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.. _manila-hnas-guide:
========================================================
Hitachi NAS Platform File Services Driver for OpenStack
========================================================
Overview
~~~~~~~~
The Hitachi NAS Platform File Services Driver for OpenStack
provides NFS Shared File Systems to OpenStack.
Requirements
------------
* Hitachi NAS Platform Models 3080, 3090, 4040, 4060, 4080, and 4100.
* HNAS/SMU software version is 12.2 or higher.
* HNAS configuration and management utilities to create a storage pool (span)
and an EVS.
- GUI (SMU).
- SSC CLI.
Supported shared file systems and operations
--------------------------------------------
The driver supports CIFS and NFS shares.
The following operations are supported:
* Create a share.
* Delete a share.
* Allow share access.
* Deny share access.
* Create a snapshot.
* Delete a snapshot.
* Create a share from a snapshot.
* Extend a share.
* Shrink a share.
* Manage a share.
* Unmanage a share.
Preparation and Deployment
~~~~~~~~~~~~~~~~~~~~~~~~~~
.. note::
The manila-share node only requires the HNAS EVS data interface if you
plan to use share migration.
.. important ::
It is mandatory that HNAS management interface is reachable from the
Shared File System node through the admin network, while the selected
EVS data interface is reachable from OpenStack Cloud, such as through
Neutron flat networking.
Configuration on Kolla deployment
---------------------------------
Enable Shared File Systems service and HNAS driver in
``/etc/kolla/globals.yml``
.. code-block:: yaml
enable_manila: true
enable_manila_backend_hnas: true
Configure the OpenStack networking so it can reach HNAS Management
interface and HNAS EVS Data interface.
To configure two physical networks, physnet1 and physnet2, with
ports eth1 and eth2 associated respectively:
In ``/etc/kolla/globals.yml`` set:
.. code-block:: yaml
neutron_bridge_name: "br-ex,br-ex2"
neutron_external_interface: "eth1,eth2"
.. note::
``eth1`` is used to Neutron external interface and ``eth2`` is
used to HNAS EVS data interface.
HNAS back end configuration
---------------------------
In ``/etc/kolla/globals.yml`` uncomment and set:
.. code-block:: yaml
hnas_ip: "172.24.44.15"
hnas_user: "supervisor"
hnas_password: "supervisor"
hnas_evs_id: "1"
hnas_evs_ip: "10.0.1.20"
hnas_file_system_name: "FS-Manila"
Configuration on HNAS
---------------------
Create the data HNAS network in Kolla OpenStack:
List the available tenants:
.. code-block:: console
$ openstack project list
Create a network to the given tenant (service), providing the tenant ID,
a name for the network, the name of the physical network over which the
virtual network is implemented, and the type of the physical mechanism by
which the virtual network is implemented:
.. code-block:: console
$ neutron net-create --tenant-id <SERVICE_ID> hnas_network \
--provider:physical_network=physnet2 --provider:network_type=flat
*Optional* - List available networks:
.. code-block:: console
$ neutron net-list
Create a subnet to the same tenant (service), the gateway IP of this subnet,
a name for the subnet, the network ID created before, and the CIDR of
subnet:
.. code-block:: console
$ neutron subnet-create --tenant-id <SERVICE_ID> --gateway <GATEWAY> \
--name hnas_subnet <NETWORK_ID> <SUBNET_CIDR>
*Optional* - List available subnets:
.. code-block:: console
$ neutron subnet-list
Add the subnet interface to a router, providing the router ID and subnet
ID created before:
.. code-block:: console
$ neutron router-interface-add <ROUTER_ID> <SUBNET_ID>
Create a file system on HNAS. See the `Hitachi HNAS reference <http://www.hds.com/assets/pdf/hus-file-module-file-services-administration-guide.pdf>`_.
.. important ::
Make sure that the filesystem is not created as a replication target.
Refer official HNAS administration guide.
Prepare the HNAS EVS network.
Create a route in HNAS to the tenant network:
.. code-block:: console
$ console-context --evs <EVS_ID_IN_USE> route-net-add --gateway <FLAT_NETWORK_GATEWAY> \
<TENANT_PRIVATE_NETWORK>
.. important ::
Make sure multi-tenancy is enabled and routes are configured per EVS.
.. code-block:: console
$ console-context --evs 3 route-net-add --gateway 192.168.1.1 \
10.0.0.0/24
Create a share
~~~~~~~~~~~~~~
Create a default share type before running manila-share service:
.. code-block:: console
$ manila type-create default_share_hitachi False
+--------------------------------------+-----------------------+------------+------------+--------------------------------------+-------------------------+
| ID | Name | visibility | is_default | required_extra_specs | optional_extra_specs |
+--------------------------------------+-----------------------+------------+------------+--------------------------------------+-------------------------+
| 3e54c8a2-1e50-455e-89a0-96bb52876c35 | default_share_hitachi | public | - | driver_handles_share_servers : False | snapshot_support : True |
+--------------------------------------+-----------------------+------------+------------+--------------------------------------+-------------------------+
Create a NFS share using the HNAS back end:
.. code-block:: console
$ manila create NFS 1 \
--name mysharehnas \
--description "My Manila share" \
--share-type default_share_hitachi
Verify Operation:
.. code-block:: console
$ manila list
+--------------------------------------+----------------+------+-------------+-----------+-----------+-----------------------+-------------------------+-------------------+
| ID | Name | Size | Share Proto | Status | Is Public | Share Type Name | Host | Availability Zone |
+--------------------------------------+----------------+------+-------------+-----------+-----------+-----------------------+-------------------------+-------------------+
| 721c0a6d-eea6-41af-8c10-72cd98985203 | mysharehnas | 1 | NFS | available | False | default_share_hitachi | control@hnas1#HNAS1 | nova |
+--------------------------------------+----------------+------+-------------+-----------+-----------+-----------------------+-------------------------+-------------------+
.. code-block:: console
$ manila show mysharehnas
+-----------------------------+-----------------------------------------------------------------+
| Property | Value |
+-----------------------------+-----------------------------------------------------------------+
| status | available |
| share_type_name | default_share_hitachi |
| description | My Manila share |
| availability_zone | nova |
| share_network_id | None |
| export_locations | |
| | path = 172.24.53.1:/shares/45ed6670-688b-4cf0-bfe7-34956648fb84 |
| | preferred = False |
| | is_admin_only = False |
| | id = e81e716f-f1bd-47b2-8a56-2c2f9e33a98e |
| | share_instance_id = 45ed6670-688b-4cf0-bfe7-34956648fb84 |
| share_server_id | None |
| host | control@hnas1#HNAS1 |
| access_rules_status | active |
| snapshot_id | None |
| is_public | False |
| task_state | None |
| snapshot_support | True |
| id | 721c0a6d-eea6-41af-8c10-72cd98985203 |
| size | 1 |
| user_id | ba7f6d543713488786b4b8cb093e7873 |
| name | mysharehnas |
| share_type | 3e54c8a2-1e50-455e-89a0-96bb52876c35 |
| has_replicas | False |
| replication_type | None |
| created_at | 2016-10-14T14:50:47.000000 |
| share_proto | NFS |
| consistency_group_id | None |
| source_cgsnapshot_member_id | None |
| project_id | c3810d8bcc3346d0bdc8100b09abbbf1 |
| metadata | {} |
+-----------------------------+-----------------------------------------------------------------+
.. _hnas_configure_multiple_back_ends:
Configure multiple back ends
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
An administrator can configure an instance of Manila to provision shares from
one or more back ends. Each back end leverages an instance of a vendor-specific
implementation of the Manila driver API.
The name of the back end is declared as a configuration option
share_backend_name within a particular configuration stanza that contains the
related configuration options for that back end.
So, in the case of an multiple back ends deployment, it is necessary to change
the default share backends before deployment.
Modify the file ``/etc/kolla/config/manila.conf`` and add the contents:
.. path /etc/kolla/config/manila.conf
.. code-block:: ini
[DEFAULT]
enabled_share_backends = generic,hnas1,hnas2
Modify the file ``/etc/kolla/config/manila-share.conf`` and add the contents:
.. path /etc/kolla/config/manila-share.conf
.. code-block:: ini
[generic]
share_driver = manila.share.drivers.generic.GenericShareDriver
interface_driver = manila.network.linux.interface.OVSInterfaceDriver
driver_handles_share_servers = True
service_instance_password = manila
service_instance_user = manila
service_image_name = manila-service-image
share_backend_name = GENERIC
[hnas1]
share_backend_name = HNAS1
share_driver = manila.share.drivers.hitachi.hnas.driver.HitachiHNASDriver
driver_handles_share_servers = False
hitachi_hnas_ip = <hnas_ip>
hitachi_hnas_user = <user>
hitachi_hnas_password = <password>
hitachi_hnas_evs_id = <evs_id>
hitachi_hnas_evs_ip = <evs_ip>
hitachi_hnas_file_system_name = FS-Manila1
[hnas2]
share_backend_name = HNAS2
share_driver = manila.share.drivers.hitachi.hnas.driver.HitachiHNASDriver
driver_handles_share_servers = False
hitachi_hnas_ip = <hnas_ip>
hitachi_hnas_user = <user>
hitachi_hnas_password = <password>
hitachi_hnas_evs_id = <evs_id>
hitachi_hnas_evs_ip = <evs_ip>
hitachi_hnas_file_system_name = FS-Manila2
For more information about how to manage shares, see the
:manila-doc:`Manage shares <user/create-and-manage-shares.html>`.
For more information about how HNAS driver works, see
:manila-doc:`Hitachi NAS Platform File Services Driver for OpenStack
<admin/hitachi_hnas_driver.html>`.
|
