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|
Creating shares with Shared File Systems Option 2 (DHSS = True)
---------------------------------------------------------------
Before being able to create a share, manila with the generic driver and
the DHSS (``driver_handles_share_servers``) mode enabled requires the
definition of at least an image, a network and a share-network for being
used to create a share server. For that `back end` configuration, the share
server is an instance where NFS shares are served.
.. note::
This configuration automatically creates a cinder volume for every share.
The cinder volumes are attached to share servers according to the
definition of a share network.
#. Source the admin credentials to gain access to admin-only CLI commands:
.. code-block:: console
$ . admin-openrc.sh
#. Create a default share type with DHSS enabled. A default share type will
allow you to create shares with this driver, without having to specify
the share type explicitly during share creation.
.. code-block:: console
$ manila type-create default_share_type True
+----------------------+--------------------------------------+
| Property | Value |
+----------------------+--------------------------------------+
| required_extra_specs | driver_handles_share_servers : True |
| Name | default_share_type |
| Visibility | public |
| is_default | - |
| ID | 8a35da28-0f74-490d-afff-23664ecd4f01 |
| optional_extra_specs | snapshot_support : True |
+----------------------+--------------------------------------+
Set this default share type in ``manila.conf`` under the ``[DEFAULT]``
section and restart the ``manila-api`` service before proceeding.
Unless you do so, the default share type will not be effective.
.. note::
Creating and configuring a default share type is optional. If you wish
to use the shared file system service with a variety of share types,
where each share creation request could specify a type, please refer to
the Share types usage documentation `here
<https://docs.openstack.org/manila/latest/admin/shared-file-systems-share-types.html>`_.
#. Create a manila share server image in the Image service. You may skip this
step and use any existing image. However, for mounting a share, the service
image must contain the NFS packages as appropriate for the operating system.
Whatever image you choose to be the service image, be sure to set the
configuration values ``service_image_name``, ``service_instance_flavor_id``,
``service_instance_user`` and ``service_instance_password`` in
``manila.conf``.
.. note::
Any changes made to ``manila.conf`` while the ``manila-share`` service
is running will require a restart of the service to be effective.
.. note::
As an alternative to specifying a plain-text
``service_instance_password`` in your configuration, a key-pair may be
specified with options ``path_to_public_key`` and
``path_to_private_key`` to configure and allow password-less SSH access
between the `share node` and the share server/s created.
.. code-block:: console
$ curl -L \
https://tarballs.opendev.org/openstack/manila-image-elements/images/manila-service-image-master.qcow2 | \
glance image-create \
--name "manila-service-image" \
--disk-format qcow2 \
--container-format bare \
--visibility public --progress
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 3008k 100 3008k 0 0 1042k 0 0:00:02 0:00:02 --:--:-- 1041k
+------------------+----------------------------------------------------------------------------------+
| Property | Value |
+------------------+----------------------------------------------------------------------------------+
| checksum | 48a08e746cf0986e2bc32040a9183445 |
| container_format | bare |
| created_at | 2016-01-26T19:52:24Z |
| direct_url | rbd://3c3a4cbc-7331-4fc1-8cbb-79213b9cebff/images/ff97deff-b184-47f8-827c- |
| | 16c349c82720/snap |
| disk_format | qcow2 |
| id | 1fc7f29e-8fe6-44ef-9c3c-15217e83997c |
| locations | [{"url": "rbd://3c3a4cbc-7331-4fc1-8cbb-79213b9cebff/images/ff97deff-b184-47f8 |
| | -827c-16c349c82720/snap", "metadata": {}}] |
| min_disk | 0 |
| min_ram | 0 |
| name | manila-service-image |
| owner | e2c965830ecc4162a002bf16ddc91ab7 |
| protected | False |
| size | 306577408 |
| status | active |
| tags | [] |
| updated_at | 2016-01-26T19:52:28Z |
| virtual_size | None |
| visibility | public |
+------------------+----------------------------------------------------------------------------------+
#. List available networks in order to get id and subnets of the private
network:
.. code-block:: console
$ neutron net-list
+--------------------------------------+---------+----------------------------------------------------+
| id | name | subnets |
+--------------------------------------+---------+----------------------------------------------------+
| 0e62efcd-8cee-46c7-b163-d8df05c3c5ad | public | 5cc70da8-4ee7-4565-be53-b9c011fca011 10.3.31.0/24 |
| 7c6f9b37-76b4-463e-98d8-27e5686ed083 | private | 3482f524-8bff-4871-80d4-5774c2730728 172.16.1.0/24 |
+--------------------------------------+---------+----------------------------------------------------+
#. Source the ``demo`` credentials to perform
the following steps as a non-administrative project:
.. code-block:: console
$ . demo-openrc.sh
.. code-block:: console
$ manila share-network-create --name demo-share-network1 \
--neutron-net-id PRIVATE_NETWORK_ID \
--neutron-subnet-id PRIVATE_NETWORK_SUBNET_ID
+-------------------+--------------------------------------+
| Property | Value |
+-------------------+--------------------------------------+
| name | demo-share-network1 |
| segmentation_id | None |
| created_at | 2016-01-26T20:03:41.877838 |
| neutron_subnet_id | 3482f524-8bff-4871-80d4-5774c2730728 |
| updated_at | None |
| network_type | None |
| neutron_net_id | 7c6f9b37-76b4-463e-98d8-27e5686ed083 |
| ip_version | None |
| cidr | None |
| project_id | e2c965830ecc4162a002bf16ddc91ab7 |
| id | 58b2f0e6-5509-4830-af9c-97f525a31b14 |
| description | None |
+-------------------+--------------------------------------+
Create a share
--------------
#. Create an NFS share using the share network. Since a default share type has
been created and configured, it need not be specified in the request.
.. code-block:: console
$ manila create NFS 1 --name demo-share1 --share-network demo-share-network1
+-----------------------------+--------------------------------------+
| Property | Value |
+-----------------------------+--------------------------------------+
| status | None |
| share_type_name | default_share_type |
| description | None |
| availability_zone | None |
| share_network_id | 58b2f0e6-5509-4830-af9c-97f525a31b14 |
| share_group_id | None |
| host | None |
| snapshot_id | None |
| is_public | False |
| task_state | None |
| snapshot_support | True |
| id | 016ca18f-bdd5-48e1-88c0-782e4c1aa28c |
| size | 1 |
| name | demo-share1 |
| share_type | 8a35da28-0f74-490d-afff-23664ecd4f01 |
| created_at | 2016-01-26T20:08:50.502877 |
| export_location | None |
| share_proto | NFS |
| project_id | 48e8c35b2ac6495d86d4be61658975e7 |
| metadata | {} |
+-----------------------------+--------------------------------------+
#. After some time, the share status should change from ``creating``
to ``available``:
.. code-block:: console
$ manila list
+--------------------------------------+-------------+------+-------------+-----------+-----------+------------------------+-----------------------------+-------------------+
| ID | Name | Size | Share Proto | Status | Is Public | Share Type Name | Host | Availability Zone |
+--------------------------------------+-------------+------+-------------+-----------+-----------+------------------------+-----------------------------+-------------------+
| 5f8a0574-a95e-40ff-b898-09fd8d6a1fac | demo-share1 | 1 | NFS | available | False | default_share_type | storagenode@generic#GENERIC | nova |
+--------------------------------------+-------------+------+-------------+-----------+-----------+------------------------+-----------------------------+-------------------+
#. Determine export IP address of the share:
.. code-block:: console
$ manila show demo-share1
+-----------------------------+------------------------------------------------------------------------------------+
| Property | Value |
+-----------------------------+------------------------------------------------------------------------------------+
| status | available |
| share_type_name | default_share_type |
| description | None |
| availability_zone | nova |
| share_network_id | 58b2f0e6-5509-4830-af9c-97f525a31b14 |
| share_group_id | None |
| export_locations | |
| | path = 10.254.0.6:/shares/share-0bfd69a1-27f0-4ef5-af17-7cd50bce6550 |
| | id = e525cbca-b3cc-4adf-a1cb-b1bf48fa2422 |
| | preferred = False |
| host | storagenode@generic#GENERIC |
| access_rules_status | active |
| snapshot_id | None |
| is_public | False |
| task_state | None |
| snapshot_support | True |
| id | 5f8a0574-a95e-40ff-b898-09fd8d6a1fac |
| size | 1 |
| name | demo-share1 |
| share_type | 8a35da28-0f74-490d-afff-23664ecd4f01 |
| has_replicas | False |
| replication_type | None |
| created_at | 2016-03-30T19:10:33.000000 |
| share_proto | NFS |
| project_id | 48e8c35b2ac6495d86d4be61658975e7 |
| metadata | {} |
+-----------------------------+------------------------------------------------------------------------------------+
Allow access to the share
-------------------------
#. Configure access to the new share before attempting to mount it via
the network. The compute instance (whose IP address is referenced by the
INSTANCE_IP below) must have network connectivity to the network specified
in the share network.
.. code-block:: console
$ manila access-allow demo-share1 ip INSTANCE_IP
+--------------+--------------------------------------+
| Property | Value |
+--------------+--------------------------------------+
| share_id | 5f8a0574-a95e-40ff-b898-09fd8d6a1fac |
| access_type | ip |
| access_to | 10.0.0.46 |
| access_level | rw |
| state | new |
| id | aefeab01-7197-44bf-ad0f-d6ca6f99fc96 |
+--------------+--------------------------------------+
Mount the share on a compute instance
-------------------------------------
#. Log into your compute instance and create a folder where the mount will
be placed:
.. code-block:: console
$ mkdir ~/test_folder
#. Mount the NFS share in the compute instance using the export location of
the share:
.. code-block:: console
$ mount -vt nfs 10.254.0.6:/shares/share-0bfd69a1-27f0-4ef5-af17-7cd50bce6550 ~/test_folder
|
