Manage Backup

Manage backups per MySQL instance group without stopping the group.

View backup list

Check the list of backups created in your MySQL instance group.

1. Go to the KakaoCloud Console > Data Store > MySQL.

2. Click the Back up menu, then select either the Manual Backup or Automated backup tab.

   Manual backup tab

   Item	Description
   Name	Name of the backup
   Instance Group Name	The instance group associated with the backup
   Status	Check backup status - See Instance Lifecycle and Status Values
   Engine Version	MySQL engine version that the backup can be restored to
   Backup Size	Size of the backup
   Base Storage Size	Default storage size for restoration
   Created Date	Backup creation date
   [More]	Restore, Delete

   Automated backup tab

   Item	Description
   Name	Name of the backup
   Instance Group Name	The instance group associated with the backup
   Status	Check backup status - See Instance Lifecycle and Status Values
   Engine Version	MySQL engine version that the backup can be restored to
   Backup Size	Size of the backup
   Base Storage Size	Default storage size for restoration
   Automated backup Retention Period	Retention period for the automated backup
   Retention Expiration Date	Date the automated backup will expire and be deleted
   Created Date	Backup creation date
   [More]	Restore

Configure automated backup

Set automated backup to run once daily at the specified time.
You can configure this during or after instance group creation.
Automatic backup is only supported in kr-central-2.

When creating instance group

1. Go to the KakaoCloud Console > Data Store > MySQL.

2. Click the [Create Instance Group] button.

3. In the Create Instance Group screen, fill out the automated backup settings and click [Create].

   Item	Field	Description
   Automated backup	Backup Option	Enable daily automated backup
   	Retention Period	Set backup retention (1–35 days) - Applies to all automatic backups
   	Backup Start Time	Start time for automated backup (starts within 15 minutes of set time)

When managing instance group

1. Go to the KakaoCloud Console > Data Store > MySQL.

2. In the Instance Group menu, click the [More] icon > select Configure Automated backup.

3. Set the necessary values and click [OK].

   Item	Field	Description
   Automated backup	Backup Option	Enable daily automated backup
   	Retention Period	Set backup retention (1–35 days) - Applies to all automatic backups
   	Backup Start Time	Start time for automated backup (starts within 15 minutes of set time)

Create manual backup

Manually create a backup via the MySQL service.

info

Backups can only be created when:

• Instance group status: AVAILABLE, PRIMARY_AVAILABLE, or ERROR
• Availability status: READY, PARTIAL-READY, or PARTIAL-UNAVAILABLE
• Instance status: Running
  See Backup Lifecycle and Status Values for details.

1. Go to the KakaoCloud Console > Data Store > MySQL.

2. In the Instance Group menu, select the group to back up.

3. Go to the Backup tab and click [Create Backup].

   Create MySQL Backup

   Item	Description
   Backup Name	Name entered at creation
   Status	Backup status - See Backup Lifecycle and Status Values
   Backup Type	Only manual backup is currently supported - Automatic backup support coming soon
   Created Date	Date and time of backup creation
   Created By	User who created the backup

4. Enter the details in the Create Backup popup and click [Create].

5. Check the backup files in the Backup menu.

Delete backup

Delete backups that are no longer needed.

Delete automated backup

You cannot delete automatic backups individually. Instead, delete them by:

• Reducing the retention period, or
• Disabling automated backup altogether

Automatic backup is only supported in kr-central-2.

• Backups exceeding the updated retention period will be deleted within minutes.
• Disabling automated backup deletes existing automatic backups within minutes.

See Configure Automated backup for more.

Delete manual backup

caution

Once deleted, backups are permanently removed and cannot be restored.

1. Go to the KakaoCloud Console > Data Store > MySQL.
2. From the Instance Group menu, select the group with the backup.
3. In the Backup tab, click the [More] icon next to the backup > select Delete Backup.
4. Fill out the popup and click [Delete].

Restore from backup

Use the backup restore feature to create a new MySQL instance group.
A backup must exist before restoration.

info

• Only backups with Succeeded status can be used.
• The new storage size must match or exceed the backup size.
• To add instances post-restore, use the Create Instance Group from Backup feature for backups created after Jan 16, 2023.

1. Go to the KakaoCloud Console > Data Store > MySQL.

2. In the Instance Group menu, select the group with the desired backup.

3. In the Backup tab, click the [More] icon next to the backup > select Restore.

4. Enter the required information in the Restore popup and click [Restore].

   Section	Field	Description
   Restore Info	Instance Group Name	Selected backup info: name, storage size, and date Used to base the restoration
   Basic Settings	Instance Group Name	Name of the new MySQL instance group (must be unique) Example: mysql-instance-01
   	Description (Optional)	Optional 100-character group description
   Instance Availability	High Availability	Create Primary + multiple Standby instances (single/multi AZ)
   	Single	Create a single Primary instance (single AZ only)
   MySQL Settings	Engine Version	Auto-selected version Supported: 8.0.34, 8.0.41 Cannot restore to a lower version
   	MySQL Username	Admin account name (1–32 lowercase letters or underscores) Example: admin (cannot use root)
   	MySQL Password	Admin initial password (8–16 chars, no spaces or / ' " @) ⚠️ Can be changed after DB is running ⚠️ User-set password cannot be retrieved
   Parameter Group		Select a group matching your MySQL version
   Instance Type		Choose compute resources See Instance Types
   Base Storage Type/Size	SSD	Volume for DB (100–16,384 GB) Minimum size may vary by instance type
   Log Storage Type/Size	SSD	Log storage (same specs as base) Cannot be changed after creation
   Network Settings	Multi-AZ Option	Configure subnets and number of instances per AZ
   	VPC	Select the VPC for the instance
   	Subnet & Instance Count	Choose subnet and number of instances Max 6 for HA, 1 for single availability
   	Primary Subnet	Subnet + count for Primary instance
   	Standby Subnet	Add Standby subnet(s) for multi-AZ use
   	Add Subnet	Add more subnets as needed
   	Security Group	Select or create security group(s) to apply
   Automated backup	Backup Option	Enable daily automatic backups
   	Retention Period	Set retention period (1–35 days)
   	Backup Start Time	Time for backup to begin (within 15 mins of selection)

   info

   For more on instance groups, see Instance Group.