...
- When add a resource from a group name, select a group → right click → 'Add Resource'. Select 'SharedDisk DR' "Add Resource". Or select "Edit(E)" from the main menu bar → select "Add Resource". Or select "Add Resource" icon from the tool bar.
- Select "SharedDisk DR" from Resource Type lists and click 'the "Next' " button.
Enter the resource name and select mirror volume of shared disk in the cluster.
[Figure] Shared Disk DR Resource AddedTo check configuration information on a remote host which has not been clustered, Click the "추가 정보"를 클릭하여 클러스터링되지 않은 원격지 호스트의 구성 정보를 확인합니다More Information" button.
[Figure] Shared Disk DR Additional Setting
공유 디스크 DR 리소스 추가 완료 버튼을 누르면 아래와 같은 경고창이 출력됩니다.
선택한 서버가 소스서버가 맞는지 다시 한번 확인합니다.
잘못 설정했다면 '취소' 버튼을 누르고 다시 설정합니다.
[그림] 공유 디스크 DR 리소스 추가 완료 버튼을 클릭 했을 때 출력되는 경고창
완료 버튼을 클릭하면 공유 디스크 DR 리소스가 추가 됩니다- The DR resource of the shared disk is added after clicking the "Finish" button.
Deleting
| Info |
|---|
※ Shared DR(SDR), Mirrored DR(MDR) 인경우 실제 DRBD에 의한 복제구성은 삭제 할수 없습니다. |
해당 리소스 선택 -> 마우스 우 클릭 -> 리소스 삭제를 선택합니다.
...
How to explained in this section indicates deleting the monitoring item on MCCS, it is not available to delete configuration of the SDR(Shared DR) or MDR(Mirrored DR) which is being replicated by DRBD. |
Select "Resource type" → right click → delete resource.
- Click the "Delete resource" button and a confirming message about deleting resource will appear.
[그림] 리소스 확인 화면
확인을 클릭하면 모두 삭제 됩니다Figure] Resource confirm screen - Click the "OK" button and mirror disk is deleted. The deleted resource will immediately disappear from the management web console.
State
The following table explains the state of shared disk DR resource.
| State | Agent command | Description | Note |
|---|---|---|---|
Online Source(Primary) disk is accessible to read/write. | Offline | 복제 상태를 Secondary로 변경합니다Changes the current replication state to the Secondary. ※ 최종적으로 복제구성을 DOWN 합니다 It indicates that the replication configuration is downed. | |
| Monitoring | <소스 볼륨> <타깃 볼륨> ※ 복제구성이 DOWN됨 상태임을 확인 합니다<Source Volume> Checks if the replication state is Primary and if the data state is UptoDate. <Target Volume> Checks if the replication state is Secondary. ※ It indicates that the replication configuration is downed. | ||
Offline 온라인, 장애 상황을 제외한 상황은 모두 오프라인 상태입니다Almost all of states are shown as offline state except for online or error. | Online | ※ 최우선적으로 복제구성을 up 합니다. 복제 상태를 Primary로 변경합니다. Changes the current replication state to the Primary. ※ It indicates that the replication configuration is upped. | |
| Monitoring | Refer to the description of monitoring as above. | ||
Fault | Online | Refer to the above online command. | |
| Offline | 위에 오프라인명령 설명 참조Refer to the Description of the Offline above. |
Attribute
Show the specified attribute of mirror disk resource.
Attribute | Description | Type | Default | Edit | Note |
| ChkDsk | If this is set to true, it perform the check disk command when the mirror disk is taken online. Before perform this, the mirroring will be automatically paused and this will be resumed after this is completed. | BOOLEAN | false | O | |
| 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 | /F | O | |
| ChkDskTimeout | It is timeout limit to complete or stop the check disk of mirror disk before attaching the disk . If value is '0', MCCS waits to complete the check disk before attaching the disk. | INTEGER | 120초 | O | |
| DirtyBit | There are dirty bits in the source disk. When changed block isn't transmitted to the target disk, this is marked on the block. | BOOLEAN | false | X | |
| Resource | Displays the name managed by DRBD | STRING | X | ||
| Connection | Display the status of connection between the mirror disk's nodes. | STRING | X | ||
| Replication | Display the status of replication between the mirror disk's nodes. | STRING | X | ||
| Disk | It is the volume letter actually used by mirror disk. |
| Displays a drive letter on Windows and device's path on Linux. | STRING | X | |||
| DiskState | Display the status of disk managed by the mirror disk. | STRING | X | ||
| Role | Display the disk role (Primary or Secondary) of the node. | STRING | X | ||
| OutOfSync |
Displays whether there is a value of Out Of Sync |
그러므로 값이 true일 경우 페일오버를 금지합니다
which needs synchronization. In case it is, the value is true and it also indicates that there is data that synchronization or replication between nodes has not finished. Therefore, failover will be blocked out in case of the true value. | BOOLEAN | false | X | ||
| Port | It is the communication port number used for mirror disk. | INTEGER | 7789 | X | |
| Address | It is an IP address used by mirror disk. | STRING | X | ||
| Device | This is a virtual device name |
GI
| used |
| by |
| mirror disk |
| . |
| STRING | X | ||||
| MetaDisk | It is the disk where meta data is saved. | STRING | X | ||
| Protocol | It displays mirror type. A = Async mode B = Semi sync mode C = Sync mode | STRING | B | X |
※ DR 호스트의 정보는 각 속성에 DR 호스트 이름으로 개별 표시 됩니다.
...
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 |
|---|
Information on a DR host displays on each attribute as its DR host name. |
| Info |
|---|
An attribute value indicates the value input when its resource is registered, it can be changed or checked through the "Specified Attribute" item. |
| Info |
|---|
MCCS 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. |