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ZStack Cloud 5.3.20>ZStack Cloud Tutorials>ZStack Cloud Advanced Features>Backup Service Tutorial>Typical Practices
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Typical Practices

This chapter includes scenarios of local backup practice, remote backup practice, and Public Cloud backup practice.


Local Backup Practice

About this task

Assume that you have deployed the latest ZStack Cloud environment on local and purchased both the Base License and the Plus License of Backup Service. Now, you plan to add a local backup server to backup VM instances with non-shared volumes. Assume that the data is backed up to a local backup server, and the service VM instance is mistakenly expunged, causing Web service interruption (http://192.168.1.1) and data loss. After you have recovered the data from the local backup server, the service and data are both back to normal.

Figure 1. Local Backup Scenario Typology


The following table lists an example of a local backup server configurations.
Table 1. Local Backup Server Configuration
Local Backup Server Configuration
Backup Server IP 192.168.0.1
Mount Path /local_ds
SSH Port 22
User Name root
Password password
Backup Network 192.168.0.0/24
Follow these steps to run your local backup practice:
  1. Add a local backup server.
  2. Create a backup job.
  3. Check the local backup data and the service state.
  4. Expunge the VM instance by mistake.
  5. Recover the backup data of VM instance and volume to local.
  6. Validate whether the service is recovered.

Procedure

  1. Add a local backup server.

    On the main menu of ZStack Cloud, choose Platform O&M > Backup Management > Backup Server > Local Backup Sever. On the Local Backup Sever page, click Add Local Backup Sever. Then, the Add Local Backup Sever page is displayed.

    On the displayed page, set the following parameters:
    • Zone: By default, the current zone is displayed.
    • Addition Method: In this scenario, select Add Server.
    • Name: Enter a name for the local backup server.
    • Description: Optional. Enter a description for the local backup server.
    • Backup Server IP: Enter the IP address of the local backup server. In this scenario, enter 192.168.0.1.
      Note: Make sure that the backup server uses an operating system consistent with that of the management node.
    • Mount Path: Enter the path to which the storage is mounted. In this scenario, enter /local_ds.
    • SSH Port: Enter the SSH port. Default: 22.
    • User Name: Enter the user name. Default: root.
    • Password: Enter the password of the corresponding user. In this scenario, enter password.
    • Backup Network: Optional. Set the backup network. In this scenario, enter 192.168.0.0/24.
    • Backup Data: Choose whether to scan the existing backup data. In this scenario, unselect the checkbox.
    Figure 2. Add Local Backup Server


  2. Create a backup job.

    On the main menu of ZStack Cloud, choose Platform O&M > Backup Management > Backup Service > Backup Job. Then the Backup Job page appears. On the page, choose VM/Volume > Create Backup Job. Then, the Create Backup Job page is displayed.

    To create a backup job, follow these four steps:

    1. Set basic information.
      • Name: Enter a name for the backup job.
      • Description: Optional. Enter a description for the backup job.
      • Local Backup Server: Specify one or two local backup servers. In this scenario, select a local backup server that you added in step1.
      • Sync to Remote Backup Server: Choose whether to sync local backup data to a remote backup server. In this scenario, we do not enable this option.
      • Set QoS: Optional. You can set network QoS and disk QoS for the backup job. In this scenario, we do not set QoS for the backup job.
      Figure 3. Set Basic Information


    2. Select backup resource.
      • Backup Resource: Select the type of resource that you need to back up. In this scenario, select VM Instance.
      • VM Instance: Select one or more VM instances that you need to back up. In this scenario, select your service VM instance.
      • Back up Attached Volume: You can back up all volumes that are attached to the selected VM instances. In this scenario, enable this option.
      Figure 4. Select Backup Resource


    3. Set backup policy.
      • Backup Mode: Select a backup mode for a backup job. In this scenario, select Incremental Backup + Default Full Backup.
      • Incremental Backup Policy: Customize an incremental backup policy.
        • Backup Cycle: Select Backup by Week and Mon in this scenario.
        • Execution Time: Set 00:00:00 in this scenario.
        • Schedule Effective Time: Choose whether to schedule the time when the backup job takes effect. In this scenario, we do not enable this option.
      • Backup Immediately: Choose whether to back up data immediately after the backup job is created. In this scenario, select the checkbox.
      • Local Retention Policy: Set the policy how the local backup data is reserved. In this scenario, retain only the latest 5 backups generated.
      Figure 5. Set Backup Policy


    4. Preview.

      Preview the backup job. You can modify the configuration of the backup job by clicking the Edit icon.

      Figure 6. Preview


  3. Check the local backup data and the service state.
    1. Check the local backup data of the VM instance.

      On the main menu of ZStack Cloud, choose Platform O&M > Backup Management > Backup Service > Local Backup Data. Then, the Local Backup Data page is displayed. You can check the service VM instance backup data.

      Figure 7. VM Instance Backup Data


    2. Check the service state.

      Use a browser to access to the Web service URL and confirm that the VM instance can normally provide Web service and the data is normal.

      Figure 8. Web Service


  4. Expunge the VM instance by mistake.

    Assume that you mistakenly expunge the service VM instance causing Web service interruption.

    Figure 9. Web Service Interruption


  5. Recover the backup data of VM instance and volume to local.

    On the main menu of ZStack Cloud, choose Platform O&M > Backup Management > Backup Service > Local Backup Data. On the Local Backup Data page, locate the backup data of the mistakenly expunged VM instance and click Actions > Restore. Then, the Recover Backup Data page is displayed.

    On the displayed page, set the following parameters:
    • Recover Policy: In this scenario, select New Resource.
    • Name: Enter a name for the new resource.
    • Description: Optional. Enter a description for the new resource.
    • Instance Offering: Select an existing instance offering.
    • Network Configuration: Configure the network resources and network services for the VM instance.
      • Network: Select an L3 network for the VM instance. In this scenario, select flat network.
      • Make Default: Set one of the networks as the default network of the VM instance.
      • Specify IP: Optional. Choose whether to specify an IP address to the VM instance. In this scenario, specify 192.168.1.1.
      • Specify MAC Address: Optional. Choose whether to customize a MAC address for the VM instance.
      • Security Group: Optional. Associate an existing security group with the VM instance.
    • Recover Volume Data: Optional. Choose whether to recover the data of the volume that attached to the VM instance. In this scenario, enable this option.
    • Advanced Settings: Optional. Configure advanced policies for recovering backup data. In this scenario, we do not specify advanced settings.
    Figure 10. Recover Backup Data


  6. Validate whether the service is recovered.

    Use a browser to access to the Web service URL and confirm that the VM instance can normally provide Web service and the data is normal.

    Figure 11. Web Service


What to do next

So far, we have introduced the typical practice of the local backup scenario.


Remote Backup Practice

About this task

Assume that you have deployed the latest ZStack Cloud environment on local and purchased both the Base License and the Plus License of Backup Service. Now, you plan to add a local backup server and a remote backup server to backup a service VM instance with non-shared volumes. The data is backed up to the local backup server and synced to the remote backup server in Zone-1. Assume that you have mistakenly expunged a service VM instance causing Web service interruption (http://192.168.1.1) and data loss. In addition, the local backup server is destroyed, so you have to recover backup data from the remote backup server. After data is recovered, both the service and data are back to normal.

Figure 1. Remote Backup Scenario Typology


The following tables list the examples of a local backup server and remote backup server configurations.
Table 1. Local Backup Server Configuration
Local Backup Server Configuration
Backup Server IP 192.168.0.1
Mount Path /local_ds
SSH Port 22
User Name root
Password password
Backup Network 192.168.0.0/24
Table 2. Remote Backup Server Configuration
Remote Backup Server Configuration
Backup Server IP 172.20.0.1
Mount Path /remote_ds
SSH Port 22
User Name root
Password password
Follow these steps to run your remote backup practice:
  1. Add backup servers.
  2. Create a backup job.
  3. Check the state of local backup data, remote backup data, and the service.
  4. Expunge the VM instance by mistake.
  5. Recover VM instance/volume backup data.
  6. Validate whether the service is recovered.

Procedure

  1. Add backup servers.
    1. Add a local backup server.

      On the main menu of ZStack Cloud, choose Platform O&M > Backup Management > Backup Server > Local Backup Sever. On the Local Backup Sever page, click Add Local Backup Sever. Then, the Add Local Backup Sever page is displayed.

      On the displayed page, set the following parameters:
      • Zone: By default, the current zone is displayed.
      • Addition Method: In this scenario, select Add Server.
      • Name: Enter a name for the local backup server.
      • Description: Optional. Enter a description for the local backup server.
      • Backup Server IP: Enter the IP address of the local backup server. In this scenario, enter 192.168.0.1.
        Note: Make sure that the backup server uses an operating system consistent with that of the management node.
      • Mount Path: Enter the path to which the storage is mounted. In this scenario, enter /local_ds.
      • SSH Port: Enter the SSH port. Default: 22.
      • User Name: Enter the user name. Default: root.
      • Password: Enter the password of the corresponding user. In this scenario, enter password.
      • Backup Network: Optional. Set the backup network. In this scenario, enter 192.168.0.0/24.
      • Backup Data: Choose whether to scan the existing backup data. In this scenario, unselect the checkbox.
      Figure 2. Add Local Backup Server


    2. Add a remote backup server.

      On the main menu of ZStack Cloud, choose Platform O&M > Backup Management > Backup Server > Remote Backup Sever. On the Remote Backup Sever page, click Add Remote Backup Sever. Then, the Add Remote Backup Sever page is displayed.

      On the displayed page, set the following parameters:
      • Name: Enter a name for the remote backup server.
      • Description: Optional. Enter a description for the remote backup server.
      • Type: Select Remote Backup in this scenario.
      • Zone: Select the zone to which the remote backup server is mounted. In this scenario, select ZONE-1.
      • Backup Server IP: Enter the IP address of the remote backup server. In this scenario, enter 172.20.0.1.
        Note: Make sure that the backup server uses an operating system consistent with that of the management node of ZStack Cloud.
      • Mount Path: Enter the path to which the storage is mounted. In this scenario, enter /remote_ds.
      • SSH Port: Enter the SSH port. Default: 22.
      • User Name: Enter the user name. Default: root.
      • Password: Enter the password. In this scenario, enter password.
      Figure 3. Add Remote Backup Server


  2. Create a backup job.

    On the main menu of ZStack Cloud, choose Platform O&M > Backup Management > Backup Service > Backup Job. Then the Backup Job page appears. On the page, choose VM/Volume > Create Backup Job. Then, the Create Backup Job page is displayed.

    To create a backup job, follow these four steps:

    1. Set basic information.
      • Name: Enter a name for the backup job.
      • Description: Optional. Enter a description for the backup job.
      • Local Backup Server: Specify one or two local backup servers. In this scenario, select a local backup server that you added in step1.
      • Sync to Remote Backup Server: Choose whether to sync local backup data to a remote backup server. In this scenario, enable this option.
      • Remote Backup Server: Select the remote backup server that you added in step 1.
      • Set QoS: Optional. You can set network QoS and disk QoS for the backup job. In this scenario, we do not set QoS for the backup job.
      Figure 4. Set Basic Information


    2. Select backup resource.
      • Backup Resource: Select the type of resource that you need to back up. In this scenario, select VM Instance.
      • VM Instance: Select one or more VM instances that you need to back up. In this scenario, select your service VM instance.
      • Back up Attached Volume: You can back up all volumes that are attached to the selected VM instances. In this scenario, enable this option.
      Figure 5. Select Backup Resource


    3. Set backup policy.
      • Backup Mode: Select a backup mode for a backup job. In this scenario, select Incremental Backup + Default Full Backup.
      • Incremental Backup Policy: Customize an incremental backup policy.
        • Backup Cycle: Select Backup by Week and Mon in this scenario.
        • Execution Time: Set 00:00:00 in this scenario.
        • Schedule Effective Time: Choose whether to schedule the time when the backup job takes effect. In this scenario, we do not enable this option.
      • Backup Immediately: Choose whether to back up data immediately after the backup job is created. In this scenario, select the checkbox.
      • Local Retention Policy: Set the policy how the local backup data is reserved. In this scenario, retain only the latest 5 backups generated.
      • Remote Retention Policy: Set the policy how the remote backup data is reserved. In this scenario, retain only the latest 5 backups generated.
      Figure 6. Set Backup Policy


    4. Preview.

      Preview the backup job. You can modify the configuration of the backup job by clicking the Edit icon.

      Figure 7. Preview


  3. Check the state of local backup data, remote backup data, and the service.
    1. Check the local backup data of the VM instance.

      On the main menu of ZStack Cloud, choose Platform O&M > Backup Management > Backup Service > Local Backup Data. Then, the Local Backup Data page is displayed. You can check the service VM instance backup data.

      Figure 8. VM Instance Backup Data


    2. Check the remote backup data of the VM instance.

      On the main menu of ZStack Cloud, choose Platform O&M > Backup Management > Backup Server > Remote Backup Server. On the Remote Backup Server page, click the name of the remote backup server and enter its details page. On the details page, click Backup Data. Then, the Backup Data tab is displayed. You can check the service VM instance backup data.

      Figure 9. Remote Backup Server Backup Data


    3. Check the service state.

      Use a browser to access to the Web service URL and confirm that the VM instance can normally provide Web service and the data is normal.

      Figure 10. Web Service


  4. Expunge the VM instance by mistake.

    Assume that you mistakenly expunge the service VM instance causing Web service interruption.

    Figure 11. Web Service Interruption


  5. Recover VM instance/volume backup data.
    1. Synchronize backup data from remote backup server to local backup server.

      On the main menu of ZStack Cloud, choose Platform O&M > Backup Management > Backup Server > Remote Backup Server. On the Remote Backup Server page, click the name of the remote backup server and enter its details page. On the details page, click Backup Data. Then, the Backup Data tab is displayed. On the displayed tab, locate the backup data and click Actions > Sync to Local. On the Select Local Backup Server drawer, select a local backup server.

      Figure 12. Sync to Local


  6. Recover the backup data of VM instance and volume to local.

    On the main menu of ZStack Cloud, choose Platform O&M > Backup Management > Backup Service > Local Backup Data. On the Local Backup Data page, locate the backup data of the mistakenly expunged VM instance and click Actions > Restore. Then, the Recover Backup Data page is displayed.

    On the displayed page, set the following parameters:
    • Recover Policy: In this scenario, select New Resource.
    • Name: Enter a name for the new resource.
    • Description: Optional. Enter a description for the new resource.
    • Instance Offering: Select an existing instance offering.
    • Network Configuration: Configure the network resources and network services for the VM instance.
      • Network: Select an L3 network for the VM instance. In this scenario, select flat network.
      • Make Default: Set one of the networks as the default network of the VM instance.
      • Specify IP: Optional. Choose whether to specify an IP address to the VM instance. In this scenario, specify 192.168.1.1.
      • Specify MAC Address: Optional. Choose whether to customize a MAC address for the VM instance.
      • Security Group: Optional. Associate an existing security group with the VM instance.
    • Recover Volume Data: Optional. Choose whether to recover the data of the volume that attached to the VM instance. In this scenario, enable this option.
    • Advanced Settings: Optional. Configure advanced policies for recovering backup data. In this scenario, we do not specify advanced settings.
    Figure 13. Recover Backup Data


  7. Validate whether the service is recovered.

    Use a browser to access to the Web service URL and confirm that the VM instance can normally provide Web service and the data is normal.

    Figure 14. Web Service


What to do next

So far, we have introduced the typical practice of the remote backup scenario.


Public Cloud Backup Practice

About this task

Assume that you have deployed the latest ZStack Cloud environment on local, purchased both the Base License and the Plus License of Backup Service, and owned an ECS instance on Alibaba Cloud. Now, you plan to add a local backup server and an ECS instance as the Public Cloud backup server. The data is backed up to the local backup server and synced to the Public Cloud backup server in Zone-1. Assume that the VM instance data is mistakenly changed causing Web service data error (http://192.168.1.1). In addition, the local backup server is destroyed, so you have to recover data from the Public Cloud backup server. After data is recovered, both the service and data are back to normal.

Figure 1. Public Cloud Backup Scenario


The following tables list the examples of a local backup server and Public Cloud backup server configurations.
Table 1. Local Backup Server Configuration
Local Backup Server Configuration
Backup Server IP 192.168.0.1
Mount Path /local_ds
SSH Port 22
User Name root
Password password
Backup Network 192.168.0.0/24
Table 2. Public Cloud Backup Server Configuration
Public Cloud Backup Server Configuration
Backup Server IP 172.20.0.1
Mount Path /public_ds
SSH Port 22
User Name root
Password password
Follow these steps to run your Public Cloud backup practice:
  1. Configure an Alibaba Cloud ECS instance as the Public Cloud backup server.
  2. Add backup servers.
  3. Create a backup job.
  4. Check the state of local backup data, Public Cloud backup data, and the service.
  5. Mistakenly change the original data.
  6. Recover VM instance backup data.
  7. Validate whether the service is recovered.

Procedure

  1. Configure an Alibaba Cloud ECS instance as a Public Cloud backup server.
    1. Download a standard backup service image (DR image) from the official website.
      • Software: ZStack-DS-5.3.20.qcow2
      • Download address: Click here
    2. Create an ECS instance based on the DR image.
      Prepare an Alibaba Cloud VPC. Create an ECS instance with a public network IP based on the vSwitch in the VPC.
    3. Purchase an NAS storage on Alibaba Cloud Console.
      On Alibaba Cloud Console, choose Product and Services > > File Storage NAS and click Buy Now. Set Region, Zone, Storage Type, Protocol Type, and other information. Then, purchase the NAS storage.
    4. Attach the NAS storage to the VM instance manually.
      Log on to the console of the ECS instance and run following commands to attach the NAS storage:
      [root@localhost ~]# mkdir /cloud_bs #Create a mount directory  [root@localhost ~]# mount -t nfs4 xxxxxxxxxx-snp66.cn-shanghai.nas.aliyuncs.com:/ /zstack_bs #Query the mount path of the NAS on Alibaba Cloud Console. For example, xxxxxxxxxx-snp66.cn-shanghai.nas.aliyuncs.com #Attach the NAS storage to /cloud_bs  [root@localhost ~]# df -h Filesystem                                       Size  Used Avail Use% Mounted on /dev/vda1                                         40G  3.7G   34G  10% / devtmpfs                                         488M     0  488M   0% /dev tmpfs                                            497M     0  497M   0% /dev/shm tmpfs                                            497M   50M  447M  11% /run tmpfs                                            497M     0  497M   0% /sys/fs/cgroup tmpfs                                            100M     0  100M   0% /run/user/0 xxxxxxxxxx-snp66.cn-shanghai.nas.aliyuncs.com:/  1.0P  292G  1.0P   1% /cloud_bs
  2. Add backup servers.
    1. Add a local backup server.

      On the main menu of ZStack Cloud, choose Platform O&M > Backup Management > Backup Server > Local Backup Sever. On the Local Backup Sever page, click Add Local Backup Sever. Then, the Add Local Backup Sever page is displayed.

      On the displayed page, set the following parameters:
      • Zone: By default, the current zone is displayed.
      • Addition Method: In this scenario, select Add Server.
      • Name: Enter a name for the local backup server.
      • Description: Optional. Enter a description for the local backup server.
      • Backup Server IP: Enter the IP address of the local backup server. In this scenario, enter 192.168.0.1.
        Note: Make sure that the backup server uses an operating system consistent with that of the management node.
      • Mount Path: Enter the path to which the storage is mounted. In this scenario, enter /local_ds.
      • SSH Port: Enter the SSH port. Default: 22.
      • User Name: Enter the user name. Default: root.
      • Password: Enter the password of the corresponding user. In this scenario, enter password.
      • Backup Network: Optional. Set the backup network. In this scenario, enter 192.168.0.0/24.
      • Backup Data: Choose whether to scan the existing backup data. In this scenario, unselect the checkbox.
      Figure 2. Add Local Backup Server


    2. Add a Public Cloud backup server.

      On the main menu of ZStack Cloud, choose Platform O&M > Backup Management > Backup Server > Remote Backup Sever. On the Remote Backup Sever page, click Add Remote Backup Sever. Then, the Add Remote Backup Sever page is displayed.

      On the displayed page, set the following parameters:
      • Name: Enter a name for the remote backup server.
      • Description: Optional. Enter a description for the remote backup server.
      • Type: Select Alibaba Cloud Backup in this scenario.
      • Zone: Select the zone to which the Alibaba Cloud backup server is mounted. In this scenario, select ZONE-1.
      • Backup Server IP: Enter the IP address of the Alibaba Cloud backup server. In this scenario, enter 172.20.0.1.
      • Mount Path: Enter the path to which the Alibaba Cloud backup server is mounted. In this scenario, enter /public_ds.
      • SSH Port: Enter the SSH port. Default: 22.
      • User Name: Enter the user name. Default: root.
      • Password: Enter the password. In this scenario, enter password.
      Figure 3. Add Alibaba Cloud Backup Server


  3. Create a backup job.

    On the main menu of ZStack Cloud, choose Platform O&M > Backup Management > Backup Service > Backup Job. Then the Backup Job page appears. On the page, choose VM/Volume > Create Backup Job. Then, the Create Backup Job page is displayed.

    To create a backup job, follow these four steps:

    1. Set basic information.
      • Name: Enter a name for the backup job.
      • Description: Optional. Enter a description for the backup job.
      • Local Backup Server: Specify one or two local backup servers. In this scenario, select a local backup server that you added in step1.
      • Sync to Remote Backup Server: Choose whether to sync local backup data to a remote backup server. In this scenario, enable this option.
      • Remote Backup Server: Select the Alibaba Cloud backup server that you added in step 1.
      • Set QoS: Optional. You can set network QoS and disk QoS for the backup job. In this scenario, we do not set QoS for the backup job.
      Figure 4. Set Basic Information


    2. Select backup resource.
      • Backup Resource: Select the type of resource that you need to back up. In this scenario, select VM Instance.
      • VM Instance: Select one or more VM instances that you need to back up. In this scenario, select your service VM instance.
      • Back up Attached Volume: You can back up all volumes that are attached to the selected VM instances. In this scenario, disable this option.
      Figure 5. Select Backup Resource


    3. Set backup policy.
      • Backup Mode: Select a backup mode for a backup job. In this scenario, select Incremental Backup + Default Full Backup.
      • Incremental Backup Policy: Customize an incremental backup policy.
        • Backup Cycle: Select Backup by Week and Mon in this scenario.
        • Execution Time: Set 00:00:00 in this scenario.
        • Schedule Effective Time: Choose whether to schedule the time when the backup job takes effect. In this scenario, we do not enable this option.
      • Backup Immediately: Choose whether to back up data immediately after the backup job is created. In this scenario, select the checkbox.
      • Local Retention Policy: Set the policy how the local backup data is reserved. In this scenario, retain only the latest 5 backups generated.
      • Remote Retention Policy: Set the policy how the remote backup data is reserved. In this scenario, retain only the latest 5 backups generated.
      Figure 6. Set Backup Policy


    4. Preview.

      Preview the backup job. You can modify the configuration of the backup job by clicking the Edit icon.

      Figure 7. Preview


  4. Check the state of local backup data, Public Cloud backup data, and the service.
    1. Check the local backup data of the VM instance.

      On the main menu of ZStack Cloud, choose Platform O&M > Backup Management > Backup Service > Local Backup Data. Then, the Local Backup Data page is displayed. You can check the service VM instance backup data.

      Figure 8. VM Instance Backup Data


    2. Check the Public Cloud backup data of the VM instance.

      On the main menu of ZStack Cloud, choose Platform O&M > Backup Management > Backup Server > Remote Backup Server. On the Remote Backup Server page, click the name of the Alibaba Cloud backup server and enter its details page. On the details page, click Backup Data. Then, the Backup Data tab is displayed. You can check the service VM instance backup data.

      Figure 9. Public Cloud Backup Server Backup Data


    3. Check the service state.

      Use a browser to access to the Web service URL and confirm that the VM instance can normally provide Web service and the data is normal.

      Figure 10. Web Service


  5. Mistakenly change the original data.

    Assume that you have changed the Web data of the service VM instance by mistake and delete the backup data in local backup server, which resulting in abnormal Web display.

    Figure 11. Error Data


  6. Recover VM instance backup data.
    1. Synchronize backup data from Alibaba Cloud backup server to local backup server.

      On the main menu of ZStack Cloud, choose Platform O&M > Backup Management > Backup Server > Remote Backup Server. On the Remote Backup Server page, click the name of the Alibaba Cloud backup server and enter its details page. On the details page, click Backup Data. Then, the Backup Data tab is displayed. On the displayed tab, locate the backup data and click Actions > Sync to Local. On the Select Local Backup Server drawer, select a local backup server.

    2. Stop service VM instance.

      On the main menu of ZStack Cloud, choose Resource Center > Resource Pool > VM Instance. On the VM Instance page, locate the service VM instance and click Actions > Power > Stop.

    3. Recover VM instance backup data.

      On the main menu of ZStack Cloud, choose Platform O&M > Backup Management > Backup Service > Local Backup Data. On the Local Backup Data page, locate the backup data of the service VM instance and click Actions > Restore. Then, the Recover Backup Data page is displayed.

      On the displayed page, set the following parameters:
      • Recovery Policy: In this scenario, select Overwrite Original Resource.
      • Name: By default, the original VM instance name is displayed.
      • Description: By default, the original VM instance description is displayed.
      Figure 12. Recover Backup Data


  7. Validate whether the service is recovered.

    Use a browser to access to the Web service URL and confirm that the VM instance can normally provide Web service and the data is normal.

    Figure 13. Web Service


What to do next

So far, we have introduced the typical practice of the Public Cloud backup scenario.

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