613 lines
33 KiB
XML
613 lines
33 KiB
XML
<section xml:id="netapp-volume-driver"
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xmlns="http://docbook.org/ns/docbook"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0">
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<title>NetApp unified driver</title>
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<para>The NetApp unified driver is a block storage driver that
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supports multiple storage families and protocols. A storage
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family corresponds to storage systems built on different
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NetApp technologies such as clustered Data ONTAP, Data ONTAP
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operating in 7-Mode, and E-Series. The storage protocol refers
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to the protocol used to initiate data storage and access
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operations on those storage systems like iSCSI and NFS. The
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NetApp unified driver can be configured to provision and manage
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OpenStack volumes on a given storage family using a specified
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storage protocol. The OpenStack volumes can then be used for
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accessing and storing data using the storage protocol on the
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storage family system. The NetApp unified driver is an
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extensible interface that can support new storage families and
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protocols.</para>
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<section xml:id="ontap-cluster-family">
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<title>NetApp clustered Data ONTAP storage family</title>
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<para>The NetApp clustered Data ONTAP storage family
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represents a configuration group which provides OpenStack
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compute instances access to clustered Data ONTAP storage
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systems. At present it can be configured in OpenStack Block Storage to work
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with iSCSI and NFS storage protocols.</para>
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<section xml:id="ontap-cluster-iscsi">
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<title>NetApp iSCSI configuration for clustered Data
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ONTAP</title>
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<para>The NetApp iSCSI configuration for clustered Data
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ONTAP is an interface from OpenStack to clustered Data
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ONTAP storage systems for provisioning and managing
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the SAN block storage entity; that is, a NetApp LUN
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which can be accessed using the iSCSI protocol.</para>
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<para>The iSCSI configuration for clustered Data ONTAP is
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a direct interface from OpenStack Block Storage to the clustered Data
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ONTAP instance and as such does not require additional
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management software to achieve the desired
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functionality. It uses NetApp APIs to interact with
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the clustered Data ONTAP instance.</para>
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<simplesect>
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<title>Configuration options for clustered Data ONTAP
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family with iSCSI protocol</title>
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<para>Configure the volume driver, storage family and
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storage protocol to the NetApp unified driver,
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clustered Data ONTAP, and iSCSI respectively by
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setting the <option>volume_driver</option>,
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<option>netapp_storage_family</option> and
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<option>netapp_storage_protocol</option>
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options in <filename>cinder.conf</filename> as
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follows:</para>
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<programlisting language="ini">
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volume_driver=cinder.volume.drivers.netapp.common.NetAppDriver
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netapp_storage_family=ontap_cluster
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netapp_storage_protocol=iscsi
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netapp_vserver=<replaceable>openstack-vserver</replaceable>
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netapp_server_hostname=<replaceable>myhostname</replaceable>
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netapp_server_port=<replaceable>80</replaceable>
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netapp_login=<replaceable>username</replaceable>
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netapp_password=<replaceable>password</replaceable>
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</programlisting>
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<note>
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<para>You must override the default value of
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<option>netapp_storage_protocol</option>
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with <literal>iscsi</literal> in order to
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utilize the iSCSI protocol.</para>
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</note>
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<xi:include
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href="../../../common/tables/cinder-netapp_cdot_iscsi.xml"/>
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<note>
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<para>If you specify an account in the
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<option>netapp_login</option> that only
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has virtual storage server (Vserver)
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administration privileges (rather than
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cluster-wide administration privileges), some
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advanced features of the NetApp unified driver
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will not work and you may see warnings in the
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OpenStack Block Storage logs.</para>
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</note>
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<tip>
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<para>For more information on these options and
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other deployment and operational scenarios,
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visit the <link
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xlink:href="https://communities.netapp.com/groups/openstack"
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> OpenStack NetApp
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community</link>.</para>
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</tip>
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</simplesect>
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</section>
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<section xml:id="ontap-cluster-nfs">
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<title>NetApp NFS configuration for clustered Data
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ONTAP</title>
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<para>The NetApp NFS configuration for clustered Data
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ONTAP is an interface from OpenStack to a clustered
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Data ONTAP system for provisioning and managing
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OpenStack volumes on NFS exports provided by the
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clustered Data ONTAP system that are accessed using
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the NFS protocol.</para>
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<para>The NFS configuration for clustered Data ONTAP is a
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direct interface from OpenStack Block Storage to the clustered Data
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ONTAP instance and as such does not require any
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additional management software to achieve the desired
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functionality. It uses NetApp APIs to interact with
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the clustered Data ONTAP instance.</para>
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<simplesect>
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<title>Configuration options for the clustered Data
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ONTAP family with NFS protocol</title>
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<para>Configure the volume driver, storage family and
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storage protocol to NetApp unified driver,
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clustered Data ONTAP, and NFS respectively by
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setting the <option>volume_driver</option>,
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<option>netapp_storage_family</option> and
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<option>netapp_storage_protocol</option>
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options in <filename>cinder.conf</filename> as
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follows:</para>
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<programlisting language="ini">
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volume_driver=cinder.volume.drivers.netapp.common.NetAppDriver
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netapp_storage_family=ontap_cluster
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netapp_storage_protocol=nfs
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netapp_vserver=<replaceable>openstack-vserver</replaceable>
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netapp_server_hostname=<replaceable>myhostname</replaceable>
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netapp_server_port=<replaceable>80</replaceable>
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netapp_login=<replaceable>username</replaceable>
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netapp_password=<replaceable>password</replaceable>
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nfs_shares_config=<replaceable>/etc/cinder/nfs_shares</replaceable>
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</programlisting>
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<xi:include
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href="../../../common/tables/cinder-netapp_cdot_nfs.xml"/>
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<note>
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<para>Additional NetApp NFS configuration options are
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shared with the generic NFS driver. These options
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can be found here:
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<xref linkend="config_table_cinder_storage_nfs"/>.
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</para>
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</note>
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<note>
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<para>If you specify an account in the
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<option>netapp_login</option> that only
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has virtual storage server (Vserver)
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administration privileges (rather than
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cluster-wide administration privileges), some
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advanced features of the NetApp unified driver
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will not work and you may see warnings in the
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OpenStack Block Storage logs.</para>
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</note>
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</simplesect>
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<simplesect>
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<title>NetApp NFS Copy Offload client</title>
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<para>A feature was added in the Icehouse release of the NetApp unified
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driver that enables Image Service images to be efficiently copied to a
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destination Block Storage volume. When the Block Storage and Image Service are
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configured to use the NetApp NFS Copy Offload client, a controller-side copy
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will be attempted before reverting to downloading the image from the
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Image Service. This improves image provisioning times while reducing the
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consumption of bandwidth and CPU cycles on the host(s) running the Image
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and Block Storage services. This is due to the copy operation being performed
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completely within the storage cluster.</para>
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<para>The NetApp NFS Copy Offload client can be used in either of the following
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scenarios:</para>
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<itemizedlist>
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<listitem>
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<para>The Image Service is configured to store images in an NFS share that
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is exported from a NetApp FlexVol volume <emphasis>and</emphasis>
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the destination for the new Block Storage volume will be on an NFS share
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exported from a different FlexVol volume than the one used by
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the Image Service. Both FlexVols must be located within the same cluster.</para>
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</listitem>
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<listitem>
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<para>The source image from the Image Service has already been cached in an NFS
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image cache within a Block Storage backend. The cached image resides on a
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different FlexVol volume than the destination for the new Block Storage
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volume. Both FlexVols must be located within the same cluster.</para>
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</listitem>
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</itemizedlist>
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<para>To use this feature, you must configure the
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Image Service, as follows:</para>
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<itemizedlist>
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<listitem>
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<para>Set the <option>default_store</option>
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configuration option to
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<literal>file</literal>.</para>
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</listitem>
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<listitem>
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<para>Set the <option>filesystem_store_datadir</option>
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configuration option to the
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path to the Image Service NFS export.</para>
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</listitem>
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<listitem>
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<para>Set the <option>show_image_direct_url</option>
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configuration option to
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<literal>True</literal>.</para>
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</listitem>
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<listitem>
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<para>Set the <option>show_multiple_locations</option>
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configuration option to
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<literal>True</literal>.</para>
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</listitem>
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<listitem>
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<para>Set the <option>filesystem_store_metadata_file</option>
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configuration option to a
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metadata file. The metadata file should
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contain a JSON object that contains the
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correct information about the NFS export
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used by the Image Service, similar
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to:</para>
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<programlisting language="ini">{
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"share_location": "<replaceable>nfs://192.168.0.1/myGlanceExport</replaceable>",
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"mount_point": "<replaceable>/var/lib/glance/images</replaceable>",
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"type": "nfs"
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}</programlisting>
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</listitem>
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</itemizedlist>
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<para>To use this feature, you must configure the
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Block Storage service, as follows:</para>
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<itemizedlist>
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<listitem>
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<para>Set the <option>netapp_copyoffload_tool_path</option>
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configuration option to
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the path to the NetApp Copy Offload binary.</para>
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</listitem>
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<listitem>
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<para>Set the <option>glance_api_version</option>
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configuration option to
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<literal>2</literal>.</para>
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</listitem>
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</itemizedlist>
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<important>
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<para>This feature requires that:</para>
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<itemizedlist>
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<listitem>
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<para>The storage system must have Data
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ONTAP v8.2 or greater installed.</para>
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</listitem>
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<listitem>
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<para>The vStorage feature must be enabled
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on each storage virtual machine (SVM, also
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known as a Vserver) that is permitted to
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interact with the copy offload
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client.</para>
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</listitem>
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<listitem>
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<para>To configure the copy offload workflow,
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enable NFS v4.0 or greater
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and export it from the SVM.</para>
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</listitem>
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</itemizedlist>
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</important>
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<tip>
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<para>To download the NetApp copy offload binary to be utilized
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in conjunction with the <option>netapp_copyoffload_tool_path</option>
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configuration option, please visit the download page at
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the <link xlink:href="https://communities.netapp.com/docs/DOC-33412">NetApp
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OpenStack Community site</link>.</para>
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</tip>
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<tip>
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<para>For more information on these options and other deployment
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and operational scenarios, visit the <link
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xlink:href="https://communities.netapp.com/groups/openstack">
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OpenStack NetApp community</link>.</para>
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</tip>
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</simplesect>
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</section>
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<section xml:id="ontap-cluster-extraspecs">
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<title>NetApp-supported extra specs for clustered Data
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ONTAP</title>
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<para>Extra specs enable vendors to specify extra filter
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criteria that the Block Storage scheduler uses when it
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determines which volume node should fulfill a volume
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provisioning request. When you use the NetApp unified
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driver with a clustered Data ONTAP storage system, you
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can leverage extra specs with OpenStack Block Storage volume types to
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ensure that OpenStack Block Storage volumes are created on storage back
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ends that have certain properties. For example, when
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you configure QoS, mirroring, or compression for a
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storage back end.</para>
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<para>Extra specs are associated with OpenStack Block Storage volume types,
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so that when users request volumes of a particular
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volume type, the volumes are created on storage back
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ends that meet the list of requirements. For example,
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the back ends have the available space or extra specs.
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You can use the specs in the following table when you
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define OpenStack Block Storage volume types by using the
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<command>cinder type-key</command> command.</para>
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<xi:include
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href="../../../common/tables/cinder-netapp_cdot_extraspecs.xml"/>
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<note>
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<para>It is recommended to only set the value of extra
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specs to <literal>True</literal> when combining
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multiple specs to enforce a certain logic set. If
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you desire to remove volumes with a certain
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feature enabled from consideration from the OpenStack Block Storage
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volume scheduler, be sure to use the negated spec
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name with a value of <literal>True</literal>
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rather than setting the positive spec to a value
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of <literal>False</literal>.</para>
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</note>
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</section>
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</section>
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<section xml:id="ontap-7mode-family">
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<title>NetApp Data ONTAP operating in 7-Mode storage
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family</title>
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<para>The NetApp Data ONTAP operating in 7-Mode storage family
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represents a configuration group which provides OpenStack
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compute instances access to 7-Mode storage systems. At
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present it can be configured in OpenStack Block Storage to work with iSCSI
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and NFS storage protocols.</para>
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<section xml:id="ontap-7mode-iscsi">
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<title>NetApp iSCSI configuration for Data ONTAP operating
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in 7-Mode</title>
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<para>The NetApp iSCSI configuration for Data ONTAP
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operating in 7-Mode is an interface from OpenStack to
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Data ONTAP operating in 7-Mode storage systems for
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provisioning and managing the SAN block storage
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entity, that is, a LUN which can be accessed using
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iSCSI protocol.</para>
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<para>The iSCSI configuration for Data ONTAP operating in
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7-Mode is a direct interface from OpenStack to Data
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ONTAP operating in 7-Mode storage system and it does
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not require additional management software to achieve
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the desired functionality. It uses NetApp ONTAPI to
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interact with the Data ONTAP operating in 7-Mode
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storage system.</para>
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<simplesect>
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<title>Configuration options for the Data ONTAP
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operating in 7-Mode storage family with iSCSI
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protocol</title>
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<para>Configure the volume driver, storage family and
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storage protocol to the NetApp unified driver,
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Data ONTAP operating in 7-Mode, and iSCSI
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respectively by setting the
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<option>volume_driver</option>,
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<option>netapp_storage_family</option> and
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<option>netapp_storage_protocol</option>
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options in <filename>cinder.conf</filename> as
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follows:</para>
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<programlisting language="ini">
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volume_driver=cinder.volume.drivers.netapp.common.NetAppDriver
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netapp_storage_family=ontap_7mode
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netapp_storage_protocol=iscsi
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netapp_server_hostname=<replaceable>myhostname</replaceable>
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netapp_server_port=<replaceable>80</replaceable>
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netapp_login=<replaceable>username</replaceable>
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netapp_password=<replaceable>password</replaceable>
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</programlisting>
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<note>
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<para>You must override the default value of
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<option>netapp_storage_protocol</option>
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with <literal>iscsi</literal> in order to
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utilize the iSCSI protocol.</para>
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</note>
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<xi:include
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href="../../../common/tables/cinder-netapp_7mode_iscsi.xml"/>
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<tip>
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<para>For more information on these options and
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other deployment and operational scenarios,
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visit the <link
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xlink:href="https://communities.netapp.com/groups/openstack"
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>OpenStack NetApp community</link>.</para>
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</tip>
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</simplesect>
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</section>
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<section xml:id="ontap-7mode-nfs">
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<title>NetApp NFS configuration for Data ONTAP operating
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in 7-Mode</title>
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<para>The NetApp NFS configuration for Data ONTAP
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operating in 7-Mode is an interface from OpenStack to
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Data ONTAP operating in 7-Mode storage system for
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provisioning and managing OpenStack volumes on NFS
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exports provided by the Data ONTAP operating in 7-Mode
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storage system which can then be accessed using NFS
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protocol.</para>
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<para>The NFS configuration for Data ONTAP operating in
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7-Mode is a direct interface from OpenStack Block Storage to the Data
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ONTAP operating in 7-Mode instance and as such does
|
|
not require any additional management software to
|
|
achieve the desired functionality. It uses NetApp
|
|
ONTAPI to interact with the Data ONTAP operating in
|
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7-Mode storage system.</para>
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<simplesect>
|
|
<title>Configuration options for the Data ONTAP
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operating in 7-Mode family with NFS
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protocol</title>
|
|
<para>Configure the volume driver, storage family and
|
|
storage protocol to the NetApp unified driver,
|
|
Data ONTAP operating in 7-Mode, and NFS
|
|
respectively by setting the
|
|
<option>volume_driver</option>,
|
|
<option>netapp_storage_family</option> and
|
|
<option>netapp_storage_protocol</option>
|
|
options in <filename>cinder.conf</filename> as
|
|
follows:</para>
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<programlisting language="ini">
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volume_driver=cinder.volume.drivers.netapp.common.NetAppDriver
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netapp_storage_family=ontap_7mode
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netapp_storage_protocol=nfs
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netapp_server_hostname=<replaceable>myhostname</replaceable>
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netapp_server_port=<replaceable>80</replaceable>
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netapp_login=<replaceable>username</replaceable>
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netapp_password=<replaceable>password</replaceable>
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nfs_shares_config=<replaceable>/etc/cinder/nfs_shares</replaceable>
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</programlisting>
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<xi:include
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href="../../../common/tables/cinder-netapp_7mode_nfs.xml"/>
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|
<note>
|
|
<para>Additional NetApp NFS configuration options are
|
|
shared with the generic NFS driver. These options
|
|
can be found here:
|
|
<xref linkend="config_table_cinder_storage_nfs"/>.
|
|
</para>
|
|
</note>
|
|
<tip>
|
|
<para>For more information on these options and
|
|
other deployment and operational scenarios,
|
|
visit the <link
|
|
xlink:href="https://communities.netapp.com/groups/openstack"
|
|
>OpenStack NetApp community</link>.</para>
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|
</tip>
|
|
</simplesect>
|
|
</section>
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</section>
|
|
<section xml:id="eseries-family">
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<title>NetApp E-Series storage family</title>
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<para>The NetApp E-Series storage family represents a
|
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configuration group which provides OpenStack
|
|
compute instances access to E-Series storage systems.
|
|
At present it can be configured in OpenStack Block Storage to work
|
|
with the iSCSI storage protocol.</para>
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|
<section xml:id="eseries-iscsi">
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<title>NetApp iSCSI configuration for E-Series</title>
|
|
<para>The NetApp iSCSI configuration for E-Series
|
|
is an interface from OpenStack to E-Series storage
|
|
systems for provisioning and managing the SAN block
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storage entity; that is, a NetApp LUN which can be
|
|
accessed using the iSCSI protocol.</para>
|
|
<para>The iSCSI configuration for E-Series is an interface
|
|
from OpenStack Block Storage to the E-Series proxy instance and as such
|
|
requires the deployment of the proxy instance in order to
|
|
achieve the desired functionality. The driver uses REST
|
|
APIs to interact with the E-Series proxy instance, which in
|
|
turn interacts directly with the E-Series controllers.</para>
|
|
<simplesect>
|
|
<title>Configuration options for E-Series storage
|
|
family with iSCSI protocol</title>
|
|
<para>Configure the volume driver, storage family and
|
|
storage protocol to the NetApp unified driver,
|
|
E-Series, and iSCSI respectively by setting the
|
|
<option>volume_driver</option>,
|
|
<option>netapp_storage_family</option> and
|
|
<option>netapp_storage_protocol</option>
|
|
options in <filename>cinder.conf</filename> as
|
|
follows:</para>
|
|
<programlisting language="ini">
|
|
volume_driver=cinder.volume.drivers.netapp.common.NetAppDriver
|
|
netapp_storage_family=eseries
|
|
netapp_storage_protocol=iscsi
|
|
netapp_server_hostname=<replaceable>myhostname</replaceable>
|
|
netapp_server_port=<replaceable>80</replaceable>
|
|
netapp_login=<replaceable>username</replaceable>
|
|
netapp_password=<replaceable>password</replaceable>
|
|
netapp_controller_ips=<replaceable>1.2.3.4,5.6.7.8</replaceable>
|
|
netapp_sa_password=<replaceable>arrayPassword</replaceable>
|
|
netapp_storage_pools=<replaceable>pool1,pool2</replaceable>
|
|
</programlisting>
|
|
<note>
|
|
<para>You must override the default value of
|
|
<option>netapp_storage_family</option>
|
|
with <literal>eseries</literal> in order to
|
|
utilize the E-Series driver.</para>
|
|
</note>
|
|
<note>
|
|
<para>You must override the default value of
|
|
<option>netapp_storage_protocol</option>
|
|
with <literal>iscsi</literal> in order to
|
|
utilize the iSCSI protocol.</para>
|
|
</note>
|
|
<xi:include
|
|
href="../../../common/tables/cinder-netapp_eseries_iscsi.xml"/>
|
|
<tip>
|
|
<para>For more information on these options and
|
|
other deployment and operational scenarios,
|
|
visit the <link
|
|
xlink:href="https://communities.netapp.com/groups/openstack"
|
|
> OpenStack NetApp
|
|
community.</link></para>
|
|
</tip>
|
|
</simplesect>
|
|
</section>
|
|
</section>
|
|
<section xml:id="ontap-unified-upgrade-deprecated">
|
|
<title>Upgrading prior NetApp drivers to the NetApp unified
|
|
driver</title>
|
|
<para>NetApp introduced a new unified block storage driver in
|
|
Havana for configuring different storage families and
|
|
storage protocols. This requires defining upgrade path for
|
|
NetApp drivers which existed in releases prior to Havana.
|
|
This section covers the upgrade configuration for NetApp
|
|
drivers to the new unified configuration and a list of
|
|
deprecated NetApp drivers.</para>
|
|
<section xml:id="ontap-unified-upgrade">
|
|
<title>Upgraded NetApp drivers</title>
|
|
<para>This section describes how to update OpenStack Block Storage
|
|
configuration from a pre-Havana release to the new
|
|
unified driver format.</para>
|
|
<simplesect>
|
|
<title>Driver upgrade configuration</title>
|
|
<orderedlist>
|
|
<listitem>
|
|
<para>NetApp iSCSI direct driver for Clustered
|
|
Data ONTAP in Grizzly (or earlier)</para>
|
|
<programlisting language="ini">
|
|
volume_driver=cinder.volume.drivers.netapp.iscsi.NetAppDirectCmodeISCSIDriver
|
|
</programlisting>
|
|
<para>NetApp Unified Driver
|
|
configuration</para>
|
|
<programlisting language="ini">
|
|
volume_driver=cinder.volume.drivers.netapp.common.NetAppDriver
|
|
netapp_storage_family=ontap_cluster
|
|
netapp_storage_protocol=iscsi
|
|
</programlisting>
|
|
</listitem>
|
|
<listitem>
|
|
<para>NetApp NFS direct driver for Clustered
|
|
Data ONTAP in Grizzly (or earlier)</para>
|
|
<programlisting language="ini">
|
|
volume_driver=cinder.volume.drivers.netapp.nfs.NetAppDirectCmodeNfsDriver
|
|
</programlisting>
|
|
<para>NetApp Unified Driver
|
|
configuration</para>
|
|
<programlisting language="ini">
|
|
volume_driver=cinder.volume.drivers.netapp.common.NetAppDriver
|
|
netapp_storage_family=ontap_cluster
|
|
netapp_storage_protocol=nfs
|
|
</programlisting>
|
|
</listitem>
|
|
<listitem>
|
|
<para>NetApp iSCSI direct driver for Data
|
|
ONTAP operating in 7-Mode storage
|
|
controller in Grizzly (or earlier)</para>
|
|
<programlisting language="ini">
|
|
volume_driver=cinder.volume.drivers.netapp.iscsi.NetAppDirect7modeISCSIDriver
|
|
</programlisting>
|
|
<para>NetApp Unified Driver
|
|
configuration</para>
|
|
<programlisting language="ini">
|
|
volume_driver=cinder.volume.drivers.netapp.common.NetAppDriver
|
|
netapp_storage_family=ontap_7mode
|
|
netapp_storage_protocol=iscsi
|
|
</programlisting>
|
|
</listitem>
|
|
<listitem>
|
|
<para>NetApp NFS direct driver for Data ONTAP
|
|
operating in 7-Mode storage controller in
|
|
Grizzly (or earlier)</para>
|
|
<programlisting language="ini">
|
|
volume_driver=cinder.volume.drivers.netapp.nfs.NetAppDirect7modeNfsDriver
|
|
</programlisting>
|
|
<para>NetApp Unified Driver
|
|
configuration</para>
|
|
<programlisting language="ini">
|
|
volume_driver=cinder.volume.drivers.netapp.common.NetAppDriver
|
|
netapp_storage_family=ontap_7mode
|
|
netapp_storage_protocol=nfs
|
|
</programlisting>
|
|
</listitem>
|
|
</orderedlist>
|
|
|
|
</simplesect>
|
|
</section>
|
|
<section xml:id="ontap-driver-deprecate">
|
|
<title>Deprecated NetApp drivers</title>
|
|
<para>This section lists the NetApp drivers in previous
|
|
releases that are deprecated in Havana.</para>
|
|
<orderedlist>
|
|
<listitem>
|
|
<para>NetApp iSCSI driver for clustered Data
|
|
ONTAP.</para>
|
|
<programlisting language="ini">
|
|
volume_driver=cinder.volume.drivers.netapp.iscsi.NetAppCmodeISCSIDriver
|
|
</programlisting>
|
|
</listitem>
|
|
<listitem>
|
|
<para>NetApp NFS driver for clustered Data
|
|
ONTAP.</para>
|
|
<programlisting language="ini">
|
|
volume_driver=cinder.volume.drivers.netapp.nfs.NetAppCmodeNfsDriver
|
|
</programlisting>
|
|
</listitem>
|
|
<listitem>
|
|
<para>NetApp iSCSI driver for Data ONTAP operating
|
|
in 7-Mode storage controller.</para>
|
|
<programlisting language="ini">
|
|
volume_driver=cinder.volume.drivers.netapp.iscsi.NetAppISCSIDriver
|
|
</programlisting>
|
|
</listitem>
|
|
<listitem>
|
|
<para>NetApp NFS driver for Data ONTAP operating
|
|
in 7-Mode storage controller.</para>
|
|
<programlisting language="ini">
|
|
volume_driver=cinder.volume.drivers.netapp.nfs.NetAppNFSDriver
|
|
</programlisting>
|
|
</listitem>
|
|
</orderedlist>
|
|
<note>
|
|
<para>See the <link
|
|
xlink:href="https://communities.netapp.com/groups/openstack"
|
|
>OpenStack NetApp community</link> for support
|
|
information on deprecated NetApp drivers in the
|
|
Havana release.</para>
|
|
</note>
|
|
</section>
|
|
</section>
|
|
</section>
|