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How-to guides

Users can create a service by entering the required information for Parallel File Storage and selecting detailed options through the Samsung Cloud Platform Console.

Creating Parallel File Storage

You can create and use the Parallel File Storage service from the Samsung Cloud Platform Console.
To create a Parallel File Storage, follow these steps.

  1. All Services > Storage > Parallel File Storage Click the menu. 1. Go to the Service Home page of Parallel File Storage.

  2. On the Service Home page, click the Parallel File Storage creation button. 2. Go to the Parallel File Storage Creation page.

  3. Parallel File Storage Creation Enter the information required to create the service on the page.

    Category
    Required
    		Detailed description
    Volume namerequiredEnter the volume name
    • must start with a lowercase English letter
    • use lowercase letters, numbers, and special characters (_) to enter 3 to 21 characters
    • generated in the form ‘user input+{6‑character UUID composed of lowercase English letters and numbers}’
    • cannot be modified after the service is created
    Availability ZonerequiredSelect volume location
    • Can connect to Multi-node GPU Cluster resources created in the same location (AZ)
    capacityrequiredEnter the desired capacity
    • 1 ~ 1000 TB available
    • After creating the service, only expansion is possible
    tagSelectAdd Tag
    • Up to 50 can be added per resource
    • After clicking the Add Tag button, enter or select Key, Value values
    Table. Input fields for creating a Parallel File Storage service

  4. In the summary panel, review the detailed information and estimated charges you generated, and click the Create button.

  5. When the popup notifying creation opens, click the Confirm button.

    • When creation is complete, check the created resources on the Parallel File Storage List page.

Reference
  • Creating a Parallel File Storage may take more than several tens of minutes, depending on the service scale.

Parallel File Storage view detailed information

The Parallel File Storage service allows you to view and edit the full list of resources and detailed information.
Follow these steps to view detailed information about the Parallel File Storage service.

  1. All Services > Storage > Parallel File Storage Click the menu. 1. Go to the Service Home page of Parallel File Storage.
  2. On the Service Home page, click the Parallel File Storage menu. 2. Parallel File Storage List Go to the page.
  3. On the Parallel File Storage List page, click the resource to view detailed information. 3. Go to the Parallel File Storage Details page.
    • Parallel File Storage Details page displays status information and additional feature information, and is composed of Details, Snapshot List, Tags, and Operation History tabs.
      CategoryDetailed description
      Volume statusRepresenting volume status
      • Creating: Creating
      • Available: Created, server connection available
      • Extending: Expanding
      • Deleting: Terminating service
      • Error Deleting: Abnormal state during deletion
      • Error: Abnormal state during creation
      • Error Extending: Abnormal state during expansion
      Create snapshotImmediately create a snapshot at the time of creation
      • Up to 50 can be created
      Service cancellationCancel service button
      Table. Parallel File Storage status information and additional functions

Detailed Information

On the Parallel File Storage List page, you can view detailed information of the selected resource and, if necessary, edit the information.

CategoryDetailed description
serviceService name
Resource TypeResource Type
SRNUnique resource ID in Samsung Cloud Platform
  • In the Parallel File Storage service, it refers to the volume SRN
Resource nameResource name
  • Parallel File Storage service means the volume name
Resource IDService’s unique resource ID
constructorUser who created the service
Creation date and timeService creation date and time
Volume nameVolume name
Availability ZoneVolume position
capacityVolume size
  • Click the Edit button to change the size
Mount informationMount information
  • Mount name: Mount name per volume for server connection
    • {Storage IP}:/{volume name} is created as
  • Mount account: After clicking the View button and entering the password, you can view the account information and verify the password
Connection resourceList of connected resources (Multi-node GPU Server)
  • Resource Type: Service type of the connected resource
  • Resource Name: Name of the connected resource
  • IP: IP information of the connected resource
  • Resource Status: Status of the connected resource
  • Connection Status: Connection status of the resource
    • If the connection status is partially successful, verify that the two network interfaces for Parallel File Storage connection in the Multi-node GPU Cluster are functioning correctly, then disconnect and reconnect in Parallel File Storage to check the status
  • Resources can be added up to a maximum of 300
Table. Parallel File Storage Details - Detail Tab Items

Snapshot List

On the Parallel File Storage List page, you can view the snapshot of the selected resource.

Reference
CategoryDetailed description
Use snapshotsTotal size of stored snapshots
Snapshot nameSnapshot name
capacitySnapshot capacity
Creation date and timeSnapshot creation timestamp
statusSnapshot status
  • Available: Creation completed, recoverable
  • Creating: Creating
  • Error: Abnormal state
  • Deleting: Deleting
  • Error Deleting: Abnormal state while deleting
  • Restoring: Restoring
DeleteDelete the selected snapshot from the snapshot list
Table. Parallel File Storage Details - Snapshot Tab Items
Reference
You can create up to 50 snapshots.

Tag

Parallel File Storage List page allows you to view the tag information of the selected resource, and add, modify, or delete it.

CategoryDetailed description
Tag listTag list
  • You can view the Key, Value information of the tag
  • Up to 50 tags can be added per resource
  • When entering a tag, you can search and select from the list of previously created Keys and Values
Table. Parallel File Storage Details - Tag Tab Items

Operation History

Parallel File Storage List page allows you to view the operation history of the selected resource.

CategoryDetailed description
Task History ListResource Change History
  • Operation Time, Resource Type, Resource ID, Resource Name, Operation Details, Event Topic, Operation Result, Operator Information
Table. Parallel File Storage Details – Job History Tab Items

Parallel File Storage Managing Resources

If you need to modify settings for Parallel File Storage or add or remove connected servers, you can perform the operation on the Parallel File Storage Detailed Information page.

Edit Capacity

You can increase the capacity of Parallel File Storage.

To modify the capacity, follow the steps below.

  1. All Services > Storage > Parallel File Storage menu, click it. 1. Navigate to the Service Home page of Parallel File Storage.
  2. On the Service Home page, click the Parallel File Storage menu. 2. Parallel File Storage List Go to the page.
  3. Parallel File Storage List page, click the resource whose capacity you want to edit. 3. Parallel File Storage Details Go to the page.
  4. Click the Edit button for the Capacity item. 4. Capacity Edit popup window opens.
  5. After entering the capacity to be expanded, click the Confirm button.
    • You can expand up to a maximum of 1000 TB, including the existing capacity.
  6. When a popup notifying capacity expansion opens, click the Confirm button.

Edit linked resources

You can connect resources to Parallel File Storage or disconnect connected resources.

Notice
  • You can connect to Multi-node GPU Cluster resources created in the same AZ.
  • While modifying a connected resource, additional changes are not possible, and you can only modify the connected resource when the volume is in the Available state.
  • If communication with the target resource is lost or the connection is impossible, you cannot modify the connection resource.
  • When connecting resources, you can connect up to 300 resources at the same location. * If you exceed 300, use the API.

To modify the connection resource, follow these steps.

  1. Click the All Services > Storage > Parallel File Storage menu. 1. Go to the Service Home page of Parallel File Storage.
  2. On the Service Home page, click the Parallel File Storage menu. 2. Navigate to the Parallel File Storage List page.
  3. Parallel File Storage List On the page, click the resource to edit the linked resource. 3. Parallel File Storage Details Navigate to the page.
  4. Click the Edit button of the Connected Resource item. 4. Select Connected Resource A popup window opens.
  5. Select the resource to connect or uncheck the resource to disconnect, then click the Confirm button.
    • You can select multiple resources simultaneously.
Caution
  • The Multi-node GPU Cluster server is connected to Parallel File Storage through two N/W interfaces. * To optimize storage performance, ensure that both networks are properly connected.
  • On the Parallel File Storage Details page, if the resource connection status is partially successful, follow the steps below to verify.
    1. Verify that the two N/W interfaces are functioning properly for connecting Parallel File Storage in the Multi-node GPU Cluster.
    2. After disconnecting from Parallel File Storage, reconnect.
    3. Parallel File Storage Details Check the connection status of the resource on the page.
  • When disconnecting, you must first log into the server and perform the disconnect operations (Umount, disconnect network drive).
    • If the connection is terminated without OS intervention, a status error (Hang) may occur on the connection server.
    • For detailed information on the server unmount operation, refer to 서버 연결 해제하기.
  • When adding a connected server, you must first perform the connection tasks (Mount, network drive connection) on the server.

Cancel Parallel File Storage

You can reduce operating costs by terminating unused Parallel File Storage.
However, if you terminate the service, the currently operating service may be stopped immediately, so you should proceed with the termination only after fully considering the impact that may arise from the service interruption.

Caution
  • Be careful, as data cannot be recovered after termination.
  • If there are resources connected to Parallel File Storage, it cannot be terminated. * Remove all connected resources before terminating the service.
  • The volume can be detached only when its status is Available or Error.

To cancel Parallel File Storage, follow the steps below.

  1. All Services > Storage > Parallel File Storage menu, click it. 1. Go to the Service Home page of Parallel File Storage.
  2. On the Service Home page, click the Parallel File Storage menu. 2. Parallel File Storage List Go to the page.
  3. On the Parallel File Storage List page, select the resource to cancel, and click the Cancel Service button.
    • You can go to the Parallel File Storage Details page of the resource to be terminated and delete it individually.
  4. When the termination notification popup appears, click the Confirm button.
  5. After termination is complete, verify on the Parallel File Storage List page that the resource has been terminated.
Overview
Using Snapshots