e9857d616d
This patch is part of the docs migration for Cinder. It is more or less a drag and drop of the docs from openstack-manuals admin-guide directory. I needed to change some syntax to work with Cinder's more stringent doc build. Note that the purpose of this patch is just to get the documentation back to an accessible location. Later patches will clean up the organization and content. Change-Id: Ib3f9255e0f9f2ff42a0ee4126607ff319a3d901e
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Failed to Attach Volume, Missing sg_scan
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========================================
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Problem
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~~~~~~~
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Failed to attach volume to an instance, ``sg_scan`` file not found. This
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error occurs when the sg3-utils package is not installed on the compute node.
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The IDs in your message are unique to your system:
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.. code-block:: console
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ERROR nova.compute.manager [req-cf2679fd-dd9e-4909-807f-48fe9bda3642 admin admin|req-cf2679fd-dd9e-4909-807f-48fe9bda3642 admin admin]
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[instance: 7d7c92e0-49fa-4a8e-87c7-73f22a9585d5|instance: 7d7c92e0-49fa-4a8e-87c7-73f22a9585d5]
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Failed to attach volume 4cc104c4-ac92-4bd6-9b95-c6686746414a at /dev/vdcTRACE nova.compute.manager
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[instance: 7d7c92e0-49fa-4a8e-87c7-73f22a9585d5|instance: 7d7c92e0-49fa-4a8e-87c7-73f22a9585d5]
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Stdout: '/usr/local/bin/nova-rootwrap: Executable not found: /usr/bin/sg_scan'
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Solution
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~~~~~~~~
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Run this command on the compute node to install the ``sg3-utils`` package:
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.. code-block:: console
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# apt-get install sg3-utils
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