Create racks

Before you add a physical machine to a datacenter, you need to create the rack it will belong to.

A rack is a logical set of physical machines providing the same level of compute service.

Each rack also defines a VLAN pool for all the physical machines inside the rack. This pool is used to provide private networks to virtual datacenters.

To create a rack:

1. Go to Infrastructure → Private

2. Select a datacenter

3. At the bottom of the Physical servers list, click the + add button and select Rack

   Open

   

4. Enter the Name and optional values

   Open

   

    

    

5. Go to Network

   1. For Network ID min and Network ID max, enter the range of the tags (e.g. VLAN or VXLAN tags) to use on this rack for private networks

   2. For Excluded network IDs, enter a comma-separated list of ranges (with a dash "-") and/or individual tags that you will use for other networks.

   3. For Reserved networks per VDC enter the number of networks that you generally expect VDCs to use.
      Note that this is not a real reservation, but it will prevent the creation of too many VDCs on the rack in total.
      These networks are NOT reserved for any specific VDC.
      If the maximum networks or allocation limits can exceed this setting, the networks may be all used before this setting is reached.
      To prevent users from using more than a certain number of networks, set allocation limits.

   4. For Network pool size enter the number of VLANs to reserve for already deployed VDCs that use more than the expected number. 
      These network tags are kept for use in deployed VDCs after the total number of networks created exceeds the total reserved (expected) number.
      Users can deploy new VDCs in a rack if there are enough network tags for a new VDC to deploy without using network tags from this pool.

6. Click Save

Related pages:

• See Tune VLAN parameters for racks in VLAN allocation algorithm