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ZStack 3.10.0>Tutorials>Advanced Features>V2V Migration Tutorial>V2V Conversion Host
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V2V Conversion Host

To perform V2V migrations, specify a host in a destination cluster as the V2V conversion host.
  • A V2V conversion host must have sufficient hardware resources, such as network bandwidth and disk space. The following table lists the minimum configuration requirements.
    Table 1. Minimum Configuration Requirements for V2V Conversion Host
    Hardware Configuration Requirements
    CPU Minimum 8 cores
    Memory Minimum 16 GB
    Network Minimum 1 Gigabyte NIC
    Storage Minimum 50 GB for the rest of storage spaces
    Note: You can modify the storage configuration according to the number of VM instances to be migrated.
  • The type of the V2V conversion host must be consistent with that of the source cloud platform.
  • You can set an independent migration network and a network QoS for a V2V conversion host to control transmission bottlenecks and to improve migration efficiencies.
You can perform the following operations on a V2V conversion host:
  • Add a conversion host
  • Enable or disable a conversion host
  • Set or cancel the network bandwidth
  • Delete a conversion host

Add Conversion Host

In the navigation pane of the ZStack Private Cloud UI, choose Advanced Function > Migration Service > V2V Conversion Host. On the V2V Conversion Host page, click Add V2V Conversion Host. On the displayed Add V2V Conversion Host page, set the following parameters:
  • Name: Enter a name for the V2V conversion host.
  • Description: Optional. Enter a description for the V2V conversion host.
  • Type: Select a V2V conversion host type, including VMware and KVM.
    Note: The type of the V2V conversion host must be consistent with that of the source cloud platform.
  • Host: Select a host from the destination cluster as the V2V conversion host.
    Note: A host cannot be used as both the VMware conversion host and the KVM conversion host at the same time.
  • Storage Path: Enter a local path on the V2V conversion host as the storage path.
    Note: During the V2V migrations process, the VM system and data will be cached to the V2V conversion host, and then imported to a destination primary storage.
  • Migration Network: Optional. If you deployed an independent network for V2V migration, enter the CIDR of the network.
    Note:
    • If you deployed an independent network for V2V migration, you could add the network to the cloud directly.
    • In a V2V migration scenario, the migration network is used to convert data migrated from the destination primary storage to the V2V conversion host.
    • Using an independent migration network can avoid network congestion and improve transmission efficiencies.
    • If not set, the management network will be used by default for V2V migration.
  • Upstream Bandwidth: Optional. Set the upstream bandwidth of the V2V conversion host. This parameter limits the speed of uploading data from the V2V conversion host to the destination primary storage.
    Note: This parameter must be an integer. Unit: Kbps, Mbps, or Gbps. Range: 8 Kbps-32 Gbps.
  • Downstream Bandwidth: Optional. Set the downstream bandwidth for the V2V conversion host. This parameter limits the speed of downloading data from the source primary storage to the V2V conversion host.
    Note: This parameter must be an integer. Unit: Kbps, Mbps, or Gbps. Range: 8 Kbps-32 Gbps.
As shown in Add V2V Conversion Host.
Figure 1. Add V2V Conversion Host


V2V Conversion Host Details Page

On the V2V Conversion Host page, click on the name of a V2V conversion host. Then, the details page of the V2V conversion host is displayed. On the details page, you can view the conversion host status and information, including the basic attributes, monitoring data, and audit.
  • Basic attributes: Displays the current state, name, description, storage path, total capacity, available capacity, migration network, conversion host type, upstream bandwidth, downstream bandwidth, total CPU core count, available CPU core count, total size (total memory capacity), available size (available memory capacity), UUID, and information about the related host. The name, description, upstream bandwidth, and downstream bandwidth of the V2V conversion host can be modified.
    Note:
    • Total capacity or available capacity of a V2V conversion host:
      • Total capacity: the total capacity of the disk where the storage path is located
      • Available capacity: the available capacity of the disk where the storage path is located - the used capacity of a running V2V job (sum of root volume capacity and disk volume capacity of related source VM instances)
  • Monitoring data: allows you to view the real-time capacity of the disk where the storage path for the V2V conversion host is located by selecting different time ranges.
    • Supported time range: 15 minutes, 1 hour, 6 hours, 1 day, 2 weeks, 8 weeks, and 1 year.
    • Monitoring item:
      • Used capacity in percent: displays the percentage of the used capacity of the disk where the storage path of the V2V conversion host is located. Unit: %.
    • Monitoring object: the capacity of disk where the storage path of the V2V conversion host is located.
  • Audit: allows you to check related operations of the V2V conversion host.

Enable/Disable V2V Conversion Host

  • Enable V2V conversion host: Enable the V2V conversion host that you stopped.
  • Disable V2V conversion host: Disable a V2V conversion host.
    Note: If you disable a V2V conversion host when you perform a V2V job, the job will not be affected.

Set or Cancel Network Bandwidth

  • Set network bandwidth: Set the upstream or downstream bandwidth for a V2V conversion host.
  • Cancel network bandwidth: Cancel the configured upstream or downstream bandwidth of the V2V conversion host.

Delete V2V Conversion Host

Delete V2V conversion host: Delete a V2V conversion host.
Note: If you delete a V2V conversion host, the running V2V jobs will be canceled automatically, but the resources that are migrated successfully will not be affected.

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