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Introduction to virtual datacenters

In the Virtual virtual datacentersin myCloud view you can manage your virtual compute, network, and storage resources. Each virtual datacenter (VDC) is a separate cloud environment in a single datacenter or public cloud region.  In private cloud a virtual datacenter is on a single rack so that a private network has one network tag, such as a VLAN tag, in the switch on the same rack.

To access Virtual datacenters view, click the myCloud button in the main menu and then click the cloud virtual datacenters button at the top left of the screen.

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To display all the virtual datacenters in specific providers, click the funnel filter button at the top of the list and select one or more providers.

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• In Azure, before you create a virtual datacenter, Create create a resource group and optionally Create you can also create an availability set. See Manage resource groups and Manage availability sets

• In Google Cloud Platform, before you create a virtual datacenter, Create create a global network and Create create a subnet See Manage global networks and subnets

To create a new virtual datacenter with standard networking:

1. Go to myCloud view → Virtual datacenters

2. Below the V. datacenters list, click the + add button

3. Select Create a new virtual datacenter from the pull-down menu

4. For the General information:

   1. For the Location select the datacenter or public cloud region to use

   2. For the Network select from:

      1. Default: Create The platform creates a private network using the platform settings (default private or external) using platform configurationfrom Configuration view → Network) and assigns the default network (from the enterprise or platform settings)

      2. None: The platform does not create a private network or assign the default network. This option is not available in Azure or OCI.

      3. Custom Private: Create The platform creates a custom private network (see details below) and assigns the default network (from the enterprise or platform settings)

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   3. If your environment uses NAT, you can select:

      1. NAT network: to use for the default SNAT rule

      2. Default NAT IP: for the default SNAT rule

5. Click Save

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Create a virtual datacenter with no network

When you create a virtual datacenter with the None option for the Network, the platform does not create a default private network or assign the default network of the enterprise or platform.

If there is no default network in the virtual datacenter, and the user tries to deploy a VM without a NIC, then the deploy will fail because the platform cannot automatically assign an IP address.

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Create a virtual datacenter with a default or custom network

When you create a virtual datacenter with Default selected for the Network, the platform always creates a private network. This private network and it counts as part of your network allocation limits, even if the default network for the enterprise in the datacenter is another type of network, such as an external network.

The private network can be the Automatically-created private VLANnetwork, which is called default_private_network, or a custom private network, which will be set as the default network.you can define with the Custom private option. The platform will assign the private network as the default network if there is no other enterprise default network.

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Create a virtual datacenter with a custom private network

To create a Custom private network, complete the Network section of this dialog.

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To manage the VLANs or other networks of your virtual datacenter or to change its default network, go to Virtual datacenters → Network. See Manage networks.

• For information about changing the default network of the VDC, see Manage networks

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Create a virtual datacenter for NSX-T

If you are using NSX-T and the tenant may have more than one tier0 configuration, you may enter NSX-T parameters when you are creating a virtual datacenter.

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Manage resource allocation limits for a virtual datacenter

You can set hard limits and soft limits to control resource usage in the virtual datacenter.

• A Hard hard limit is the maximum amount of a virtual resource (e.g. RAM) that an entity will be allowed to consume. 

• A Soft soft limit warns users and administrators that the entity is running out of a resource.

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• You cannot have a hard limit only

• Soft limits must always be less than or equal to hard limits

• When a limit is equal to 0, it means that there is no limit to resource usage at this level

• When editing limits, you cannot set the hard limits below the existing resource usage, except for Local hard disk

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Consider a virtual datacenter with a soft limit of 1 virtual CPU and a hard limit of 4 virtual CPUs.

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A soft-limits message popup will allow let the user to to acknowledge the message and continue with the operationtheir action.

By default, the message will provide details of the limits, used, and requested resources.

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A hard-limits message pop-up will allow the user to acknowledge the message and terminate the operationbut the platform will stop the user action.

By default, the message will provide details of the limits, used, and requested resources.

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The platform will also display this type of message when the users exceed soft hard limits at another level, for example, enterprise, enterprise in provider, or enterprise in location.

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When you create a virtual datacenter, you can set some defaults according to your platform configuration.

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After you create the virtual datacenter, you can edit it to change the default values.

Note that Abiquo will use the enterprise’s default network in the cloud location as the default network for the new virtual datacenterTo set the default network for a virtual datacenter, see the section below.

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Set a virtual datacenter role to limit user access 

If you are able to manage user roles, you can limit user access to a virtual datacenter for users that can have their virtual datacenters restricted (usually ordinary standard cloud users).
For example, you can give users read-only access. You can only apply restricted roles to users that can have their VDCs restricted, which are users without the No VDC restriction privilege.

To limit access to a VDC virtual datacenter for cloud users:

1. Go to myCloud → Virtual datacenters

2. Create, edit, or onboard a virtual datacenter

3. Go to Roles

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4. For the Role, select a more restrictive role to replace user roles within this VDCvirtual datacenter.
   For example, to give cloud users read-only access, select the ENTERPRISE_VIEWER role

5. To create exceptions to the VDC role:

   1. Select a Username and an exception Role for the user

   2. Click Add

6. When you finish creating or editing the virtual datacenter, click Save

The exception will enable activate all privileges that are included in both the user's role and the exception role. It is not possible to grant additional privileges using a VDC role.

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The platform will create the virtual datacenter and the default private VLAN and display it in the Virtual datacenters view (and any selected private network) and you can work with its virtual resources. 

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Create a virtual datacenter using the API

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1. Go to Virtual datacenters → Edit → Defaults

2. For the Default firewall, select an appropriate firewall firewall
   

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To manage tags for a virtual datacenter: 

1. Go to Virtual datacenters → Edit a virtual datacenter → Tags

2. Add tags

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   For more details see Edit resource tags.

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Set

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the default network for

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all virtual

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datacenters

By default, the platform automatically creates a default private network for each virtual datacenter.
You can configure the default network to be a private network, an external network, or a public network.
You can configure a default network for each enterprise in a datacenter.
If you deploy a VM without assigning a NIC, the platform will add one from the default So if you deploy a VM without assigning a NIC, the platform will add one from the default network.

To configure the default networks before you create a virtual datacenter:

1. To define the default private network for all virtual datacenters in the platform, go to Configuration view → Network

2. To set the default network for all virtual datacenters in an enterprise: edit the enterprise and go to Datacenters, edit a datacenter and go to Default network. You can select the platform’s default private network or an external network of the enterprise

When you change these values, the new values will apply to new virtual datacenters.

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Set a default network after you create a virtual datacenter

After you create a virtual datacenter, you can configure the default network to be a private network, an external network, or a public network.

To set a network as the default, you will require privileges to access this network in the virtual infrastructure.

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1. Go to Virtual datacenters → select

2. Select a virtual datacenter → Network and go to Network

3. Select the network type, such as Private, External, or Public

4. Create a new private network or edit a any network

5. Select the Default network  network checkbox

   • This The new default will override the platform default network and the network set for the enterprise in the datacenternetwork will replace any previous default network

   • The new default network will apply to all VMs deployed after you set it

   • For a public network that is the virtual datacenter default, obtain IP addresses for your VMs before you deploy a VM

   • For an external network that is the virtual datacenter default, your administrator must create IP addresses in infrastructure for your VMs before you deploy a VM

The platform will mark the default network with a star symbol.

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Onboard from public cloud

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• Administration of virtual datacenters:

  • Manage networks

  • Manage firewalls

  • Manage load balancers

  • Administer and troubleshoot VMsManage persistent storage and VMs

• How users can work with VMs

  • Manage virtual machines

  • Configure virtual machines

  • Manage scaling groups

  • Manage virtual appliances

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