Launch Configuration

To create an Auto-Scaling Group, a Launch Configuration must be created in advance.

Create Launch Configuration

You can create and use the Launch Configuration service in the Samsung Cloud Platform Console.

To create a Launch Configuration, follow these steps.

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

2. Click the Launch Configuration menu. Navigate to the Launch Configuration List page.

3. On the Launch Configuration list page, click the Create Launch Configuration button. You will be taken to the Create Launch Configuration page.

4. On the Launch Configurationp Creation page, in the Image and Version Selection area, select the required information and click the Next button.

   Reference

   Please refer to the server type in Virtual Server OS Image Provisioning Versions for images selectable in Launch Configuration.

5. Enter the required information in the Service Information Input area of the Launch Configurationp Creation page.

   Category	Required status	Detailed description
   Launch Configuration name	Required	Launch Configuration name Name used to distinguish the Launch Configuration
   Service Type > Server Type	Required	Launch Configuration server type Standard: Standard specifications commonly used High Capacity: Large-scale server specifications beyond Standard Refer to Virtual Server Server Type for selectable server types
   Block Storage	Required	Configure Block Storage according to the purpose of the Launch Configuration Basic OS: The area where the OS is installed and used Enter the size in Units, and the minimum size 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 keys Encryption can be applied only at initial creation and cannot be changed afterward Performance degradation occurs when using the SSD_KMS disk type Additional: Use when extra space beyond the OS area is needed After selecting Use, enter the storage type and size Click the + button to add storage, or the x button to delete (up to 25 can be added) Enter the size in Units, with a value between 1 and 1,536 Since 1 Unit equals 8 GB, this creates 8 GB to 12,288 GB SSD: High‑performance general volume HDD: General volume SSD/HDD_KMS: Additional encrypted volume using Samsung Cloud Platform KMS (Key Management System) encryption keys Encryption can be applied only at initial creation and cannot be changed afterward Performance degradation occurs when using the SSD_KMS disk type SSD_MultiAttach: Volume that can be attached to more than one server For details on each Block Storage type, see Create Block Storage
   Keypair	Required	Select the user authentication method for the Launch Configuration Server authentication information for accessing the servers created by generating an Auto-Scaling Group with a Launch Configuration New creation: Create a new one if a new Keypair is required Refer to Create Keypair for how to create a new Keypair Default login account list by OS Alma Linux: almalinux RHEL: cloud-user Rocky Linux: rocky Ubuntu: ubuntu Windows: sysadmin
   File Storage Settings	Selection	Scale-out/Scale-in can be set to automatically connect File Storage Volume: After clicking the Select button, choose the Volume to use in the Select File Storage popup Up to 5 can be selected The selected Volume can be deleted by clicking the X button

   Table. Launch Configuration service information input items

6. On the Launch Configuration Creation page, after entering information in the Additional Information Input area, click the Next button.

   Category	Required	Detailed description
   Init Script	Selection	Script that runs when the server of an Auto Scaling Group using a Launch Configuration starts Enter within 45,000 bytes The init script must be a batch script for Windows, a shell script for Linux, or cloud‑init, depending on the selected image.
   tag	Selection	Add Tag Up to 50 can be added per resource After clicking the Add Tag button, enter or select Key, Value values

   Table. Launch Configuration additional information input fields

7. Verify creation information Check the information you entered on the page and the estimated amount, and click the Create button.

   • When creation is complete, verify the created Launch Configuration on the Launch Configuration List page.

View Launch Configuration Details

The Launch Configuration service allows you to view and edit the full list of resources and detailed information. Launch Configuration Details page consists of Details, Tags, Activity Log tabs.

To view detailed information of the Launch Configuration, follow these steps.

1. Click the All Services > Compute > Virtual Server menu. Navigate to the Service Home page of Virtual Server.
2. Click the Launch Configuration menu. Navigate to the Launch Configuration List page.
3. On the Launch Configuration List page, click the resource you want to view detailed information for. You will be taken to the Launch Configuration Details page.
   • Launch Configuration Details At the top of the page, status information and additional feature information are displayed, and it consists of Details, Tags, Activity History tabs.

     Category	Detailed description
     Launch Configuration status	User-created Launch Configuration status Active: Available
     Delete Launch Configuration	Delete Launch Configuration button

     Table. Launch Configuration status information and additional features

Detailed information

Launch Configuration list page allows you to view detailed information of the selected resource and edit the information if needed.

tag

Launch Configuration List page lets you view the tag information of the selected resource, and you can add, modify, or delete it.

Work History

You can view the operation history of the selected resource on the Launch Configuration List page.

Delete Launch Configuration

Deleting unused Launch Configurations can reduce operational costs. However, terminating a Launch Configuration may cause running services to stop immediately, so you should carefully consider the impact of service interruption before proceeding with the termination.

To delete a Launch Configuration, follow these steps.

1. Click the All Services > Compute > Virtual Server menu. Navigate to the Service Home page of Virtual Server.
2. Click the Launch Configuration menu. Go to the Launch Configuration List page.
3. On the Launch Configuration List page, click the resource to be terminated. Navigate to the Launch Configuration Details page.
4. Launch Configuration Delete Click the button.
5. After deletion is complete, verify on the Launch Configuration List page that the resource has been removed.