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VMware Cloud Foundation
Adding a Cluster to a Virtual Infrastructure (VI)
Domain
Welcome to this demonstration on adding a cluster
to an existing domain in VMware Cloud Foundation.
By default, workload domains are created with a
single vSphere Cluster. Cloud Admins can optionally add additional
clusters to a domain in order to support workload requirements.
Note: Refer to configmax.vmware.com for more
information on sizing and best practices.
We begin at the vSphere Web Client where we see a
VI domain named “wld01” has been created with a single cluster named “Clus01”
We see there are four ESXi hosts in
wld01-clus01. We will now use the SDDC Manager to add a second
cluster named “wld01-clus02” to this workload domain.
We begin by verifying there are available hosts in
the Cloud Foundation inventory.
There are four hosts in the inventory, esxi-9,
esxi-10, esxi-11, and esxi-12. We’ll use all four hosts for the new
cluster.
In the domain details we see a summary of the
current CPU, memory and storage settings.
At the hosts tab we see the four hosts currently
assigned to wld01
At the clusters tab we see the existing
“wld01-clus01” cluster. To add a second cluster:
Our environment runs on modern hyperconverged
infrastructure built on top of vSAN ReadyNodes. So we choose vSAN
for the storage selection.
We provide a name for the new cluster, in this
example “wld01-clus02”.
Specify the VLAN ID for the new cluster
At the Object Names screen we are able to review
the vSphere object names. These names are derived from the cluster
name.
At the vSAN Storage screen we choose the values for
the default vSAN storage policy for the new cluster. Here we accept
the default of Failures to Tolerate (FTT) = 1.
We then select the hosts that will be added to the
new domain. Based on our vSAN storage policy (FTT=1), three hosts
are required. However, it’s recommended you always have at least
four hosts in a cluster to support server maintenance and protect against
unplanned server failures.
At the license screen we select the license keys
for the new cluster.
At the review screen we are able to review the
configuration for the new cluster.
The SDDC Manager proceeds to create the cluster by automating more than 40
separate tasks that are needed to: create the new cluster in the vCenter
inventory, add the four hosts to a vSAN cluster, claim the local storage
resources from each host, configure the vSAN Datastore, and prepare the hosts
for NSX.
Here we see the workflow "Adding Cluster
wld01-clus02" is running. It will take approximately 15 minutes for
SDDC Manager to create the cluster.
We see the workflow has completed successfully
We see the workflow has completed successfully.
Back at the SDDC Manager dashboard we now see there
are two clusters in the domain wld01.
Here we see the three hosts in the new cluster.
We now see “wld01-clus02” in the vCenter inventory.
We see all three hosts are contributing storage to
the vSAN Cluster. Next we’ll verify that all three hosts in the new
cluster are configured inside NSX-T.
Using the shortcut link inside the SDDC Manager we
are able to quickly connect to the NSX-T Manager. From the NSX-T
Manager dashboard:
These three hosts are members of the first cluster,
“wld01-clus01”. Note that the configuration status shows “Success”
and the node status shows “Up”.
Here we see the three hosts in “wld01-clus02” are
also configured in NSX-T with a configuration status of “Success” and node
status of “Up”.
This concludes our demonstration on adding a
cluster to an existing VI domain.
By default, workload domains are created with a
single vSphere Cluster. Cloud Admins can optionally add additional
clusters to a domain in order to support workload
requirements.
For more information on VMware Cloud Foundation,
visit our website at vmware.com/go/cloudfoundation.