Launch Configuration

To create an Auto-Scaling Group, you need to create a Launch Configuration in advance.

Creating a Launch Configuration

You can create a Launch Configuration service on the Samsung Cloud Platform Console and use it.

To create a Launch Configuration, follow these steps:

1. Click All Services > Compute > Virtual Server menu. It moves to the Service Home page of Virtual Server.

2. Click the Launch Configuration menu. It moves to the Launch Configuration list page.

3. Click the Create Launch Configuration button on the Launch Configuration list page. It moves to the Create Launch Configuration page.

4. Select the required information in the Image and Version Selection section of the Create Launch Configuration page and click the Next button.

   Note

   The images that can be selected in the Launch Configuration are as follows: Virtual Server OS Image Provided Version.

5. Enter the required information in the Service Information Input section of the Create Launch Configuration page.

   Category	Required	Description
   Launch Configuration Name	Required	The name of the Launch Configuration A name to distinguish the Launch Configuration
   Service Type > Server Type	Required	The server type of the Launch Configuration Standard: Standard specifications commonly used High Capacity: Server specifications with higher capacity than Standard Refer to Virtual Server Server Type for the available server types
   Block Storage	Required	Block Storage settings according to the purpose of the Launch Configuration Basic OS: The area where the OS is installed and used The capacity is entered in Units, and the minimum capacity varies depending on the OS image type Alma Linux: Enter a value between 2 and 1,536 Oracle Linux: Enter a value between 5 and 1,536 RHEL: Enter a value between 2 and 1,536 Rocky Linux: Enter a value between 2 and 1,536 Ubuntu: Enter a value between 1 and 1,536 Windows: Enter a value between 4 and 1,536 SSD: High-performance general volume HDD: General volume SSD/HDD_KMS: Additional encrypted volume using Samsung Cloud Platform KMS (Key Management System) encryption key Encryption can only be applied when created, and cannot be changed after creation Using the SSD_KMS disk type may cause performance degradation Add: Additional user space outside the OS area Select Use and enter the storage type and capacity Click the + button to add storage, and click the x button to delete (up to 25 can be added) Capacity is entered in Units, and enter a value between 1 and 1,536 1 Unit is 8GB, so 8 to 12,288GB is created SSD: High-performance general volume HDD: General volume SSD/HDD_KMS: Additional encrypted volume using Samsung Cloud Platform KMS (Key Management System) encryption key Encryption can only be applied when created, and cannot be changed after creation Using the SSD_KMS disk type may cause performance degradation SSD_MultiAttach: Volume that can be connected to two or more servers For more information on Block Storage types, refer to Creating Block Storage
   Keypair	Required	Select the authentication method for the Launch Configuration Server authentication information to access the server created by creating an Auto-Scaling Group with the Launch Configuration Create New: Create a new Keypair if needed Refer to Creating a Keypair for how to create a new Keypair Default access account list by OS Alma Linux: almalinux RHEL: cloud-user Rocky Linux: rocky Ubuntu: ubuntu Windows: sysadmin

   Table. Launch Configuration Service Information Input Items

6. Enter the information in the Additional Information Input section of the Create Launch Configuration page and click the Next button.

   Category	Required	Description
   Init Script	Optional	Script that runs when the server starts using the Launch Configuration Enter within 45,000 bytes The Init Script must be a batch script for Windows or a shell script or cloud-init for Linux, depending on the selected image.
   Tag	Optional	Add a tag Up to 50 tags can be added per resource Click the Add Tag button, enter the Key and Value, or select them

   Table. Launch Configuration Additional Information Input Items

7. Check the input information and estimated cost on the Create Information Confirmation page, and click the Complete button.

   • After creation is complete, check the created Launch Configuration on the Launch Configuration list page.

Checking Launch Configuration Details

The Launch Configuration service allows you to check the overall resource list and detailed information, and modify it. The Launch Configuration details page consists of Details, Tags, and Work History tabs.

To check the Launch Configuration details, follow these steps:

1. Click All Services > Compute > Virtual Server menu. It moves to the Service Home page of Virtual Server.
2. Click the Launch Configuration menu. It moves to the Launch Configuration list page.
3. Click the resource to check the details on the Launch Configuration list page. It moves to the Launch Configuration details page.
   • The top of the Launch Configuration details page displays status information and additional feature information, and consists of Details, Tags, and Work History tabs.

Details

You can check and modify the detailed information of the selected resource on the Launch Configuration list page.

Tags

You can check the tag information of the selected resource on the Launch Configuration list page, and add, change, or delete it.

Work History

You can check the work history of the selected resource on the Launch Configuration list page.

Deleting a Launch Configuration

You can reduce operating costs by deleting unused Launch Configurations. However, deleting a Launch Configuration may immediately stop the operating service, so you should consider the impact of stopping the service before proceeding with the deletion.

To delete a Launch Configuration, follow these steps:

1. Click All Services > Compute > Virtual Server menu. It moves to the Service Home page of Virtual Server.
2. Click the Launch Configuration menu. It moves to the Launch Configuration list page.
3. Click the resource to delete on the Launch Configuration list page. It moves to the Launch Configuration details page.
4. Click the Delete Launch Configuration button.
5. After deletion is complete, check that the resource has been deleted on the Launch Configuration list page.