How-to guides

Users can create the service by entering the required information for MariaDB (DBaaS) and selecting detailed options through the Samsung Cloud Platform Console.

MariaDB(DBaaS) Create

You can create and use the MariaDB (DBaaS) service from the Samsung Cloud Platform Console.

To create a MariaDB (DBaaS), follow the steps below.

1. Click the All Services > Database > MariaDB(DBaaS) menu. 1. Navigate to the Service Home page of MariaDB (DBaaS).
2. On the Service Home page, click the MariaDB(DBaaS) Create button. 2. Create MariaDB (DBaaS) Navigate to the page.
3. On the Create MariaDB (DBaaS) page, enter the information required to create the service and select detailed options.
   • In the Image and version selection area, select the required information.

     Category	Required status	Detailed description
     Image version	Required	Provide version list of MariaDB (DBaaS)

     Table. MariaDB (DBaaS) Image and version selection items
   • Enter or select the required information in the Service Information Input area.

     Category	required status	Detailed description
     Server name Prefix	Required	Server name where the DB will be installed must start with a lowercase English letter, and using lowercase letters, numbers, and the special character (-) input 3 to 13 characters based on the server name, a postfix such as 001, 002 is appended to generate the actual server name
     Cluster name	Required	Cluster name of DB servers Enter using English letters, 3 ~ 20 characters A cluster is a unit that groups multiple servers
     Service Type > Server Type	Required	Server type for DB installation Standard: Standard specifications commonly used High Capacity: Large-capacity server with 24 vCores or more For detailed information about the server types provided by MariaDB (DBaaS), refer to MariaDB(DBaaS) 서버 타입
     Service Type > Planned Compute	Selection	Planned Compute가 설정된 자원 현황 In Use: Number of resources with Planned Compute configured that are currently in use Configured: Number of resources with Planned Compute configured Coverage Preview: Amount applied per resource by Planned Compute Create Planned Compute Service: Go to the Planned Compute service application page For more details, refer to Planned Compute 신청하기
     Service Type > Block Storage	Required	Block Storage settings used by the DB according to purpose Basic OS: Area where the DB engine is installed DATA: Storage area for table data, archive files, etc. Select a storage type and then enter the capacity. (For details on each Block Storage type, refer to Create Block Storage) SSD: High‑performance general volume HDD: General volume SSD_KMS, HDD_KMS: Additional encrypted volumes that use Samsung Cloud Platform KMS (Key Management System) encryption keys The configured storage type is applied identically to additional storage Enter capacity as a multiple of 8 within the range 16–5,120 Because executing SQL or monthly batch jobs can cause large sorts that may interrupt service, a separate TEMP storage should be allocated and used Add: Storage areas for DATA, Archive, TEMP, Backup data After selecting Use, enter the storage’s purpose and capacity The storage type is applied the same as the type set for DATA, and capacity can be entered as a multiple of 8 within the range 16–5,120 Click the Add button to add storage, or the x button to delete. Up to 9 can be added Temporarily store backup data in BACKUP storage before transmitting it If the data to be backed up exceeds 100 GB and undergoes frequent changes, it is recommended to add a separate BACKUP storage for reliable backup. Set the backup capacity to about 60 % of the DATA capacity If a BACKUP storage is not added, the /tmp area is used, and backup will fail if capacity is insufficient For each service, only one Block Storage is allocated for Archive, TEMP, and BACKUP
     Redundant configuration	Selection	Redundancy configuration status When redundancy is used, the DB instance is configured as Active DB and Standby DB
     Network > Common Settings	Required	Network settings for servers created by the service Select when you want to apply the same settings to all installed servers Select a pre‑created VPC, Subnet, IP, and Public NAT Each server’s IP is generated automatically The Public NAT feature is available only when the VPC is connected to an Internet Gateway. When Use is checked, you can select a reserved IP from the VPC product’s Public IP. For more details, see Public IP 생성하기
     Network > Server-specific Settings	Required	Network settings where servers generated by the service are installed Select when you want to apply different settings for each installed server Select a pre‑created VPC, Subnet, IP, and Public NAT Enter the IP for each server The Public NAT feature is available only when the VPC is connected to an Internet Gateway. Use when checked, you can select from reserved IPs in the VPC product’s Public IP. For more details, refer to Public IP 생성하기
     IP access control	Selection	Service access policy configuration Since the access policy is set for the IP entered on the page, you do not need to configure a separate Security Group policy Enter in IP format (example: 192.168.10.1) or CIDR format (example: 192.168.10.0/24, 192.168.10.1/32) and click the Add button To delete an entered IP, click the x button next to the entered IP
     maintenance period	Selection	DB maintenance window If you select Use, you can set the day of week, start time, and duration The maintenance window is a feature that allows the user to set the time slot for performing patch operations, and any patch work within that period must be carried out directly by the user. We ask you to set a maintenance window for the stable operation of the system, and we are not responsible for any issues arising from not setting it or from failure to perform tasks within the window.

     Table. MariaDB (DBaaS) Service Information Input Items
   • Enter required database configuration information In this area, enter or select the necessary information.

     Category	Required status	Detailed description
     Database name	Required	Server name applied during DB installation must start with an English letter and be entered using English letters and numbers, 3 to 20 characters long
     Database username	Required	DB user name An account with the same name is also created on the OS Enter using lowercase English letters, 2 to 20 characters Restricted database user names can be viewed in the Console
     Database password	Required	Password to use when accessing the DB Include English letters, numbers, and special characters (“ ‘ excluded) and enter 8~30 characters
     Check database password	Required	Re-enter the same password to use for DB access
     Database Port number	Required	Port number required for DB connection Enter the DB port within the range 1200 ~ 65535
     Backup > Use	Selection	Backup usage Select Use to set backup file retention period, backup start time, and Archive backup interval
     Backup > Retention Period	Selection	Backup retention period Select the backup retention period. Set the file retention period from 7 days to 35 days Backup files incur additional charges based on size
     Backup > Backup Start Period	Selection	Backup start time Select backup start time The minutes (minutes) at which the backup runs are set randomly, and the backup end time cannot be configured
     Backup > Archive backup schedule	Selection	Archive backup interval Select the archive backup interval The archive backup interval is recommended to be 1 hour. Selecting 5 minutes, 10 minutes, or 30 minutes may affect DB performance
     Audit Log configuration	Selection	Whether to store Audit Log Select Use to enable the Audit Log feature User connection information records are stored Users can specify the types of events to audit via the server_audit_events parameter, and it can be modified through the Parameter screen For details on this parameter, refer to the MariaDB documentation Enabling Audit may degrade DB performance
     ServiceWatch log collection	Selection	ServiceWatch log collection status Select Use to configure the ServiceWatch log collection feature Provided free up to 5 GB for all services within the Account, and charges apply based on storage size for usage exceeding 5 GB Log groups and log streams are automatically created upon collection and cannot be deleted until the resource itself is deleted To prevent exceeding 5 GB, it is recommended to delete log data directly or shorten the retention period
     Parameter	Required	Parameters to be used in the DB View button can be clicked to view detailed information of the parameters Parameters can be modified after the DB creation is complete, and the DB must be restarted after any modifications
     DB character set	Required	Character encoding method to be used for the DB The character set used when storing text data, which is set as the default with the selected encoding when the DB is created
     Time zone	Required	Standard time zone used by the database

     Table. MariaDB(DBaaS) Database configuration items
   • In the Additional Information Input area, enter or select the required information.

     Category	Required	Detailed description
     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. MariaDB(DBaaS) additional information input items
4. Summary Review the detailed information and estimated charges generated in the panel, and click the Create button.
   • Once creation is complete, check the created resource on the Resource List page.

MariaDB(DBaaS) Check detailed information

The MariaDB (DBaaS) service lets you view and modify the complete resource list and detailed information. The MariaDB(DBaaS) Details page consists of Details, Tags, Activity History tabs, and for databases with a configured Replica, a Replica Information tab is added.

To view detailed information about the MariaDB (DBaaS) service, follow the steps below.

1. All Services > Database > MariaDB (DBaaS) Click the menu. 1. Navigate to the Service Home page of MariaDB (DBaaS).
2. On the Service Home page, click the MariaDB(DBaaS) menu. 2. MariaDB(DBaaS) List Navigate to the page.
3. On the MariaDB (DBaaS) List page, click the resource to view detailed information. 3. MariaDB(DBaaS) Details Go to the page.
   • MariaDB(DBaaS) Details At the top of the page, status information and additional feature details are displayed.

     Category	Detailed description
     Cluster status	Cluster status with DB installed Creating: Cluster creation in progress Editing: Cluster is transitioning to an operational state Error: Cluster encountered a failure while performing a task If this persists, contact the administrator Failed: Cluster failed during creation Restarting: Restarting the cluster Running: Cluster is operating normally Starting: Starting the cluster Stopped: Cluster is stopped Stopping: Cluster is being stopped Synchronizing: Synchronizing the cluster Terminating: Deleting the cluster Unknown: Cluster status is unknown If this persists, contact the administrator Upgrading: Cluster is transitioning to an upgrading state
     Cluster control	Buttons to change the cluster state Start: Start a stopped cluster Stop: Stop a running cluster Restart: Restart a running cluster Switch-Over: Switch a standby cluster to Active
     View more features	Cluster management buttons Service status synchronization: Real-time DB service status lookup Backup history: Verify successful backup execution and view history when backup is configured Database recovery: Recover the DB based on a specific point in time Parameter management: View and modify DB configuration parameters Replica configuration: Configure a read-only cluster as a Replica Replica configuration (Other-Region): Configure a disaster recovery Replica in another region; the button is disabled if the account has no region to configure DB user management: View and manage DB account (user) information registered in the DB DB access control management: Register and revoke allowed IPs based on DB accounts registered in the DB Archive settings management: Set archive file retention period and configure archive mode DB Log export: Export stored logs to the user’s Object Storage via Audit settings Migration configuration: Provides Migration functionality using a Replication method Block Storage usage management: Provides usage query functionality per Block Storage type OS (Kernel) upgrade: Upgrade OS Kernel version
     Service cancellation	Cancel Service button

     Table. MariaDB(DBaaS) status information and additional features

Detailed Information

MariaDB (DBaaS) List page allows you to view detailed information of the selected resource and, if needed, modify the information.

Replica information

Replica information tab is enabled only when a Replica is configured in the cluster. Replica information tab lets you view the Master cluster name, the number of replicas, and the Replica status.

tag

MariaDB (DBaaS) List page allows you to view the tag information of the selected resource, and you can add, modify, or delete it.

Job History

MariaDB (DBaaS) List page allows you to view the operation history of the selected resource.

MariaDB(DBaaS) Managing Resources

If you need to change or restore the existing configuration options of a provisioned MariaDB (DBaaS) resource, or set up a replica, you can perform the task on the MariaDB (DBaaS) Details page.

Operation Control

If changes occur to a running MariaDB (DBaaS) resource, you can start, stop, or restart it. Also, when HA is configured, you can switch the Active‑Standby servers via a switch‑over.

To control the operation of MariaDB (DBaaS), follow the steps below.

1. Click the All Services > Database > MariaDB(DBaaS) menu. 1. Navigate to the Service Home page of MariaDB (DBaaS).
2. On the Service Home page, click the MariaDB(DBaaS) menu. 2. Go to the MariaDB(DBaaS) List page.
3. On the MariaDB(DBaaS) List page, click the resource to control its operation. 3. MariaDB(DBaaS) Details Go to the page.
4. Check the MariaDB (DBaaS) status and complete the change using the control button below.
   • Start: DB service is installed on the server and the DB service is running (Running).
   • Stop: The server where the DB service is installed and the DB service will be stopped (Stopped).
   • Restart: Only the DB service will be restarted.
   • Switch Over: You can switch the DB’s Active server and Standby server.

Synchronize service status

You can synchronize the real-time service status of MariaDB (DBaaS).

To view the service status of MariaDB (DBaaS), follow the steps below.

1. Click the All Services > Database > MariaDB(DBaaS) menu. 1. Navigate to the Service Home page of MariaDB (DBaaS).
2. On the Service Home page, click the MariaDB(DBaaS) menu. 2. MariaDB(DBaaS) List Navigate to the page.
3. MariaDB (DBaaS) List page, click the resource to view the service status. 3. MariaDB(DBaaS) Details Go to the page.
4. Click the Service Status Sync button. 4. While it is being queried, the cluster changes to Synchronizing state.
5. When the query completes, the status in the server information item is updated, and the cluster changes to the Running state.

Change Server Type

You can change the configured server type.

To change the server type, follow these steps.

1. All Services > Database > MariaDB(DBaaS) Click the menu. 1. Go to the Service Home page of MariaDB (DBaaS).
2. On the Service Home page, click the MariaDB(DBaaS) menu. 2. MariaDB(DBaaS) List Navigate to the page.
3. MariaDB(DBaaS) List page, click the resource to change the server type. 3. MariaDB(DBaaS) Details Navigate to the page.
4. Click the Edit icon for the server type you want to change at the bottom of the detailed information. 4. Edit Server Type The popup window opens.
5. Server Type Edit After selecting the server type in the popup, click the Confirm button.

Add storage

If you need more than 5 TB of data storage space, you can add additional storage. In a redundant DB setup, all redundant servers are added simultaneously.

To add storage, follow these steps.

1. All Services > Database > MariaDB(DBaaS) Click the menu. 1. Navigate to the Service Home page of MariaDB (DBaaS).
2. On the Service Home page, click the MariaDB(DBaaS) menu. 2. MariaDB(DBaaS) List Navigate to the page.
3. On the MariaDB(DBaaS) List page, click the resource to add storage. 3. MariaDB(DBaaS) Details Go to the page.
4. Click the Add Disk button at the bottom of the detailed information. 4. Additional Storage Request The popup window opens.
5. Additional Storage Request In the popup window, after entering the purpose and capacity, click the Confirm button.

Expanding Storage

Storage added to the data area can be expanded up to a maximum of 5 TB based on the initially allocated capacity. In a redundant DB setup, all redundant servers are expanded simultaneously.

To increase storage capacity, follow the steps below.

1. Click the All Services > Database > MariaDB(DBaaS) menu. 1. Navigate to the Service Home page of MariaDB (DBaaS).
2. On the Service Home page, click the MariaDB(DBaaS) menu. 2. MariaDB(DBaaS) List Navigate to the page.
3. On the MariaDB(DBaaS) List page, click the resource to change the server type. 3. MariaDB(DBaaS) Details Go to the page.
4. Click the Edit icon of the additional Disk you want to add at the bottom of the detailed information. 4. Edit Additional Storage popup opens.
5. Edit Additional Storage After entering the expanded capacity in the popup window, click the Confirm button.

Terminate MariaDB(DBaaS)

You can cancel unused MariaDB (DBaaS) to reduce operating costs. However, if you terminate the service, the running service may be discontinued immediately, so you should proceed with the termination only after fully considering the impact that may arise from the service interruption.

To cancel MariaDB (DBaaS), follow the steps below.

1. Click the All Services > Database > MariaDB(DBaaS) menu. 1. Navigate to the Service Home page of MariaDB (DBaaS).
2. On the Service Home page, click the MariaDB(DBaaS) menu. 2. MariaDB(DBaaS) List Navigate to the page.
3. On the MariaDB(DBaaS) List page, select the resource to cancel and click the Terminate Service button.
4. After termination is complete, check on the MariaDB(DBaaS) list page whether the resource has been terminated.