196 lines
7.1 KiB
ReStructuredText
196 lines
7.1 KiB
ReStructuredText
.. _cinder-guide-hnas:
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========================================================
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Hitachi NAS Platform iSCSI and NFS drives for OpenStack
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========================================================
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Overview
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========
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The Block Storage service provides persistent block storage resources that
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Compute instances can consume. This includes secondary attached storage similar
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to the Amazon Elastic Block Storage (EBS) offering. In addition, you can write
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images to a Block Storage device for Compute to use as a bootable persistent
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instance.
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Requirements
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------------
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- Hitachi NAS Platform Models 3080, 3090, 4040, 4060, 4080, and 4100.
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- HNAS/SMU software version is 12.2 or higher.
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- HNAS configuration and management utilities to create a storage pool (span)
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and an EVS.
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- GUI (SMU).
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- SSC CLI.
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- You must set an iSCSI domain to EVS
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Supported shared file systems and operations
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-------------------------------------------
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The NFS and iSCSI drivers support these operations:
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- Create, delete, attach, and detach volumes.
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- Create, list, and delete volume snapshots.
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- Create a volume from a snapshot.
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- Copy an image to a volume.
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- Copy a volume to an image.
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- Clone a volume.
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- Extend a volume.
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- Get volume statistics.
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- Manage and unmanage a volume.
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- Manage and unmanage snapshots (HNAS NFS only).
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Configuration on Kolla deployment
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---------------------------------
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Enable Shared File Systems service and HNAS driver in
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``/etc/kolla/globals.yml``
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.. code-block:: console
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enable_cinder: "yes"
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enable_cinder_backend_hnas_iscsi: "yes"
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Configuration on HNAS
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---------------------
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Create the data HNAS network in Kolla OpenStack:
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List the available tenants:
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.. code-block:: console
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$ openstack project list
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Create a network to the given tenant (service), providing the tenant ID,
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a name for the network, the name of the physical network over which the
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virtual network is implemented, and the type of the physical mechanism by
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which the virtual network is implemented:
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.. code-block:: console
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$ neutron net-create --tenant-id <SERVICE_ID> hnas_network \
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--provider:physical_network=physnet2 --provider:network_type=flat
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Create a subnet to the same tenant (service), the gateway IP of this subnet,
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a name for the subnet, the network ID created before, and the CIDR of
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subnet:
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.. code-block:: console
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$ neutron subnet-create --tenant-id <SERVICE_ID> --gateway <GATEWAY> \
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--name hnas_subnet <NETWORK_ID> <SUBNET_CIDR>
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Add the subnet interface to a router, providing the router ID and subnet
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ID created before:
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.. code-block:: console
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$ neutron router-interface-add <ROUTER_ID> <SUBNET_ID>
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Create volume
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============================
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Create a non-bootable volume.
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.. code-block:: console
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$ openstack volume create --size 1 my-volume
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Verify Operation.
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.. code-block:: console
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$ cinder show my-volume
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+--------------------------------+--------------------------------------+
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| Property | Value |
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+--------------------------------+--------------------------------------+
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| attachments | [] |
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| availability_zone | nova |
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| bootable | false |
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| consistencygroup_id | None |
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| created_at | 2017-01-17T19:02:45.000000 |
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| description | None |
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| encrypted | False |
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| id | 4f5b8ae8-9781-411e-8ced-de616ae64cfd |
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| metadata | {} |
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| migration_status | None |
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| multiattach | False |
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| name | my-volume |
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| os-vol-host-attr:host | compute@hnas-iscsi#iscsi_gold |
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| os-vol-mig-status-attr:migstat | None |
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| os-vol-mig-status-attr:name_id | None |
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| os-vol-tenant-attr:tenant_id | 16def9176bc64bd283d419ac2651e299 |
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| replication_status | disabled |
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| size | 1 |
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| snapshot_id | None |
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| source_volid | None |
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| status | available |
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| updated_at | 2017-01-17T19:02:46.000000 |
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| user_id | fb318b96929c41c6949360c4ccdbf8c0 |
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| volume_type | None |
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+--------------------------------+--------------------------------------+
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$ nova volume-attach INSTANCE_ID VOLUME_ID auto
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+----------+--------------------------------------+
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| Property | Value |
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+----------+--------------------------------------+
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| device | /dev/vdc |
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| id | 4f5b8ae8-9781-411e-8ced-de616ae64cfd |
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| serverId | 3bf5e176-be05-4634-8cbd-e5fe491f5f9c |
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| volumeId | 4f5b8ae8-9781-411e-8ced-de616ae64cfd |
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+----------+--------------------------------------+
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$ openstack volume list
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+--------------------------------------+---------------+----------------+------+-------------------------------------------+
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| ID | Display Name | Status | Size | Attached to |
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+--------------------------------------+---------------+----------------+------+-------------------------------------------+
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| 4f5b8ae8-9781-411e-8ced-de616ae64cfd | my-volume | in-use | 1 | Attached to private-instance on /dev/vdb |
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+--------------------------------------+---------------+----------------+------+-------------------------------------------+
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Configure hnas-iscsi backend
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============================
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Below are configuration examples for both iSCSI backend.
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For HNAS iSCSI driver, create this section in your cinder.conf file:
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Modify the file ``/etc/kolla/config/cinder.conf`` and add the contents:
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.. code-block:: console
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[DEFAULT]
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enabled_backends = hnas-iscsi
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[hnas-iscsi]
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volume_driver = cinder.volume.drivers.hitachi.hnas_iscsi.HNASISCSIDriver
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volume_backend_name = hnas_iscsi_backend
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hnas_username = supervisor
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hnas_password = supervisor
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hnas_mgmt_ip0 = <hnas_ip>
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hnas_chap_enabled = True
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hnas_svc0_volume_type = iscsi_gold
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hnas_svc0_hdp = FS-Baremetal1
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hnas_svc0_iscsi_ip = <svc0_ip>
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For more information about how to manage volumes, 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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For more information about how HNAS driver works, see
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`Hitachi NAS Platform iSCSI and NFS drives for OpenStack
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<http://docs.openstack.org/newton/config-reference/block-storage/drivers/hds-hnas-driver.html>`__.
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