<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">I was so convinced we resolved your issue Guilherme<div>but maybe it was someone else :)</div><div>the error simply means the user "nova" from the first CN cannot connect as the user "nova" to the second CN it needs to send the image to</div><div>Here are few checks : </div><div>#1 - Exchange all nova's public keys between all compute nodes</div><div>#2 - Make sure the connection with/ from that user is allowed (that you don't have directive such as "AllowUsers" in /etc/ssh/sshd_config)</div><div>#3 - Make sure in /etc/passwd, the nova user has a shell</div><div><br></div><div><br></div><div><div apple-content-edited="true">
<span class="Apple-style-span" style="border-collapse: separate; font-family: 'Lucida Grande'; border-spacing: 0px; "><span class="Apple-style-span" style="font-weight: normal; font-family: Helvetica; "><b style="color: rgb(19, 112, 138); ">Razique Mahroua</b></span><span class="Apple-style-span" style="font-weight: normal; font-family: Helvetica; color: rgb(19, 112, 138); "><b> - </b></span><span class="Apple-style-span" style="font-family: Helvetica; "><span class="Apple-style-span" style="font-weight: normal; font-family: Helvetica; "><b style="color: rgb(19, 112, 138); ">Nuage & Co</b></span><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span class="Apple-style-span" style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; border-collapse: separate; border-spacing: 0px; -webkit-text-decorations-in-effect: none; "><span class="Apple-style-span" style="border-collapse: separate; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="font-weight: normal; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; "><font class="Apple-style-span" color="#13708a"><a href="mailto:razique.mahroua@gmail.com">razique.mahroua@gmail.com</a></font></div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; "><font class="Apple-style-span" color="#13708a">Tel : +33 9 72 37 94 15</font></div></span></span></span></span></span><br class="Apple-interchange-newline" style="color: rgb(0, 0, 0); font-family: Arial; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span><img height="125" width="125" id="f8739993-32c7-492c-9b8b-3f33539ed229" apple-width="yes" apple-height="yes" src="cid:0A2450C8-6A0D-42D0-8035-743CAD564432@fabrique.lan"></span>
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<br><div><div>Le 15 août 2013 à 09:39, james <<a href="mailto:jshaw90@gmail.com">jshaw90@gmail.com</a>> a écrit :</div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr">Pigging backing on the answer before me but yes, i had the same problem. Following the setup of ssh keys for the user 'Nova' between nodes will resolve the problem for you.</div><div class="gmail_extra">
<br clear="all"><div><br>Kind Regards,<br><br>James Shaw<br></div>
<br><br><div class="gmail_quote">On 15 August 2013 02:10, Md. Maruful Hassan <span dir="ltr"><<a href="mailto:mrf.mnm@gmail.com" target="_blank">mrf.mnm@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">I have not done the live-migration setup before but looking at the log it seems like you don't have ssh setup right between your compute nodes.<div class="im"><div><br></div><div><div style="font-family:arial,sans-serif;font-size:13px">
<font color="#3d85c6">013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp Command:</font><b><font color="#ff0000"> ssh 10.3.77.52 mkdir -p /var/lib/nova/instances/e04986a1-8f56-4dd9-9995-419e05430da3</font></b></div>
<div style="font-family:arial,sans-serif;font-size:13px"><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp Exit code: 255</font></div><div style="font-family:arial,sans-serif;font-size:13px">
<font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp Stdout: ''</font></div><div style="font-family:arial,sans-serif;font-size:13px"><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp S</font><b><font color="#3d85c6">tderr: </font><font color="#ff0000">'Permission denied, please try again.\r\nPermission denied, please try again.\r\nPermission denied (publickey,password).\r\n'</font></b></div>
</div><div style="font-family:arial,sans-serif;font-size:13px"><font color="#3d85c6"><b><br></b></font></div></div><div>Setup ssh-key based passwordless access for user 'nova' (or whatever user nova process is running as ) between nodes. Then try again. </div>
<div><br></div><div><br></div></div><div class="gmail_extra"><br clear="all"><div>--<br>m@ruf</div>
<br><br><div class="gmail_quote"><div><div class="h5">On Thu, Aug 15, 2013 at 4:52 AM, Guilherme Russi <span dir="ltr"><<a href="mailto:luisguilherme.cr@gmail.com" target="_blank">luisguilherme.cr@gmail.com</a>></span> wrote:<br>
</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5">
<div dir="ltr">Hello guys,<div><br></div><div> I've been facing an error with live migration since last week and I wonder why I can't migrate my instances. I'm using the Grizzly release and I got this error in my both compute nodes:</div>
<div><br></div><div><br></div><div><div><span><font color="#3d85c6">2013-08-14 15:49:47.788 ERROR nova.compute.manager [req-1fad8da2-2682-48a4-a390-64cb00036568 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: e04986a1-8f56-4dd9-9995-419e05430da3] Unexpected error while running command.</font></span></div>
<div><span><font color="#3d85c6">Stderr: 'Permission denied, please try again.\r\nPermission denied, please try again.\r\nPermission denied (publickey,password).\r\n'. Setting instance vm_state to ERROR</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 ERROR nova.openstack.common.rpc.amqp [req-1fad8da2-2682-48a4-a390-64cb00036568 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] Exception during message handling</font></span></div>
</div><div><span><font color="#3d85c6"><br></font></span></div><div><span><font color="#3d85c6"><br></font></span></div><div><div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp Traceback (most recent call last):</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/openstack/common/rpc/amqp.py", line 430, in _process_data</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp rval = self.proxy.dispatch(ctxt, version, method, **args)</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/openstack/common/rpc/dispatcher.py", line 133, in dispatch</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp return getattr(proxyobj, method)(ctxt, **kwargs)</font></span></div><div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 117, in wrapped</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp temp_level, payload)</font></span></div><div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp self.gen.next()</font></span></div><div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 94, in wrapped</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp return f(self, context, *args, **kw)</font></span></div><div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 209, in decorated_function</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp pass</font></span></div><div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp self.gen.next()</font></span></div><div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 195, in decorated_function</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp return function(self, context, *args, **kwargs)</font></span></div><div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 260, in decorated_function</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp function(self, context, *args, **kwargs)</font></span></div><div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 237, in decorated_function</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp e, sys.exc_info())</font></span></div><div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp self.gen.next()</font></span></div><div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 224, in decorated_function</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp return function(self, context, *args, **kwargs)</font></span></div><div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2354, in resize_instance</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp block_device_info)</font></span></div><div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3467, in migrate_disk_and_power_off</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp inst_base_resize)</font></span></div><div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp self.gen.next()</font></span></div><div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3444, in migrate_disk_and_power_off</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp utils.execute('ssh', dest, 'mkdir', '-p', inst_base)</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/utils.py", line 239, in execute</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp cmd=' '.join(cmd))</font></span></div><div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp ProcessExecutionError: Unexpected error while running command.</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp Command: ssh 10.3.77.52 mkdir -p /var/lib/nova/instances/e04986a1-8f56-4dd9-9995-419e05430da3</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp Exit code: 255</font></span></div><div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp Stdout: ''</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp Stderr: 'Permission denied, please try again.\r\nPermission denied, please try again.\r\nPermission denied (publickey,password).\r\n'</font></span></div>
<div><span><font color="#3d85c6">2013-08-14 15:49:48.294 1700 TRACE nova.openstack.common.rpc.amqp</font></span></div></div><div><span style="background-color:rgb(111,168,220)"><br>
</span></div><div>Can anybody help me?</div><div><br></div><div>Regards.</div><span><font color="#888888"><div><br></div><div>Guilherme.</div><div><br></div></font></span></div>
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