<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">this does not tell much!! What are the mount option on your nfs? what user? <div class=""><br class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Oct 12, 2015, at 05:25, varun bhatnagar <<a href="mailto:varun292006@gmail.com" class="">varun292006@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Hi,<div class=""><br class=""></div><div class="">I have OpenStack Juno with multinode setup.</div><div class="">The instance storage is mounted over NFS and is shared between all the computes.</div><div class="">I am trying to migrate an instance but while doing so the instance runs into ERROR state by throwing the below error message:</div><div class=""><b class=""><br class=""></b></div><div class=""><b class="">Failed to launch instance "test_instance": Please try again later [Error: Unexpected error while running command. Command: ssh 192.168.151.104 mkdir -p /var/lib/nova/instances/328dc46e-8a1e-44ae-8450-6619b66203cd Exit code: 255 Stdout: u'' Stderr: u'Host key verification failed.\r\n']. </b><br class=""></div><div class=""><b class=""><br class=""></b></div><div class="">When I try to execute this command <b class="">(mkdir -p /var/lib/nova/instances/328dc46e-8a1e-44ae-8450-6619b66203cd) </b>it gets executed properly.</div><div class=""><b class=""><br class=""></b></div><div class="">Can anyone please help in fixing this?</div><div class=""><br class=""></div><div class="">BR,</div><div class="">Varun</div></div>
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