, on at least one of M standby servers (M being an integer equal to or larger than 2), a full test for determining whether a failover is executable by performing a failover from the active server to the standby server, and performs, on at least one of the standby servers that is different from the standby server on which the full test is performed, a simplified test for determining whether the failover is executable without performing the failover from the active server to the standby server, the number of standby servers on which the simplified test is performed being larger than the number of standby servers on which the full test is performed.

    Abstract translation: 对于每个N个活动服务器（N是等于或大于2的整数），管理系统在M个备用服务器（M为等于或大于2的整数）中的至少一个上执行用于确定的完整测试 是否通过执行从活动服务器到备用服务器的故障切换来执行故障切换，并且在至少一个不同于执行完整测试的备用服务器的备用服务器之间执行简化的测试，以确定是否 故障转移可执行，而不执行从活动服务器到备用服务器的故障转移，执行简化测试的备用服务器数量大于执行完整测试的备用服务器数量。

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