Adds information for unique tenant namespaces.

Closes #1391

Adds information about changes to erasure code to MNMD deploys.

Closes #1365

source/operations/install-deploy-manage/deploy-minio-multi-node-multi-drive.rst

@@ -141,7 +141,9 @@ Consider using the MinIO `Erasure Code Calculator <https://min.io/product/erasur
 
 .. important::
 
-   While you can change erasure parity settings at any time, objects written with a given parity do **not** automatically update to the new parity settings.
+   While you can change erasure parity settings at any time, objects written with a given parity do **not** update to the new parity settings.
+   MinIO only applies the changed parity to newly written objects.
+   Existing objects retain the parity value in place at the time of their creation.
 
 Capacity-Based Planning
 ~~~~~~~~~~~~~~~~~~~~~~~

source/operations/install-deploy-manage/deploy-minio-tenant.rst

@@ -200,6 +200,12 @@ Persistent Volumes
    MinIO strongly recommends SSD-backed disk types for best performance.
    For more information on AKS disk types, see :azure-docs:`Azure disk types <virtual-machines/disk-types>`.
 
+Namespace
+~~~~~~~~~
+
+The tenant must use its own namespace with no other tenant.
+MinIO strongly recommends using a dedicated namespace for the tenant with no other applications running in the namespace.
+
 .. _minio-k8s-deploy-minio-tenant-security:
 
 Deploy a MinIO Tenant using Kustomize