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When removing MCCS, removal is done for both MCCS and also MVL. To remove it completely. Execute 'unistall.bat of the bin' %MCCS_HOME%\bin\DiskAgent.

Warning

※ Recommendations Recommendations for installation and uninstallation
MVL is a legacy kernel filter driver. Thus, you must first run the install.bat / uninstall.bat file provided by MCCS and reboot the system.

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  1. When add a resource from a group name, select a group → right click → '"Add Resource'". Or select "Edit(E)" from the main menu bar → select '"Add Resource'". Or select '"Add Resource' " icon from the tool bar.
  2. Select '"SharedDisk' " from Resource Type lists and click 'the "Next' " button. When add a resource from the SharedDisk resource type name, this step will be skipped.

  3. Enter the resource name and select driver letter.

    Warning

    When you select a drive letter, all of driver letters of the node will be displayed. Please note that do not select the driver letter of none shared storage.


    [Figure] Adding shared disk resource


  4. As the "Additional Settings" button, you can select check disk option. 
    To use this option, select Use and enter check disk argument. (Default is /F) and click 'the "OK' " button.
     
    [Figure] Defining check disk option


  5. Click 'the "Finish' " button to add the shared disk resource. 

Deleting

Select resource "Resource type" → right click → delete resource.

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The following table explains the state of shared disk resource. 

공유 디스크 에이전트: MCCS 에 등록된 공유 디스크를 관리합니다. Shared disk agent: Manages shared disks registered for MCCS.

MVL과 임시 텍스트 파일을 생성하여 볼륨에 쓰기 접근이 가능한지를 감시합니다MVL을 사용하여 디스크에 일기 및 쓰기를 불가능하게 합니다
StateAgent commandDescriptionNote

Online

The volume is unlocked and is accessible.

Offline

MVL을 사용하여 디스크에 읽기 및 쓰기를 불가능하게 합니다.

Monitoring

Disables to read or write on a disk by MVL.


Monitoring

Detects whether access for writing to the volume is available or not, by creating MVL and a temporary text file.


Offline

The volume is locked and is not accessible to read/write.

Online

MVL을 사용하여 디스크에 읽기 및 쓰기를 가능하게 합니다.

Monitoring

MVL과 임시 텍스트 파일을 생성하여 볼륨에 쓰기 접근이 가능한지를 감시합니다.

Fault

The disk is unavailable due to errors caused by external factors or failure while it is online.

볼륨이 온라인 상태지만 외부적인 요인으로 문제가 발생하여 쓰기가 불가능한 상태입니다.
외부 명령 또는 다른 드라이버에 의해 볼륨에 대한 접근이 차단되거나
FC 연결 또는 SAN 스위치 등 스토리지와의 물리적인 연결 문제로 장애가 발생할 수 있습니다.

OnlineMVL을 사용하여 디스크에 읽기 및 쓰기를 가능하게 합니다.
Offline

Enables to read or write on a disk by MVL.


Monitoring

Detects whether access for writing to the volume is available or not, by creating MVL and a temporary text file.


Fault

It indicates that it is unable to write on a volume because external conditions has caused some problem although the volume is online.

The problem may occur by the followings: deactivating access to a volume because of external commands or other drivers,

or error of physical connection with storages such as FC or SAN switches.

OnlineEnables to read or write on a disk by MVL.
OfflineDisables to read or write on a disk by MVL.

 

Attribute

Show the specified attribute of shared disk resource.

Attribute

Description

TypeDefaultEditNote

Chkdsk

If this is set to true, it perform the check disk command when the shared disk is taken online.

BOOLEANfalseO

ChkdskArg

It defines check disk command option when Chkdsk is true.
/F: Modifies the error in the disk.
/R: Recovers the information of damaged sector. (Including /F)

STRING/FO
DirtyBit대상 볼륨에 Dirtybit가 설정되어 있음을 의미합니다. 일반적으로 대상 볼륨에 무결성 검사가 필요 할 경우 시스템에 의해 설정됩니다It indicates that Dirtybit has been set on a volume for the DirtyBit. Typically, system may apply this setting for inspecting the volume to secure integrity.BOOLEANfalseX

DriveLetter

It is driver letter of the shared disk.

STRING
O
forceUmountIf it is set to true, the shared disk will be forcefully unmounted when it is taken offline even tough it has been used.BOOLEANfalseO
IOTestIf it's set to true, agent checks if disk is writable.
BOOLEANtrueO

Specified attribute values are normally entered when add the resource, This value can be edited or viewed through 'Specified Attribute' table in the Resource Attributes tab on the detailed information panel.


Info

MCCS 는 사용자의 입력필드에 대한 입력값 제한 기능이 존재하며, 사용자가 잘못 입력한 데이터에 대해 자동 점검기능을 제공합니다 has function to limit input values against user's input field, and it provides function detects automatically data which is input wrong by user's mistake.