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Resource group refers to the group of resource that failover when a failure occurs. 
MCCS is executes failover between nodes in group unit.
Therefore, resource should be created in groups to be failover.

Also, more than one group can be created in one cluster.  

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Warning

When click ESC key while creating group, group creation process is cancelled.
Therefore, please note not to press ESC key when proceed with group creation wizard.

Adding Resource Group

  1. To add a group, select 'group name → right click → Add Group' from configuration tree.
    Or select 'Edit(E) → Add Group' from main menu.
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그룹 등록을 선택하면 초기 그룹 등록 화면이 나타납니다. 
그룹 등록 초기 화면에서 그룹의 이름을 입력하고 운영 대상 노드를 왼쪽 창에서 오른쪽 창으로 이동 합니다.

 

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운영 대상 노드를 한 노드만 선택하면 싱글노드 그룹을 생성할 수 있습니다.
선택시 그룹은 장애시 페일오버 할 수 없습니다.

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  1. Figure] Group Registration


  2.  

    If you select to register a group, you will see the initial group registration screen.
    In the initial group registration screen, enter a group name and move the operation target node from the left window to the right window.

     

    Info

    If you select only one operation target node, then you can create a single node group.
    If you select this option, a group is not able to perform failover in case of trouble.

    (If you have selected a single node cluster in the installation program, only one node will be displayed as an available node.)

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  1. Figure] Operation Target Node Selection


  2. Click Additional Settings to choose group mode as failover or parallel.
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    [Figure] Additional Settings View

     

    Info
    Failover group failover from active to standby node when failure occurs. 
    Parallel group is configured with the resources that can be executed on more than 2 nodes at the same time. Parallel group does not support failover, but restart the service when it is failed in local node.

그룹의 정책을 지정하고 애플리케이션을 구성합니다.
각 리소스 추가 방법은 아래 링크를 참조 하십시오. 
"7.4 복합 응용 리소스"에서 복합응용 추가 참조. 
"7.3 기본 응용 리소스"에서 기본응용 추가 참조. 
"7.7 원도우 서비스 리소스"에서 원도우 서비스 리소스 추가 참조.   

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  1. Designate a group policy and configure an application.
    For more on how to add each resource, refer to the below link.
    Refer to the descriptions of adding complex applications in "7.4 Complex Application Resource."
    Refer to the descriptions of adding basic application in "7.3 Basic Application Resource."
    Refer to the descriptions of adding Windows service resource in "7.7 Windows Service Resource."

    Info

    If there is something wrong with the resource added, you can press the X mark to delete it.
    You can change the starting/terminating order of added resources by pressing the arrow icon.


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    [Figure] Initial Configuration Application View

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각 리소스 추가 방법은 아래 링크를 참조 하십시오. 
"7.1 네트워크 카드 리소스"에서 네트워크 카드 추가 참조.
"7.2 네트워크 주소 리소스"에서 네트워크 주소 추가 참조.
"7.2 가상이름 리소스"에서 가상이름 추가 참조. 

 

Warning

IP 리소스 사용 시 반드시 네트워크 어댑터 리소스가 정의 되어야 합니다.

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[그림] 네트워크 구성 화면

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  1.  Configure the network related resource.

    For more on how to add each resource, refer to the below link.
    Refer to the descriptions of adding network card in “7.1 Network Card Resource."
    Refer to the descriptions of adding a network address in "7.2 Network Address Resource."
    Refer to the descriptions of adding a virtual name in "7.2 Virtual Name Resource."

     

    Warning

    Before you can use the IP resource, you must define the network adaptor resource.

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    [Figure] Network Configuration



  2. Configure the disk related resource.
    For more on how to add each resource, refer to the below link.
    Refer to the descriptions of adding shared disk resources in "7.5 Shared Disk Resource."
    Refer to the descriptions of adding SCSI reservation resource in "7.9 SCSI Reservation Resource."
    Refer to the descriptions of adding mirror disks in "7.6 Mirror Disk Resource."
    Refer to the descriptions of adding VxDG resource in "7.10 VxDG Resource".
    Refer to the descriptions of adding shared disk DR resource in "7.11 Shared Disk DR Resource."
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    [Figure] Adding Disk Resource Completed

  3. Once you have configured all the resources, it will suggest a dependency recommended by MCCS.
    If you want to change the dependency, select the Dependency tool in the right tab and change it.
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    [Figure] Dependency Modification

  4. After creating the dependency, check the details of the group configuration information and press the 'Finish' button to create a group.
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    [    Figure] Group Detailed Information View

 

Deleting

To delete group, check the online state of the group first. If there are online group, the resources should be terminated or deleted. 

  1. To delete group, select Select Group - Right Click - Delete Group. 

  2. If one or more than one of the resources is online state, a message shown below will appear.
    When this happens, offline the group first before deleting it. 
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    [Figure] Warning message of deleting group
     

  3. If the mirror disk is included in the group, a message asking if replication program of mirror disk will be deleted as well. 

    Info

    if you click "OK" button, replication program is deleted as well. Press "Cancel" button if you do not wish to delete replication program. 

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    [Figure] Deleting Mirror Disk View