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    OBJECT INPUT/OUTPUT ISSUE DIAGNOSIS IN VIRTUALIZED COMPUTING ENVIRONMENT
    3.
    发明申请
    OBJECT INPUT/OUTPUT ISSUE DIAGNOSIS IN VIRTUALIZED COMPUTING ENVIRONMENT 有权

    公开(公告)号：US20220197568A1

    公开(公告)日：2022-06-23

    申请号：US17169551

    申请日：2021-02-08

    Applicant: VMware, Inc.

    Inventor： Yang YANG ,  Jin FENG ,  Haitao ZHOU ,  Jianrong ZHAO

    IPC: G06F3/06 ,  G06F11/34

    Abstract: An example method for diagnosing an input/output (I/O) issue associated with an object owned by the first host in a vSAN cluster is disclosed. The method includes identifying a first component and a second component of the object. In response to the first component being locally stored on the first host, the methods include collecting a first set of I/O aggregated statistic information. In response to the second component being remotely stored on the second host, the methods include issuing a command to the second host, obtaining a second set of I/O aggregated statistic information from the second host and network metrics associated with the first host and the second host. The methods include diagnosing the I/O issue associated with the object based on the first and second sets of I/O aggregated statistic information and the network metrics.

    OBJECT-BASED LOAD BALANCING APPROACHES IN DISTRIBUTED STORAGE SYSTEM
    6.
    发明申请
    OBJECT-BASED LOAD BALANCING APPROACHES IN DISTRIBUTED STORAGE SYSTEM 有权

    公开(公告)号：US20210224096A1

    公开(公告)日：2021-07-22

    申请号：US16820735

    申请日：2020-03-17

    Applicant: VMware, Inc.

    Inventor： Haitao ZHOU ,  Yang YANG ,  Zhaohui GUO ,  Jian ZHAO ,  Zhou HUANG ,  Jin FENG

    IPC: G06F9/455 ,  G06F3/06 ,  G06F13/42

    Abstract: One example method to perform object-based load balancing in a distributed storage system of a virtualization system supported by a cluster of host machines may include determining, by a first host machine in the cluster, whether any host machine in the cluster has affinity to a site. The method may also include determining, by the first host machine, whether to distribute affinity Internet small computer system interface (iSCSI) targets owned by the first host machine to at least the second machine based on a first balance objective associated with the site, and after having considered the first balance objective, determining, by the first host machine, whether to distribute iSCSI targets without affinity owned by the first host machine to other host machines in the cluster based on a second balance objective associated with the cluster.

    ROUTING TRAFFIC OF A LOGICAL UNIT TO MULTIPLE BACKEND DATA OBJECTS BASED ON METADATA MAPPING
    7.
    发明申请
    ROUTING TRAFFIC OF A LOGICAL UNIT TO MULTIPLE BACKEND DATA OBJECTS BASED ON METADATA MAPPING 有权

    公开(公告)号：US20210109862A1

    公开(公告)日：2021-04-15

    申请号：US16653548

    申请日：2019-10-15

    Applicant: VMware, Inc.

    Inventor： Yang YANG ,  Zhaohui GUO ,  Haitao ZHOU ,  Zhou HUANG ,  Jian ZHAO ,  Jin FENG

    IPC: G06F12/10 ,  G06F13/16

    Abstract: The disclosure herein describes enabling use of a logical unit for data storage in a distributed storage system using a plurality of backend data objects. Based on receiving instructions to create a logical unit of a logical unit size, a target backend object size to be used with the logical unit is determined, and a plurality of backend objects for allocation to the logical unit is calculated. The backend objects are allocated to the logical unit and a metadata mapping associated with the logical unit is generated. The metadata mapping associates logical block addresses of the logical unit to the allocated backend objects. The logical unit is linked with the metadata mapping in an input/output (I/O) service and, based on the linked metadata mapping, I/O traffic is routed to and from the logical unit. Using multiple backend objects enhances flexibility and efficiency of data storage on the distributed storage system.

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