adding data-protection deploy guide 2.0 (#189)

* adding data-protection deploy guide 2.0

Signed-off-by: Manish Jha <er.manish.jha@gmail.com>

* adding data protection deploy guide incorporating ix team review

Signed-off-by: Manish Jha <er.manish.jha@gmail.com>

src/deployment-guides/tkg-data-protection.md

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+# Data Protection
+
+Through Tanzu Mission Control, you can run backup and restore operations to protect your Kubernetes data.
+
+Before you enable Data Protection on a Workload cluster, please ensure you have met the following prerequisites
+
+- You have an active Tanzu Mission Control subscription.
+
+- The workload cluster which you want to protect is registered or attached in the Tanzu Mission Control portal.
+
+- You have created a credential for Data Protection as per instructions provided in the Tanzu Mission Control [documentation](https://docs.vmware.com/en/VMware-Tanzu-Mission-Control/services/tanzumc-using/GUID-4F349EE4-9C64-4243-84FF-D287F497A3D0.html)
+
+- You have created a Target Location for Data Protection as per instructions provided in the Tanzu Mission Control [documentation](https://docs.vmware.com/en/VMware-Tanzu-Mission-Control/services/tanzumc-using/GUID-867683CE-8AF0-4DC7-9121-81AD507EDB3B.html)
+
+For more information about protecting the data resources in your Kubernetes clusters, see Data Protection in [VMware Tanzu Mission Control Concepts](https://docs.vmware.com/en/VMware-Tanzu-Mission-Control/services/tanzumc-concepts/GUID-C16557BC-EB1B-4414-8E63-28AD92E0CAE5.html)
+
+**Enable Data Protection on Workload cluster**
+
+To enable Data Protection on a Workload cluster, locate the cluster in the Tanzu Mission Control portal and click on the Overview tab. Under Data protection, click on the Enable Data Protection option.
+
+![](img/tko-data-protection/tko-dp01.png)
+
+Click on the Enable button in the confirmation dialog page.
+
+![](img/tko-data-protection/tko-dp02.png)
+
+It takes roughly 5-10 minutes to enable data protection on a Kubernetes cluster. Tanzu Mission Control creates a namespace named Velero and installs Velero related Kubernetes objects in the workload cluster.
+
+<!-- /* cSpell:disable */ -->
+```
+root@arcas [ ~ ]# kubectl get all -n velero
+NAME                          READY   STATUS    RESTARTS   AGE
+pod/restic-nfbpl              1/1     Running   0          44s
+pod/restic-q57nk              1/1     Running   0          44s
+pod/restic-sj954              1/1     Running   0          44s
+pod/velero-57cdf5f99f-7fn4b   1/1     Running   0          71s
+
+NAME                    DESIRED   CURRENT   READY   UP-TO-DATE   AVAILABLE   NODE SELECTOR   AGE
+daemonset.apps/restic   3         3         3       3            3           <none>          45s
+
+NAME                     READY   UP-TO-DATE   AVAILABLE   AGE
+deployment.apps/velero   1/1     1            1           71s
+
+NAME                                DESIRED   CURRENT   READY   AGE
+replicaset.apps/velero-57cdf5f99f   1         1         1       72s
+```
+<!-- /* cSpell:enable */ -->
+
+**Configure Backup**
+
+After enabling data protection, click on the Create Backup option to configure backup for the workload cluster.
+
+![](img/tko-data-protection/tko-dp03.png)
+
+TMC Data Protection allows you to create backups of the following types:
+
+- All resources in a cluster.
+- Selected namespaces in a cluster.
+- Specific resources in a cluster identified by a given label.
+
+![](img/tko-data-protection/tko-dp04.png)
+
+Select the target location where the backup will be stored.
+
+![](img/tko-data-protection/tko-dp05.png)
+
+Configure the backup schedule and hit Next.
+
+![](img/tko-data-protection/tko-dp06.png)
+
+Specify the backup retention period and hit Next.
+
+![](img/tko-data-protection/tko-dp07.png)
+
+Specify a name for the backup schedule and click on Create button.
+
+![](img/tko-data-protection/tko-dp08.png)
+
+Backup configuration might take some time depending on the Kubernetes objects that you have provisioned in the workload cluster. When the backup is configured for the first time, Tanzu Mission Control takes a backup immediately. After that backups are taken as per the backup schedule configured.
+
+![](img/tko-data-protection/tko-dp09.png)
+
+**Restore Backup**
+
+To restore the Kubernetes data from the backup, select the backup image and click on the Restore button.
+
+![](img/tko-data-protection/tko-dp10.png)
+
+Select the resources that you want to restore.  
+
+![](img/tko-data-protection/tko-dp11.png)
+
+Specify a name for the restore task and click on the Restore button.
+
+![](img/tko-data-protection/tko-dp12.png)
+
+If you have backed up persistent volumes, the restore process may take some time. The backup is restored in the same cluster that it was retrieved from.