openstack-manuals/doc/user-guide/section_dashboard_manage_volumes.xml
Veronica Musso 76a040cb59 Comment related to device name in attach volumes
Comment in "Attach Volumes to instances" ("Manage volumes" section), in
order to inform that device name may not match the one proposed by the user.
This limitation is related to hypervisor settings.
The documentation of this issue was recommended by John Griffith in
https://review.openstack.org/#/c/60257/

backport: havana
Related-Bug: #1217874

Change-Id: Ifa65ec6eecca23e85786b0fd79ae3b8ef8ebd537
2013-12-19 14:54:55 -06:00

170 lines
6.7 KiB
XML

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE section [
<!-- Some useful entities borrowed from HTML -->
<!ENTITY ndash "&#x2013;">
<!ENTITY mdash "&#x2014;">
<!ENTITY hellip "&#x2026;">
<!ENTITY plusmn "&#xB1;">
]>
<section xmlns="http://docbook.org/ns/docbook"
xmlns:xi="http://www.w3.org/2001/XInclude"
xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"
xml:id="dashboard_manage_volumes">
<title>Manage volumes</title>
<?dbhtml stop-chunking?>
<para>Volumes are block storage devices that you attach to
instances to enable persistent storage. You can attach a
volume to a running instance or detach a volume and attach it
to another instance at any time. You can also create a
snapshot from or delete a volume. Only administrative users
can create volume types.</para>
<section xml:id="dashboard_create_volumes">
<title>Create a volume</title>
<procedure>
<!-- <title>To create or delete a volume</title> -->
<step>
<para>Log in to the dashboard, choose a project, and
click the <guibutton>Volumes</guibutton>
category.</para>
</step>
<step>
<para>Click <guibutton>Create
Volume</guibutton>.</para>
<para>In the window that opens, enter a name, an
optional description, and the size in GBs for the
volume.</para>
</step>
<step>
<para>Click <guibutton>Create Volume</guibutton> to
confirm your changes.</para>
</step>
<step>
<para>The dashboard shows the volume in the
<guilabel>Volumes</guilabel> category.</para>
</step>
</procedure>
</section>
<section xml:id="attach_volumes_to_instances">
<title>Attach volumes to instances</title>
<para>After you create one or more volumes, you can attach
them to instances.</para>
<procedure>
<!--<title>To attach volumes to instances</title>-->
<step>
<para>Log in to the dashboard, choose a project, and
click the <guibutton>Volumes</guibutton>
category.</para>
</step>
<step>
<para>Select the volume to add to an instance and
click <guibutton>Edit Attachments</guibutton>.</para>
</step>
<step>
<para>In the <guilabel>Manage Volume
Attachments</guilabel> window, select an
instance.</para>
</step>
<step>
<para>Enter the name of the device from where the
volume should be accessible on the virtual
machine.</para>
<note>
<para>The actual device name might differ due to
hypervisor settings.</para>
</note>
</step>
<step>
<para>Click <guibutton>Attach Volume</guibutton> to
confirm your changes. The dashboard shows the
instance to which the volume is now attached and
the device name. You can attach a volume to one
instance at a time.</para>
</step>
<step>
<para>View the status of a volume in the
<guilabel>Instances &amp; Volumes</guilabel>
category of the dashboard. The volume is either
available or In-Use.</para>
</step>
<step>
<para>Now you can log in to the instance and mount,
format, and use the disk.</para>
</step>
</procedure>
</section>
<section xml:id="dashboard_detach_volume">
<title>Detach a volume from an instance</title>
<procedure>
<step>
<para>Log in to the dashboard, choose a project, and
click the <guibutton>Volumes</guibutton>
category.</para>
</step>
<step>
<para>Select the volume and click <guibutton>Edit
Attachments</guibutton>.</para>
</step>
<step>
<para>Click <guibutton>Detach Volume</guibutton> and
confirm your changes.</para>
</step>
<step>
<para>A message indicates whether the action was
successful.</para>
</step>
</procedure>
</section>
<section xml:id="create_volume_snapsnots">
<title>Create volume snapshots</title>
<procedure>
<step>
<para>Log in to the dashboard, choose a project, and
click the <guilabel>Instances &amp;
Volumes</guilabel> category.</para>
</step>
<step>
<para>Select a volume from which to create a snapshot.</para>
</step>
<step>
<para>From the <guilabel>Actions</guilabel> drop-down
list, select <guilabel>Create Snapshot</guilabel>.</para>
</step>
<step>
<para>In the window that opens, enter a snapshot name
and a description.</para>
</step>
<step>
<para>Confirm your changes.</para>
<para>The dashboard shows the new volume snapshot in
the <guilabel>Images &amp; Snapshots</guilabel>
category.</para>
</step>
</procedure>
</section>
<section xml:id="dashboard_delete_volume">
<title>Delete volumes</title>
<para>When you delete an instance, the data of its attached
volumes is not destroyed.</para>
<procedure>
<step>
<para>Log in to the dashboard, choose a project, and
click the <guibutton>Volumes</guibutton>
category.</para>
</step>
<step>
<para>Activate the check boxes in front of the volumes
that you want to delete.</para>
</step>
<step>
<para>Click <guibutton>Delete Volumes</guibutton> and
confirm your choice in the pop-up that
appears.</para>
</step>
<step>
<para>A message indicates whether the action was
successful.</para>
</step>
</procedure>
</section>
</section>