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<p>You launch a volume-backed instance. The volume can't be
attached, so the instance can't be launched.</p>
<p>The volume can't be attached because iSCSI authentication fails.
Either it's not set up correctly in cinder.conf on the controller,
or you hit a bug. When you google for <i>iscsi authentication </i>and
<i>Cinder </i>or <i>Nova</i>, you get plenty of hits, such as
<a class="moz-txt-link-freetext" href="https://ask.openstack.org/en/question/92482/unable-to-attach-cinder-volume-iscsi-require-authentication/">https://ask.openstack.org/en/question/92482/unable-to-attach-cinder-volume-iscsi-require-authentication/</a>.<br>
</p>
This is the command that fails on the controller. The IP address or
target might be incorrect, or the credentials, which are set by
earlier iscsiadm commands.<br>
<blockquote type="cite"
cite="mid:1542179489.3301968.1576321912.148D2848@webmail.messagingengine.com">
<pre class="moz-quote-pre" wrap="">iscsiadm -m node -T iqn.2010-10.org.openstack:volume-9ae59d83-ec09-4fd5-aa2c-5049a29bed5e -p 172.23.29.118:3260 --login</pre>
</blockquote>
Bernd<br>
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