How-to guides

The user can enter the required information of the GPU Server through the Samsung Cloud Platform Console, select detailed options, and create the service.

Create GPU Server

You can create and use GPU Server services from the Samsung Cloud Platform Console.

If you want to create a GPU Server, follow the steps below.

1. All Services > Compute > GPU Server Please click the menu. Navigate to the GPU Server’s Service Home page.
2. Service Home on the page, click the Create GPU Server button. Navigate to the Create GPU Server page.
3. GPU Server creation On the page, enter the information required to create the service, and select detailed options.
   • Image and version selection Select the required information in the area.

     Category	Required or not	Detailed description
     Image	Required	Select provided image type Ubuntu
     Image version	Required	Select version of the chosen image Provides a list of server image versions offered

     Table. GPU Server image and version selection input items
   • Service Information Input Enter or select the required information in the area.

     Category	Required or not	Detailed description
     Server count	Required	Number of GPU Server servers to create simultaneously Only numbers can be entered, and input a value between 1 and 100
     Service Type > Server Type	Required	GPU Server Server Type Indicates the server specifications of GPU type, select a server that includes 1, 2, 4, or 8 GPUs For detailed information about the server types provided by GPU Server, refer to GPU Server Server Type
     Service Type > Planned Compute	Select	Resource status with Planned Compute set In Use: Number of resources with Planned Compute set that are currently in use Configured: Number of resources with Planned Compute set Coverage Preview: Amount applied per resource by Planned Compute Planned Compute Service Application: Go to the Planned Compute service application page For more details, refer to Apply for Planned Compute
     Block Storage	Required	Set the Block Storage used by the GPU Server according to its purpose Basic: Area where the OS is installed and used Capacity can be entered in Units (minimum capacity varies depending on the OS image type) RHEL: values between 3 and 1,536 can be entered Ubuntu: values between 3 and 1,536 can be entered 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 at initial creation (cannot be changed after creation) Performance degradation occurs when using SSD_KMS disk type Additional: Used when additional user space is needed outside the OS area After selecting Use, enter the storage type and capacity To add storage, click the + button (up to 25 can be added); to delete, click the x button Capacity can be entered in Units, values between 1 and 1,536 Since 1 Unit equals 8 GB, 8 to 12,288 GB can be 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 at initial creation (cannot be changed after creation) Performance degradation may occur when using SSD_KMS disk type For detailed information on each Block Storage type, refer to Create Block Storage Delete on termination: If Delete on Termination is set to Enabled, the volume will be terminated together when the server is terminated Volumes with snapshots are not deleted even if Delete on termination is set to Enabled A multi-attach volume is deleted only when the server being terminated is the last remaining server attached to the volume

     Table. GPU Server Service Configuration Items
   • Required Information Input Please enter or select the required information in the area.

     Category	Required	Detailed description
     Server Name	Required	Enter a name to distinguish the server when the selected server count is 1 Set hostname with the entered server name Use English letters, numbers, spaces, and special characters (- _) within 63 characters
     Server name Prefix	Required	Enter Prefix to distinguish each server generated when the selected number of servers is 2 or more Automatically generated as user input value (prefix) + ‘-#’ format Enter within 59 characters using English letters, numbers, spaces, and special characters (-, _)
     Network Settings > Create New Network Port	Required	Set the network where the GPU Server will be installed Select a pre-created VPC. General Subnet: Select a pre-created General Subnet IP can be set to auto-generate or user input; if input is selected, the user can directly enter the IP NAT: Can be used only if there is one server and the VPC has an Internet Gateway attached. Use checked allows selection of NAT IP NAT IP: Select NAT IP If there is no NAT IP to select, click the Create New button to generate a Public IP Refresh button click to view and select the created Public IP Creating a Public IP incurs charges according to the Public IP pricing policy Local Subnet (Optional): Select Local Subnet Use Not a required element for creating the service A pre-created Local Subnet must be selected IP can be set to auto-generate or user input; input selected allows user to directly enter IP Security Group: Settings required to access the server Select: Choose a pre-created Security Group Create New: If there is no applicable Security Group, it can be created separately in the Security Group service Up to 5 can be selected If no Security Group is set, all access is blocked by default A Security Group must be set to allow required access
     Network Settings > Existing Network Port Specification	Required	Set the network where the GPU Server will be installed Select a pre-created VPC General Subnet: Select a pre-created General Subnet and Port NAT: Can be used only if there is one server and the VPC has an Internet Gateway attached; checking use allows selection of a NAT IP. NAT IP: Select NAT IP If there is no NAT IP to select, click the New Creation button to generate a Public IP Click the Refresh button to view and select the created Public IP Local Subnet (Optional): Select Use of Local Subnet Select a pre-created Local Subnet and Port
     Keypair	Required	User authentication method to use when connecting to the server New Creation: If a new Keypair is needed, create a new one Refer to Create Keypair for how to create a new Keypair List of default login accounts by OS RHEL: cloud-user Ubuntu: ubuntu

     Table. GPU Server required information input items
   • Additional Information Input Enter or select the required information in the area.

     Category	Required	Detailed description
     Lock	Select	Set whether to use Lock Using Lock prevents actions such as server termination, start, stop from being executed, preventing malfunctions caused by mistakes
     Init script	Select	Script executed when the server starts The Init script must be written as a Batch script for Windows, a Shell script or cloud‑init for Linux, depending on the image type. Up to 45,000 bytes can be entered
     Tag	Select	Add Tag Up to 50 can be added per resource After clicking the Add Tag button, enter or select Key, Value values

     Table. GPU Server Additional Information Input Items
4. Summary Check the detailed information and estimated billing amount generated in the panel, and click the Complete button.
   • When creation is complete, check the created resources on the GPU Server list page.

GPU Server Check detailed information

GPU Server service can view and edit the full resource list and detailed information. GPU Server Detail page consists of Detail Information, Tags, Job History tabs.

To view detailed information about the GPU Server service, follow the steps below.

1. All Services > Compute > GPU Server Click the menu. Go to the GPU Server’s Service Home page.
2. Click the GPU Server menu on the Service Home page. Navigate to the GPU Server list page.
3. GPU Server List Click the resource to view detailed information on the page. GPU Server Details You will be taken to the page.
   • GPU Server Details page displays status information and additional feature information, and consists of Details, Tags, Job History tabs.
   • GPU Server add-on features for detailed information, refer to GPU Server management add-on features.

     Category	Detailed description
     GPU Server status	Status of GPU Server created by the user Build: State where Build command has been delivered Building: Build in progress Networking: Server creation in‑progress process Scheduling: Server creation in‑progress process Block_Device_Mapping: Connecting Block Storage during server creation Spawning: State where server creation process is ongoing Active: Usable state Powering_off: State when stop request is made Deleting: Server deletion in progress Reboot_Started: Reboot in progress state Error: Error state Migrating: State where server is migrating to another host Reboot: State where Reboot command has been delivered Rebooting: Restart in progress Rebuild: State where Rebuild command has been delivered Rebuilding: State when Rebuild is requested Rebuild_Spawning: State where Rebuild process is ongoing Resize: State where Resize command has been delivered Resizing: Resize in progress Resize_Prep: State when server type modification is requested Resize_Migrating: State where server is moving to another host while Resize is in progress Resize_Migrated: State where server has completed moving to another host while Resize is in progress Resize_Finish: Resize completed Revert_Resize: Resize or migration of the server failed for some reason. The target server is cleaned up and the original server restarts Shutoff: State when Powering off is completed Verity_Resize: After Resize_Prep due to server type modification request, state where server type is confirmed / can choose to revert server type Resize_Reverting: State when server type revert is requested Resize_Confirming: State where server’s Resize request is being confirmed
     Server Control	Button to change server status Start: Start a stopped server Stop: Stop a running server Restart: Restart a running server
     Image Generation	Create user custom image using the current server’s image
     Console Log	View current server’s console log You can check the console log output from the current server. For more details, refer to Check Console Log.
     Dump creation	Create a dump of the current server The dump file is created inside the GPU Server For detailed dump creation method, refer to Create Dump
     Rebuild	All data and settings of the existing server are deleted, and a new server is set up For details, refer to Perform Rebuild.
     Service Cancellation	Button to cancel the service

     Table. GPU Server status information and additional features

Detailed Information

GPU Server list page, you can view the detailed information of the selected resource and, if necessary, edit the information.

tag

On the GPU Server List page, you can view the tag information of the selected resource, and you can add, modify, or delete it.

Work History

You can view the job history of the selected resource on the GPU Server List page.

GPU Server Operation Control

If you need to control the operation of the generated GPU Server resources, you can perform the task on the GPU Server List or GPU Server Details page. You can start, stop, and restart a running server.

GPU Server Start

You can start a shutoff GPU Server. To start the GPU Server, follow the steps below.

1. All Services > Compute > GPU Server Please click the menu. Navigate to the GPU Server’s Service Home page.
2. Click the GPU Server menu on the Service Home page. Go to the GPU Server List page.
3. GPU Server List page, click the resource to start among the shutoff servers, and go to the GPU Server Details page.

• GPU Server list page, you can start each resource via the right more button.
  • After selecting multiple servers with the check box, you can control multiple servers simultaneously through the Start button at the top.

4. GPU Server Details On the page, click the Start button at the top to start the server. Check the changed server status in the Status Display item.
   • When the GPU Server start is completed, the server status changes from Shutoff to Active.
   • For detailed information about the GPU Server status, please refer to Check GPU Server detailed information.

GPU Server Stop

You can stop a GPU Server that is active. To stop the GPU Server, follow the steps below.

1. All Services > Compute > GPU Server Click the menu. Go to the Service Home page of GPU Server.
2. Service Home page, click the GPU Server menu. Navigate to the GPU Server List page.
3. GPU Server List page, click the resource to stop among the servers that are active (Active), and go to the GPU Server Details page.

• GPU Server List on the page, you can stop each resource via the right More button.
  • After selecting multiple servers with the checkbox, you can control multiple servers simultaneously through the Stop button at the top.

4. GPU Server Details page, click the top Stop button to start the server. Check the changed server status in the Status Display item.
   • When GPU Server shutdown is completed, the server status changes from Active to Shutoff.
   • For detailed information about the GPU Server status, please refer to Check GPU Server detailed information.

GPU Server Restart

You can restart the generated GPU Server. To restart the GPU Server, follow the steps below.

1. All Services > Compute > GPU Server Please click the menu. Navigate to the GPU Server’s Service Home page.
2. Click the GPU Server menu on the Service Home page. It navigates to the GPU Server List page.
3. GPU Server List page, click the resource to restart, and navigate to the GPU Server Details page.
   • GPU Server List page, you can restart each resource by using the right More button.
   • After selecting multiple servers with the checkbox, you can control multiple servers simultaneously through the Restart button at the top.
4. GPU Server Details on the page, click the Restart button at the top to start the server. Check the changed server status in the Status Display item.
   • GPU Server during restart, the server status goes through Rebooting and finally changes to Active.
   • For detailed information about the GPU Server status, please refer to Check GPU Server detailed information.

GPU Server Resource Management

If you need server control and management functions for the generated GPU Server resources, you can perform the work on the GPU Server Resource List or GPU Server Details page.

Image Create

You can create an image of a running GPU server.

To create an Image of the GPU Server, follow the steps below.

1. All Services > Compute > GPU Server Click the menu. Navigate to the GPU Server’s Service Home page.

2. Service Home page, click the GPU Server menu. Go to the GPU Server list page.

3. Click the resource to create an Image on the GPU Server List page. It navigates to the GPU Server Details page.

4. GPU Server Details on the page, click the Image Generation button. Navigate to the Image Generation page.

   • Service Information Input area, please enter the required information.

     Category	Required	Detailed description
     Image Name	Required	Image name to be generated Enter within 200 characters using English letters, numbers, spaces, and special characters (- _)

     Table. Image Service Information Input Items

5. Check the input information and click the Complete button.

   • When creation is complete, check the created resources on the All Services > Compute > GPU Server > Image List page.

ServiceWatch Enable Detailed Monitoring

Basically, the GPU Server is linked with the basic monitoring of ServiceWatch and the Virtual Server namespace. You can enable detailed monitoring as needed to more quickly identify and address operational issues. For more information about ServiceWatch, see the ServiceWatch Overview (/userguide/management/service_watch/overview/).

To enable detailed monitoring of ServiceWatch on the GPU Server, follow these steps.

1. All Services > Compute > GPU Server Please click the menu. Navigate to the GPU Server’s Service Home page.
2. Click the GPU Server menu on the Service Home page. Navigate to the GPU Server list page.
3. On the GPU Server List page, click the resource to enable ServiceWatch detailed monitoring. You will be taken to the GPU Server Details page.
4. GPU Server Details page, click the ServiceWatch detailed monitoring Edit button. You will be taken to the ServiceWatch Detailed Monitoring Edit popup.
5. ServiceWatch Detailed Monitoring Modification In the popup window, after selecting Enable, check the guidance text and click the Confirm button.
6. GPU Server Details page, check the ServiceWatch detailed monitoring items.

ServiceWatch Disable detailed monitoring

To disable the detailed monitoring of ServiceWatch on the GPU Server, follow the steps below.

1. All Services > Compute > GPU Server Please click the menu. Navigate to the GPU Server’s Service Home page.
2. Service Home page, click the GPU Server menu. Navigate to the GPU Server list page.
3. Click the resource to disable ServiceWatch detailed monitoring on the GPU Server List page. It navigates to the GPU Server Details page.
4. GPU Server Details page, click the ServiceWatch detailed monitoring Edit button. It moves to the ServiceWatch Detailed Monitoring Edit popup.
5. ServiceWatch Detailed Monitoring Edit in the popup window, after deselecting Enable, check the guide text and click the Confirm button.
6. GPU Server Details page, check the ServiceWatch detailed monitoring items.

GPU Server Management Additional Features

For GPU Server management, you can view Console logs, generate Dump, and Rebuild. To view Console logs, generate Dump, and Rebuild the GPU Server, follow the steps below.

Check console log

You can view the current console log of the GPU Server.

To check the console logs of the GPU Server, follow the steps below.

1. All Services > Compute > GPU Server Please click the menu. Navigate to the GPU Server’s Service Home page.
2. Click the GPU Server menu on the Service Home page. Navigate to the GPU Server List page.
3. On the GPU Server List page, click the resource to view the console log. Navigate to the GPU Server Details page.
4. GPU Server Details on the page, click the Console Log button. It will move to the Console Log popup window.
5. Console Log Check the console log displayed in the popup window.

Create Dump

To create a Dump file of the GPU Server, follow the steps below.

1. All Services > Compute > GPU Server Click the menu. Navigate to the GPU Server’s Service Home page.
2. Click the GPU Server menu on the Service Home page. Navigate to the GPU Server List page.
3. GPU Server List Click the resource to view detailed information on the page. GPU Server Details Navigate to the page.
4. GPU Server Details on the page Create Dump Click the button.
   • The dump file is created inside the GPU Server.

Rebuild perform

You can delete all data and settings of the existing GPU Server and rebuild it on a new server.

To perform the Rebuild of the GPU Server, follow the steps below.

1. All Services > Compute > GPU Server Click the menu. Navigate to the Service Home page of GPU Server.
2. Click the GPU Server menu on the Service Home page. It navigates to the GPU Server List page.
3. GPU Server List page, click the resource to perform Rebuild. GPU Server Details page will be opened.
4. GPU Server Details on the page click the Rebuild button.
   • During GPU Server Rebuild, the server status changes to Rebuilding, and when the Rebuild is completed, it returns to the state before the Rebuild.
   • For detailed information about the GPU Server status, please refer to Check GPU Server detailed information.

GPU Server Cancel

If you cancel an unused GPU Server, you can reduce operating costs. However, if you cancel a GPU Server, the service currently running may be stopped immediately, so you should proceed with the cancellation after fully considering the impact that may occur when the service is interrupted.

To cancel the GPU Server, follow the steps below.

1. All Services > Compute > GPU Server Click the menu. Navigate to the GPU Server’s Service Home page.
2. Click the GPU Server menu on the Service Home page. Navigate to the GPU Server List page.
3. GPU Server List on the page, select the resource to cancel, and click the Cancel Service button.
   • The termination of connected storage depends on the Delete on termination setting, so please refer to Termination Constraints.
4. When termination is completed, check on the GPU Server List page whether the resource has been terminated.

Termination Constraints

If the termination request for GPU Server cannot be processed, we will guide you with a popup window. Please refer to the cases below.

The termination of attached storage depends on the Delete on termination setting.