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          • Before You Start - Volume Backup Service

            Before You Start - Volume Backup Service

            Public services, such as Elastic Cloud Server (ECS), Elastic Volume Service (EVS), Object Storage Service (OBS), Virtual Private Cloud (VPC), Elastic IP (EIP), and Image Management Service (IMS), are shared within the same region.

            Help > Volume Backup Service > API Reference
          • Permissions Policies and Supported Actions - Volume Backup Service

            Permissions Policies and Supported Actions - Volume Backup Service

            For example, if an IAM user queries ECSs using an API, the user must have been granted permissions that allow the ecs:servers:list action. Supported Actions VBS provides system-defined policies that can be directly used in IAM.

            Help > Volume Backup Service > API Reference
          • Region and AZ - Volume Backup Service

            Region and AZ - Volume Backup Service

            Public services, such as Elastic Cloud Server (ECS), Elastic Volume Service (EVS), Object Storage Service (OBS), Virtual Private Cloud (VPC), Elastic IP (EIP), and Image Management Service (IMS), are shared within the same region.

            Help > Volume Backup Service > Service Overview
          • Region and AZ - Volume Backup Service

            Region and AZ - Volume Backup Service

            Public services, such as Elastic Cloud Server (ECS), Elastic Volume Service (EVS), Object Storage Service (OBS), Virtual Private Cloud (VPC), Elastic IP (EIP), and Image Management Service (IMS), are shared within the same region.

            Help > Volume Backup Service > Service Overview
          • Can a VBS Backup of a System Disk Be Used to Restore the System Disk of an ECS? - Volume Backup Service

            Can a VBS Backup of a System Disk Be Used to Restore the System Disk of an ECS? - Volume Backup Service

            Can a VBS Backup of a System Disk Be Used to Restore the System Disk of an ECS? Yes. You can restore the system disk using a VBS backup. Before restoring the system disk, you must detach it from the ECS. You can also use a VBS backup of the system disk to create new EVS disks.

            Help > Volume Backup Service > FAQs
          • Can a VBS Backup of a System Disk Be Used to Restore the System Disk of an ECS? - Volume Backup Service

            Can a VBS Backup of a System Disk Be Used to Restore the System Disk of an ECS? - Volume Backup Service

            Can a VBS Backup of a System Disk Be Used to Restore the System Disk of an ECS? Yes. You can restore the system disk using a VBS backup. Before restoring the system disk, you must detach it from the ECS. You can also use a VBS backup of the system disk to create new EVS disks.

            Help > Volume Backup Service > FAQs
          • Related Services - Volume Backup Service

            Related Services - Volume Backup Service

            Cloud Trace Service (CTS) Viewing VBS Traces Table 2 CSBS and VBS Item CSBS VBS Backup and restoration objects All EVS disks (including system and data disks) on a single ECS One or more specified EVS disks (system or data disks) Recommended scenario An entire ECS needs to be protected

            Help > Volume Backup Service > Service Overview
          • Related Services - Volume Backup Service

            Related Services - Volume Backup Service

            Cloud Trace Service (CTS) Viewing VBS Traces Table 2 CSBS and VBS Item CSBS VBS Backup and restoration objects All EVS disks (including system and data disks) on a single ECS One or more specified EVS disks (system or data disks) Recommended scenario An entire ECS needs to be protected

            Help > Volume Backup Service > Service Overview
          • Associating EVS Disks with a Backup Policy or Disassociating Them from a Backup Policy - Volume Backup Service

            Associating EVS Disks with a Backup Policy or Disassociating Them from a Backup Policy - Volume Backup Service

            Optional: In the search box above the list, select a state and specify whether to search for an EVS disk by EVS disk name, EVS disk ID, or ECS ID and enter the corresponding value to search. Confirm the selected EVS disks to add them to the Selected Disks list on the right.

            Help > Volume Backup Service > User Guide > Data Backup Using a Backup Policy
          • Associating EVS Disks with a Backup Policy or Disassociating Them from a Backup Policy - Volume Backup Service

            Associating EVS Disks with a Backup Policy or Disassociating Them from a Backup Policy - Volume Backup Service

            Optional: In the search box above the list, select a state and specify whether to search for an EVS disk by EVS disk name, EVS disk ID, or ECS ID and enter the corresponding value to search. Confirm the selected EVS disks to add them to the Selected Disks list on the right.

            Help > Volume Backup Service > User Guide > Data Backup Using a Backup Policy
          • Is There a Quota Limit on the Number of Backups? - Volume Backup Service

            Is There a Quota Limit on the Number of Backups? - Volume Backup Service

            Quotas can limit the number or amount of resources available to users, such as the maximum number of ECS or EVS disks that can be created. If the existing resource quota cannot meet your service requirements, you can apply for a higher quota. How Do I View My Quotas?

            Help > Volume Backup Service > FAQs
          • Why Is the Disk Space Usage Displayed in the File System Different from the Backup Size? - Volume Backup Service

            Why Is the Disk Space Usage Displayed in the File System Different from the Backup Size? - Volume Backup Service

            The ECS backup size is larger than the used disk space displayed in the file system. Possible Causes The possible causes are as follows: The metadata of the file system occupies disk space. The disk is formatted.

            Help > Volume Backup Service > FAQs
          • Why Is the Disk Space Usage Displayed in the File System Different from the Backup Size? - Volume Backup Service

            Why Is the Disk Space Usage Displayed in the File System Different from the Backup Size? - Volume Backup Service

            The ECS backup size is larger than the used disk space displayed in the file system. Possible Causes The possible causes are as follows: The metadata of the file system occupies disk space. The disk is formatted.

            Help > Volume Backup Service > FAQs
          • Can I Use a VBS Backup to Restore an EVS Disk Whose Capacity Has Been Expanded? - Volume Backup Service

            Can I Use a VBS Backup to Restore an EVS Disk Whose Capacity Has Been Expanded? - Volume Backup Service

            If you want to use the capacity added to the disk, you need to attach the restored disk to an ECS, log in to the ECS, and then manually modify the file system configuration.

            Help > Volume Backup Service > FAQs
          • Can I Use a VBS Backup to Restore an EVS Disk Whose Capacity Has Been Expanded? - Volume Backup Service

            Can I Use a VBS Backup to Restore an EVS Disk Whose Capacity Has Been Expanded? - Volume Backup Service

            If you want to use the capacity added to the disk, you need to attach the restored disk to an ECS, log in to the ECS, and then manually modify the file system configuration.

            Help > Volume Backup Service > FAQs
          • What Are Full Backup and Incremental Backup? - Volume Backup Service

            What Are Full Backup and Incremental Backup? - Volume Backup Service

            After an initial full backup, an ECS continues to be backed up incrementally by default. The initial full backup covers data on every disk of the ECS. If a 100 GB disk contains 40 GB data, the initial backup consumes 40 GB backup space.

            Help > Volume Backup Service > FAQs
          • What Are Full Backup and Incremental Backup? - Volume Backup Service

            What Are Full Backup and Incremental Backup? - Volume Backup Service

            After an initial full backup, an ECS continues to be backed up incrementally by default. The initial full backup covers data on every disk of the ECS. If a 100 GB disk contains 40 GB data, the initial backup consumes 40 GB backup space.

            Help > Volume Backup Service > FAQs
          • What Are the Differences Between CSBS and VBS? - Volume Backup Service

            What Are the Differences Between CSBS and VBS? - Volume Backup Service

            An entire ECS needs to be protected. Advantages Data is secure while the service is cost-competitive. All EVS disks on an ECS have consistent data.

            Help > Volume Backup Service > FAQs
          • What Are the Differences Between CSBS and VBS? - Volume Backup Service

            What Are the Differences Between CSBS and VBS? - Volume Backup Service

            An entire ECS needs to be protected. Advantages Data is secure while the service is cost-competitive. All EVS disks on an ECS have consistent data.

            Help > Volume Backup Service > FAQs
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