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290 lines
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.. _manila-guide:
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===============
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Manila in Kolla
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===============
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Overview
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========
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Currently, Kolla can deploy following manila services:
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* manila-api
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* manila-scheduler
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* manila-share
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The OpenStack Shared File Systems service (Manila) provides file storage to a
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virtual machine. The Shared File Systems service provides an infrastructure
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for managing and provisioning of file shares. The service also enables
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management of share types as well as share snapshots if a driver supports
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them.
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Important
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=========
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For simplicity, this guide describes configuring the Shared File Systems
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service to use the ``generic`` back end with the driver handles share
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server mode (DHSS) enabled that uses Compute (nova), Networking (neutron)
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and Block storage (cinder) services.
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Networking service configuration requires the capability of networks being
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attached to a public router in order to create shared networks.
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Before you proceed, ensure that Compute, Networking and Block storage
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services are properly working.
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Preparation and Deployment
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==========================
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Cinder and Ceph are required, enable it in /etc/kolla/globals.yml:
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.. code-block:: console
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enable_cinder: "yes"
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enable_ceph: "yes"
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Enable Manila in /etc/kolla/globals.yml:
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.. code-block:: console
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enable_manila: "yes"
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By default Manila uses instance flavor id 100 for its file systems. For
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Manila to work, either create a new nova flavor with id 100 (using "nova
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flavor-create") or change service_instance_flavor_id to use one of the
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default nova flavor ids.
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Ex: service_instance_flavor_id = 2 to use nova default flavor m1.small.
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Create or modify the file /etc/kolla/config/manila.conf and add the contents:
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.. code-block:: console
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[generic]
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service_instance_flavor_id = 2
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Verify Operation
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================
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Verify operation of the Shared File Systems service. List service components
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to verify successful launch of each process:
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.. code-block:: console
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# manila service-list
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+------------------+----------------+------+---------+-------+----------------------------+-----------------+
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| Binary | Host | Zone | Status | State | Updated_at | Disabled Reason |
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+------------------+----------------+------+---------+-------+----------------------------+-----------------+
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| manila-scheduler | controller | nova | enabled | up | 2014-10-18T01:30:54.000000 | None |
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| manila-share | share1@generic | nova | enabled | up | 2014-10-18T01:30:57.000000 | None |
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+------------------+----------------+------+---------+-------+----------------------------+-----------------+
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Launch an Instance
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==================
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Before being able to create a share, the manila with the generic driver and
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the DHSS mode enabled requires the definition of at least an image,
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a network and a share-network for being used to create a share server.
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For that back end configuration, the share server is an instance where
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NFS/CIFS shares are served.
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Determine the configuration of the share server
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===============================================
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Create a default share type before running manila-share service:
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.. code-block:: console
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# manila type-create default_share_type True
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+--------------------------------------+--------------------+------------+------------+-------------------------------------+-------------------------+
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| ID | Name | Visibility | is_default | required_extra_specs | optional_extra_specs |
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+--------------------------------------+--------------------+------------+------------+-------------------------------------+-------------------------+
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| 8a35da28-0f74-490d-afff-23664ecd4f01 | default_share_type | public | - | driver_handles_share_servers : True | snapshot_support : True |
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+--------------------------------------+--------------------+------------+------------+-------------------------------------+-------------------------+
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Create a manila share server image to the Image service:
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.. code-block:: console
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# wget http://tarballs.openstack.org/manila-image-elements/images/manila-service-image-master.qcow2
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# glance image-create --name "manila-service-image" \
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--file manila-service-image-master.qcow2 \
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--disk-format qcow2 --container-format bare \
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--visibility public --progress
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[=============================>] 100%
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+------------------+--------------------------------------+
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| Property | Value |
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+------------------+--------------------------------------+
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| checksum | 48a08e746cf0986e2bc32040a9183445 |
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| container_format | bare |
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| created_at | 2016-01-26T19:52:24Z |
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| disk_format | qcow2 |
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| id | 1fc7f29e-8fe6-44ef-9c3c-15217e83997c |
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| min_disk | 0 |
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| min_ram | 0 |
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| name | manila-service-image |
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| owner | e2c965830ecc4162a002bf16ddc91ab7 |
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| protected | False |
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| size | 306577408 |
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| status | active |
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| tags | [] |
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| updated_at | 2016-01-26T19:52:28Z |
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| virtual_size | None |
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| visibility | public |
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+------------------+--------------------------------------+
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List available networks to get id and subnets of the private network:
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.. code-block:: console
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+--------------------------------------+---------+----------------------------------------------------+
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| id | name | subnets |
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+--------------------------------------+---------+----------------------------------------------------+
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| 0e62efcd-8cee-46c7-b163-d8df05c3c5ad | public | 5cc70da8-4ee7-4565-be53-b9c011fca011 10.3.31.0/24 |
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| 7c6f9b37-76b4-463e-98d8-27e5686ed083 | private | 3482f524-8bff-4871-80d4-5774c2730728 172.16.1.0/24 |
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+--------------------------------------+---------+----------------------------------------------------+
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Create a shared network
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.. code-block:: console
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# manila share-network-create --name demo-share-network1 \
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--neutron-net-id PRIVATE_NETWORK_ID \
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--neutron-subnet-id PRIVATE_NETWORK_SUBNET_ID
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+-------------------+--------------------------------------+
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| Property | Value |
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+-------------------+--------------------------------------+
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| name | demo-share-network1 |
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| segmentation_id | None |
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| created_at | 2016-01-26T20:03:41.877838 |
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| neutron_subnet_id | 3482f524-8bff-4871-80d4-5774c2730728 |
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| updated_at | None |
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| network_type | None |
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| neutron_net_id | 7c6f9b37-76b4-463e-98d8-27e5686ed083 |
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| ip_version | None |
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| nova_net_id | None |
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| cidr | None |
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| project_id | e2c965830ecc4162a002bf16ddc91ab7 |
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| id | 58b2f0e6-5509-4830-af9c-97f525a31b14 |
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| description | None |
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+-------------------+--------------------------------------+
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Create a flavor (Required if you not defined manila_instance_flavor_id in
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/etc/kolla/config/manila.conf file)
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.. code-block:: console
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# nova flavor-create manila-service-flavor 100 128 0 1
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Create a share
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==============
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Create a NFS share using the share network:
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.. code-block:: console
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# manila create NFS 1 --name demo-share1 --share-network demo-share-network1
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+-----------------------------+--------------------------------------+
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| Property | Value |
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+-----------------------------+--------------------------------------+
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| status | None |
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| share_type_name | None |
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| description | None |
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| availability_zone | None |
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| share_network_id | None |
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| export_locations | [] |
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| host | None |
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| snapshot_id | None |
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| is_public | False |
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| task_state | None |
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| snapshot_support | True |
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| id | 016ca18f-bdd5-48e1-88c0-782e4c1aa28c |
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| size | 1 |
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| name | demo-share1 |
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| share_type | None |
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| created_at | 2016-01-26T20:08:50.502877 |
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| export_location | None |
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| share_proto | NFS |
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| consistency_group_id | None |
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| source_cgsnapshot_member_id | None |
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| project_id | 48e8c35b2ac6495d86d4be61658975e7 |
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| metadata | {} |
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+-----------------------------+--------------------------------------+
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After some time, the share status should change from ``creating``
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to ``available``:
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.. code-block:: console
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# manila list
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+--------------------------------------+-------------+------+-------------+-----------+-----------+--------------------------------------+-----------------------------+-------------------+
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| ID | Name | Size | Share Proto | Status | Is Public | Share Type Name | Host | Availability Zone |
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+--------------------------------------+-------------+------+-------------+-----------+-----------+--------------------------------------+-----------------------------+-------------------+
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| e1e06b14-ba17-48d4-9e0b-ca4d59823166 | demo-share1 | 1 | NFS | available | False | default_share_type | share1@generic#GENERIC | nova |
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+--------------------------------------+-------------+------+-------------+-----------+-----------+--------------------------------------+-----------------------------+-------------------+
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Configure user access to the new share before attempting to mount it via the
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network:
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.. code-block:: console
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# manila access-allow demo-share1 ip INSTANCE_PRIVATE_NETWORK_IP
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Mount the share from an instance
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================================
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Get export location from share
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.. code-block:: console
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# manila show demo-share1
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+-----------------------------+----------------------------------------------------------------------+
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| Property | Value |
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+-----------------------------+----------------------------------------------------------------------+
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| status | available |
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| share_type_name | default_share_type |
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| description | None |
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| availability_zone | nova |
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| share_network_id | fa07a8c3-598d-47b5-8ae2-120248ec837f |
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| export_locations | |
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| | path = 10.254.0.3:/shares/share-422dc546-8f37-472b-ac3c-d23fe410d1b6 |
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| | preferred = False |
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| | is_admin_only = False |
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| | id = 5894734d-8d9a-49e4-b53e-7154c9ce0882 |
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| | share_instance_id = 422dc546-8f37-472b-ac3c-d23fe410d1b6 |
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| share_server_id | 4782feef-61c8-4ffb-8d95-69fbcc380a52 |
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| host | share1@generic#GENERIC |
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| access_rules_status | active |
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| snapshot_id | None |
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| is_public | False |
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| task_state | None |
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| snapshot_support | True |
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| id | e1e06b14-ba17-48d4-9e0b-ca4d59823166 |
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| size | 1 |
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| name | demo-share1 |
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| share_type | 6e1e803f-1c37-4660-a65a-c1f2b54b6e17 |
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| has_replicas | False |
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| replication_type | None |
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| created_at | 2016-03-15T18:59:12.000000 |
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| share_proto | NFS |
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| consistency_group_id | None |
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| source_cgsnapshot_member_id | None |
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| project_id | 9dc02df0f2494286ba0252b3c81c01d0 |
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| metadata | {} |
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+-----------------------------+----------------------------------------------------------------------+
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Create a folder where the mount will be placed:
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.. code-block:: console
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# mkdir ~/test_folder
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Mount the NFS share in the instance using the export location of the share:
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.. code-block:: console
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# mount -v 10.254.0.3:/shares/share-422dc546-8f37-472b-ac3c-d23fe410d1b6 ~/test_folder
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For more information about how to manage shares, see the
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`OpenStack User Guide
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<http://docs.openstack.org/user-guide/index.html>`__.
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