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Goutham Pacha Ravi bc4712e35e Manila install guide: Fix wrong instructions

Previously only the DHSS=True mode was documented
in post install steps. The assumption that the generic driver
was being configured existed in other places as well.

* add DHSS=False documentation as necessary with the
   LVM driver.
* correct assumptions in other places to clarify usage
   of appropriate share driver modes.

Change-Id: Ic1356453e510e8f360269fb45a41379329ce68c2
Closes-Bug: #1616257

2016-09-16 17:35:43 +00:00

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Configure components

Edit the /etc/manila/manila.conf file and complete the following actions:

In the [DEFAULT] section, enable the generic driver and the NFS protocol:
```
[DEFAULT]
...
enabled_share_backends = generic
enabled_share_protocols = NFS
```
Note

Back end names are arbitrary. As an example, this guide uses the name of the driver.

In the [neutron], [nova], and [cinder] sections, enable authentication for those services:

[neutron]
...
url = http://controller:9696
auth_uri = http://controller:5000
auth_url = http://controller:35357
memcached_servers = controller:11211
auth_type = password
project_domain_name = default
user_domain_name = default
region_name = RegionOne
project_name = service
username = neutron
password = NEUTRON_PASS

[nova]
...
auth_uri = http://controller:5000
auth_url = http://controller:35357
memcached_servers = controller:11211
auth_type = password
project_domain_name = default
user_domain_name = default
region_name = RegionOne
project_name = service
username = nova
password = NOVA_PASS

[cinder]
...
auth_uri = http://controller:5000
auth_url = http://controller:35357
memcached_servers = controller:11211
auth_type = password
project_domain_name = default
user_domain_name = default
region_name = RegionOne
project_name = service
username = cinder
password = CINDER_PASS

In the [generic] section, configure the generic driver:
```
[generic]
share_backend_name = GENERIC
share_driver = manila.share.drivers.generic.GenericShareDriver
driver_handles_share_servers = True
service_instance_flavor_id = 100
service_image_name = manila-service-image
service_instance_user = manila
service_instance_password = manila
interface_driver = manila.network.linux.interface.BridgeInterfaceDriver
```
Note

You can also use SSH keys instead of password authentication for service instance credentials.

Important

The service_image_name, service_instance_flavor_id, service_instance_user and service_instance_password are with reference to the service image that is used by the driver to create share servers. A sample service image for use with the generic driver is available in the manila-image-elements project. Its creation is explained in the post installation steps (See: post-install).

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Configure components

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