To prevent data loss or damage caused by accidental deletion, modification, or overwriting, you can use Cloud Backup to back up the data tables in your Tablestore instances. Cloud Backup lets you configure flexible backup policies to create cloud backups. You can view and restore data tables at any time. This topic describes how to use Cloud Backup to back up data tables in Tablestore instances.
Prerequisites
The Cloud Backup service is enabled. Enabling Cloud Backup is free of charge. Using the Tablestore backup feature of Cloud Backup incurs Cloud Backup storage capacity fees. The fees are as follows:
Storage usage fee
You are charged based on the storage usage of backup vaults. You can view the storage usage of backup vaults on the Overview page in the Cloud Backup console. Cloud Backup provides two types of backup storage: locally redundant storage (LRS) and zone-redundant storage (ZRS). For more information, see Pricing.
Restoration fee
If you restore data to a Tablestore instance, you are charged for the data write throughput. The fee is included into your Tablestore bills. For more information, see Billing overview.
A Tablestore instance is created. For more information, see Create a Tablestore instance.
Notes
The first time you use this feature, Cloud Backup automatically creates the service-linked role AliyunServiceRoleForHbrOtsBackup to access the Tablestore instance resources in your account. Follow the on-screen instructions to complete the operation. For more information, see Cloud Backup service-linked role.
Cloud Backup automatically reads and loads the Tablestore instances in the selected region of your account. No client installation is required.
Create a backup plan to periodically back up Tablestore instance data tables
After you create a backup plan, the first backup job is a full backup. Subsequent jobs are incremental backups by default.
To create a Tablestore backup plan, perform the following steps.
Log on to the Cloud Backup console.
In the navigation pane on the left, choose .
In the top navigation bar, select a region.
In the Actions column of the target Tablestore instance, click Back Up.
In the Create Backup Plan panel, configure the parameters and click OK.
Configure the backup content and click Next.
Parameter
Description
Plan Name
Enter a name for the backup plan.
Database Instance
Select the backup objects. You can select one or more tables to back up.
Configure the backup plan and click Next.
Backup Type
Parameter
Description
Full Backup
Full Backup
Turn on the Full Backup switch to enable full backups.
Backup Frequency
This parameter is required only when the Full Backup switch is turned on. Specify the backup cycle. You can perform periodic backups by day, week, or month.
Running Time
This parameter is required only when the Full Backup switch is turned on. Specify the start time for the backup, accurate to the second.
Backup Interval
This parameter is required only when Backup Frequency is set to By Day (Periodic). Specify the interval in days between backups.
Specify Day Of Week
This parameter is required only when Backup Frequency is set to By Week (Periodic). Specify the day of the week for the backup.
Specify Month
This parameter is required when Backup Frequency is set to By Month (Periodic). Specify the month for the backup.
Specify Day Of Month
This parameter is required when Backup Frequency is set to By Month (Periodic). Specify the day of the month for the backup.
Incremental Backup
Incremental Backup
Turn on the Incremental Backup switch to enable incremental backups. Compared with a full backup, an incremental backup backs up only the increased data. This reduces the amount of data and speeds up the backup process.
Backup Frequency
This parameter is required only when the Incremental Backup switch is turned on. Specify the backup cycle. You can perform periodic backups by minute, hour, or day.
Running Time
This parameter is required only when the Incremental Backup switch is turned on and Backup Frequency is set to By Day. Specify the start time for the backup, accurate to the second.
Backup Interval
This parameter is required only when the Incremental Backup switch is turned on. Specify the backup interval. You can set the interval to 30 minutes, or a specific number of hours or days.
Configure backup options.
Parameter
Description
Backup Vault
Configure the backup vault where backups are stored.
Create Backup Vault: Enter a name for the new backup vault. If you leave this blank, a name is randomly assigned.
Select Backup Vault: Select an existing backup vault from the drop-down list.
To maximize the redundancy of your backup data, Cloud Backup uses zone-redundant storage (ZRS)-enabled backup vaults by default in regions that support ZRS-enabled backup vaults. For regions that support only locally redundant storage (LRS)-enabled backup vaults, Cloud Backup uses LRS-enabled backup vaults. You do not need to manually select a backup vault type.
Vault Name
Specify a name for the backup vault.
Vault Resource Group
This parameter is required only when Backup Vault is set to Create Backup Vault. Specify the resource group to which the backup vault belongs.
A resource group is a mechanism for managing resources in groups under an Alibaba Cloud account. Resource groups simplify resource grouping and permission management for a single Alibaba Cloud account. For more information, see Create a resource group.
Backup Vault Encryption Method
This parameter is required only when Backup Vault is set to Create Backup Vault. This parameter specifies the encryption method for the backup vault.
Fully managed by Cloud Backup (Default): Use the default encryption method of the backup service.
KMS: Use a custom key from the Alibaba Cloud Key Management Service (KMS) for encryption. You must specify the KMS Key ID parameter.
ImportantAfter you use KMS to encrypt a backup vault, you cannot change the KMS key.
If the KMS key is disabled or deleted, the backup data in the backup vault cannot be restored.
To use a KMS key to encrypt a backup vault, you must first create a KMS key ID in KMS. For more information, see Create a key.
Retention Period
Specify the retention period for backups. The default value is 2 years. The unit can be Day, Week, Month, or Year.
Enable Bandwidth Throttling
Traffic shaping helps you control backup traffic during peak business hours to avoid affecting normal business operations. To use traffic shaping, select a Throttling Time Window, enter the Maximum Traffic (MB) allowed during the time window, and then click Add.
After the backup plan is created, Cloud Backup starts the Tablestore backup job based on the specified start time and backup interval. You can view the backup plan on the Backup Plans tab.
Backup successful
At the scheduled backup time, Cloud Backup starts the backup job. The backup is successful when the Status of the backup job changes to Completed.
Cross-region backup support
To ensure business continuity in the event of a regional disaster, Cloud Backup supports creating cross-region mirror vaults for backup vaults with a Vault Type of Standard Backup or Tablestore Backup. For backup vaults that store Tablestore table data, you can create a cross-region mirror vault to implement cross-region disaster recovery for the data. After a mirror vault is created, data from the source backup vault is automatically replicated to the cross-region mirror vault to ensure data consistency between the two locations. You can also perform cross-region data restoration from the mirror vault when needed. For more information, see Cross-region Backup. In addition, Tablestore backup supports enterprise-level features such as Cross-account Backup, KMS Encryption, Backup Lock, and tag-based automatic resource association for backups.
Troubleshooting
If the Status of a backup plan or backup job is abnormal, refer to the following suggestions.
The Status of the backup job is Failed
Follow the on-screen prompts to check and correct the configuration.
The Instance Status of the Tablestore instance is Released
This status indicates that the Tablestore instance has been deleted.
If the Tablestore instance was intentionally deleted, you can ignore the backup job status. To avoid incurring additional storage capacity fees, in the navigation pane on the left, click Storage Vaults, find the corresponding backup vault, and then delete it.
If the Tablestore instance was accidentally deleted and you want to restore the data, create a Tablestore instance in the same region to use as the restoration destination. For more information, see Restore a Tablestore data table.
The Plan Status of the backup plan is Disabled
This status indicates that the backup plan is paused. When a plan is paused, Cloud Backup no longer backs up the Tablestore instance. You must enable the backup plan to resume backups.
Related operations
After you create a backup plan, you can perform the following operations.
Operation | Description |
Plan Status | This is the switch for the backup plan. It is enabled by default after the plan is created. To pause the plan, turn off the Plan Status switch. |
Edit | If a created Tablestore backup job does not meet your requirements, you can edit the backup plan. |
Perform Full Backup Now | Immediately start a full backup job. |
Perform Incremental Backup Now | Immediately start an incremental backup job. |
Alert Settings | Set alerts for backup jobs.
To add an alert contact, see Manage alert contacts. |
Delete | Delete the backup plan. After a backup plan is deleted, it no longer runs. However, the existing backup data is retained. |
What to do next
References
Cloud Backup provides resource plans for various backup scenarios. These plans offer significant price discounts and can help you save on costs. For more information, see Resource plan purchase guide.