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79 lines
4.3 KiB
XML
79 lines
4.3 KiB
XML
<?xml version='1.0' encoding='utf-8' ?>
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<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % BOOK_ENTITIES SYSTEM "cloudstack.ent">
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%BOOK_ENTITIES;
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]>
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<!-- Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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-->
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<section id="migrate-datadisk-volume-new-storage-pool">
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<title>Migrating a Data Volume to a New Storage Pool</title>
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<para>There are two situations when you might want to migrate a disk:</para>
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<itemizedlist>
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<listitem><para>Move the disk to new storage, but leave it attached to the same running VM.</para></listitem>
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<listitem><para>Detach the disk from its current VM, move it to new storage, and attach it to a new VM.</para></listitem>
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</itemizedlist>
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<section id="migrate-storage-same-vm">
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<title>Migrating Storage For a Running VM</title>
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<para>(Supported on XenServer and VMware)</para>
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<orderedlist>
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<listitem><para>Log in to the &PRODUCT; UI as a user or admin.</para></listitem>
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<listitem><para>In the left navigation bar, click Instances, click the VM name, and click View Volumes.</para></listitem>
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<listitem><para>Click the volume you want to migrate.</para></listitem>
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<listitem><para>Detach the disk from the VM.
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See <xref linkend="detach-move-volumes"/> but skip the “reattach” step at the end. You
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will do that after migrating to new storage.</para></listitem>
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<listitem><para>Click the Migrate Volume button<inlinemediaobject>
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<imageobject>
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<imagedata fileref="./images/migrate-instance.png"/>
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</imageobject>
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<textobject>
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<phrase>Migrateinstance.png: button to migrate a volume</phrase>
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</textobject>
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</inlinemediaobject>
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and choose the destination from the dropdown list.</para></listitem>
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<listitem><para>Watch for the volume status to change to Migrating, then back to Ready.</para></listitem>
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</orderedlist>
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</section>
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<section id="migrate-storage-change-vm">
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<title>Migrating Storage and Attaching to a Different VM</title>
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<orderedlist>
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<listitem><para>Log in to the &PRODUCT; UI as a user or admin.</para></listitem>
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<listitem><para>Detach the disk from the VM.
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See <xref linkend="detach-move-volumes"/> but skip the “reattach” step at the end. You
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will do that after migrating to new storage.</para></listitem>
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<listitem><para>Click the Migrate Volume button<inlinemediaobject>
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<imageobject>
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<imagedata fileref="./images/migrate-instance.png"/>
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</imageobject>
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<textobject>
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<phrase>Migrateinstance.png: button to migrate a volume</phrase>
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</textobject>
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</inlinemediaobject>
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and choose the destination from the dropdown list.</para></listitem>
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<listitem><para>Watch for the volume status to change to Migrating, then back to Ready. You can find the
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volume by clicking Storage in the left navigation bar. Make sure that Volumes is
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displayed at the top of the window, in the Select View dropdown.</para></listitem>
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<listitem><para>Attach the volume to any desired VM running in the same cluster as the new storage server. See
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<xref linkend="attaching-volume"/>
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</para></listitem>
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</orderedlist>
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</section>
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</section>
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