Tca 21.12 (#5)

* set groups default value
* error msg cleanup
* array is not multiline
* doc updates
* minor usage update

README.md

@@ -2,18 +2,17 @@ kvm-qemu-ansible
 =================
 
   Ansible playbooks and scripts for installing and managing a multi-node 
-KVM-QEMU environment on either RHEL/CentOS or Ubuntu/Debian Linux systems. 
+KVM-QEMU environment on Linux systems. 
 
-  The Ansible roles do not configure the storage or networking for KVM, 
-but do provide roles for utilizing NFS for a secondary storage pool.
+  The Ansible roles do not configure local storage or networking for KVM, 
+but do provide roles for utilizing NFS as a secondary storage pool. 
+Local-attached storage is as the primary storage pool for VM images.
 A bridge network for VM connectivity is also a requirement.  Both 
 of these topics are discussed in the prerequisites document, followed by 
-the Ansible deployment and KVM Operational guides.
+the Ansible Deployment Guide and the KVM Operational guides.
 
  - [01-prerequisites.md](docs/01-prerequisites.md)
 
  - [02-kvm-ansible.md](docs/02-kvm-ansible.md)
 
  - [03-kvm-operations.md](docs/03-kvm-operations.md)
-
-The docs can be converted to pdf by running `make docs`.