145 lines
5.6 KiB
XML
145 lines
5.6 KiB
XML
<?xml version="1.0"?>
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<section 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"
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xml:id="dell-storagecenter-driver" version="5.0">
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<title>Dell Storage Center Fibre Channel and iSCSI drivers</title>
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<para>The Dell Storage Center volume driver interacts with configured
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Storage Center arrays.</para>
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<para>The Dell Storage Center driver manages Storage Center arrays through
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Enterprise Manager. Enterprise Manager connection settings and Storage
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Center options are defined in the <filename>cinder.conf</filename> file.
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</para>
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<para>
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Prerequisite: Dell Enterprise Manager 2015 R1 or later must be used.
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</para>
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<simplesect>
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<title>Supported operations</title>
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<para>The Dell Storage Center volume driver provides the following
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Cinder volume operations:</para>
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<itemizedlist>
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<listitem>
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<para>Create, delete, attach (map), and detach (unmap) volumes.</para>
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</listitem>
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<listitem>
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<para>Create, list, and delete volume snapshots.</para>
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</listitem>
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<listitem>
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<para>Create a volume from a snapshot.</para>
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</listitem>
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<listitem>
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<para>Copy an image to a volume.</para>
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</listitem>
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<listitem>
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<para>Copy a volume to an image.</para>
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</listitem>
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<listitem>
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<para>Clone a volume.</para>
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</listitem>
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<listitem>
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<para>Extend a volume.</para>
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</listitem>
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</itemizedlist>
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</simplesect>
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<simplesect>
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<title>Extra spec options</title>
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<para>Volume type extra specs can be used to select different Storage
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Profiles.</para>
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<para>Storage Profiles control how Storage Center manages volume data.
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For a given volume, the selected Storage Profile dictates which disk
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tier accepts initial writes, as well as how data progression moves data
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between tiers to balance performance and cost. Predefined Storage
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Profiles are the most effective way to manage data in Storage
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Center.</para>
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<para>By default, if no Storage Profile is specified in the volume extra
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specs, the default Storage Profile for the user account configured for
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the Block Storage driver is used. The extra spec key
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<literal>storagetype:storageprofile</literal> with the value of the name
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of the Storage Profile on the Storage Center can be set to allow to use
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Storage Profiles other than the default.</para>
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<para>For ease of use from the command line, spaces in Storage Profile
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names are ignored. As an example, here is how to define two volume
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types using the <literal>High Priority</literal> and <literal>Low
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Priority</literal> Storage Profiles:</para>
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<screen><prompt>$</prompt> <userinput>cinder type-create "GoldVolumeType"</userinput>
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<prompt>$</prompt> <userinput>cinder type-key "GoldVolumeType" set storagetype:storageprofile=highpriority</userinput>
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<prompt>$</prompt> <userinput>cinder type-create "BronzeVolumeType"</userinput>
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<prompt>$</prompt> <userinput>cinder type-key "BronzeVolumeType" set storagetype:storageprofile=lowpriority</userinput></screen>
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</simplesect>
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<simplesect>
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<title>iSCSI configuration</title>
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<para>Use the following instructions to update the configuration
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file for iSCSI:
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<example><title>Sample iSCSI Configuration</title>
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<programlisting language="ini">default_volume_type = delliscsi
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enabled_backends = delliscsi
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[delliscsi]
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# Name to give this storage backend
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volume_backend_name = delliscsi
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# The iSCSI driver to load
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volume_driver = cinder.volume.drivers.dell.dell_storagecenter_iscsi.DellStorageCenterISCSIDriver
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# IP address of Enterprise Manager
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san_ip = 172.23.8.101
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# Enterprise Manager user name
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san_login = Admin
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# Enterprise Manager password
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san_password = secret
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# The Storage Center iSCSI IP address
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iscsi_ip_address = 192.168.0.20
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# The Storage Center serial number to use
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dell_sc_ssn = 64702
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# ==Optional settings==
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# The Enterprise Manager API port
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dell_sc_api_port = 3033
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# Server folder to place new server definitions
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dell_sc_server_folder = devstacksrv
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# Volume folder to place created volumes
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dell_sc_volume_folder = devstackvol/Cinder
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# The iSCSI IP port
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iscsi_port = 3260</programlisting>
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</example>
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</para>
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</simplesect>
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<simplesect>
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<title>Fibre Channel configuration</title>
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<para>Use the following instructions to update the configuration
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file for fibre channel:
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<example><title>Sample FC configuration</title>
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<programlisting language="ini">default_volume_type = dellfc
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enabled_backends = dellfc
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[dellfc]
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# Name to give this storage backend
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volume_backend_name = dellfc
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# The FC driver to load
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volume_driver = cinder.volume.drivers.dell.dell_storagecenter_fc.DellStorageCenterFCDriver
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# IP address of Enterprise Manager
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san_ip = 172.23.8.101
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# Enterprise Manager user name
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san_login = Admin
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# Enterprise Manager password
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san_password = secret
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# The Storage Center serial number to use
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dell_sc_ssn = 64702
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# Optional settings
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# The Enterprise Manager API port
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dell_sc_api_port = 3033
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# Server folder to place new server definitions
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dell_sc_server_folder = devstacksrv
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# Volume folder to place created volumes
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dell_sc_volume_folder = devstackvol/Cinder</programlisting>
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</example>
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</para>
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</simplesect>
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<simplesect>
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<title>Driver options</title>
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<para>The following table contains the configuration options specific to the
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Dell Storage Center volume driver.</para>
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<xi:include href="../../../common/tables/cinder-dellsc.xml"/>
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</simplesect>
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</section>
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