Make sure 2 cells are communicating with each other? Your means the child cells should konw each other and connect to others? Does any specail key words?<br><br>And there are errors in my cells: when i execute nova host-list,something error occured<br>DEBUG (shell:740) The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-de2a288e-47a0-4675-984e-4dc98c356ca4)<br>Traceback (most recent call last):<br> File "/usr/lib/python2.6/site-packages/novaclient/shell.py", line 737, in main<br> OpenStackComputeShell().main(map(strutils.safe_decode, sys.argv[1:]))<br> File "/usr/lib/python2.6/site-packages/novaclient/shell.py", line 673, in main<br> args.func(self.cs, args)<br> File "/usr/lib/python2.6/site-packages/novaclient/v1_1/shell.py", line 2775, in do_host_list<br> result = cs.hosts.list(args.zone)<br> File "/usr/lib/python2.6/site-packages/novaclient/v1_1/hosts.py", line 68, in list<br> return self._list(url, "hosts")<br> File "/usr/lib/python2.6/site-packages/novaclient/base.py", line 61, in _list<br> _resp, body = self.api.client.get(url)<br> File "/usr/lib/python2.6/site-packages/novaclient/client.py", line 229, in get<br> return self._cs_request(url, 'GET', **kwargs)<br> File "/usr/lib/python2.6/site-packages/novaclient/client.py", line 213, in _cs_request<br> **kwargs)<br> File "/usr/lib/python2.6/site-packages/novaclient/client.py", line 195, in _time_request<br> resp, body = self.request(url, method, **kwargs)<br> File "/usr/lib/python2.6/site-packages/novaclient/client.py", line 189, in request<br> raise exceptions.from_response(resp, body, url, method)<br>ClientException: The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-de2a288e-47a0-4675-984e-4dc98c356ca4)<br>ERROR: The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-de2a288e-47a0-4675-984e-4dc98c356ca4)<br><br>And the detailed error log is here:http://pastebin.com/ium8xHjX<br><br><br><div><sign signid="1"><div style="color:#909090;font-family:Arial Narrow;font-size:12px"><br><br><br><br>------------------</div><div style="font-size:14px;font-family:Verdana;color:#000;"><div>
<div>Best Regards</div>
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<div>ZhangJialong</div></div></div></sign></div><div><qzone></qzone></div><div> </div><div><tincludetail><div> </div><div> </div><div style="font:Verdana normal 14px;color:#000;"><div style="FONT-SIZE: 12px;FONT-FAMILY: Arial Narrow;padding:2px 0 2px 0;">------------------ Original ------------------</div><div style="FONT-SIZE: 12px;background:#efefef;padding:8px;"><div id="menu_sender"><b>From: </b> "Sam Morrison"<sorrison@gmail.com>;</div><div><b>Date: </b> Mon, Feb 17, 2014 08:49 AM</div><div><b>To: </b> "ÕżÒÁú"<zhangjl@awcloud.com>; <wbr></div><div></div><div><b>Subject: </b> Re: [Openstack] Running multiple nova-cells</div></div><div> </div>Hi,<div><br></div><div>Good to hear other people using cells, do you have specific errors? First I¡¯d make sure your 2 cells are communicating with each other, you can check logs for that. </div><div>If you¡¯re having issues the best place to ask is on the mailing list that way lots of people can reply.</div><div><br></div><div>Cheers,</div><div>Sam</div><div><br><div><br class="Apple-interchange-newline"><blockquote type="cite">Hi,<br> It`s a good news to konw your success that large deployment with nova cells.Could you shared me your experience how to deploy with nova cells? With the documents <br><a href="https://wiki.openstack.org/wiki/Blueprint-nova-compute-cells">https://wiki.openstack.org/wiki/Blueprint-nova-compute-cells</a>, <br>I deployed a nova cluster with 2 cells,while failed to create vm instance. It`s my pleasure that you can give me some advise if possible.<br><br>Thanks!<br><br><div><div style="color:#909090;font-family:Arial Narrow;font-size:12px"><br><br><br><br>------------------</div><div style="font-size: 14px; font-family: Verdana;">
<div>Best Regards</div>
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<div>ZhangJialong</div></div></div><div></div><div> </div><div><tincludetail><div> </div><div> </div><div style=""><div style="FONT-SIZE: 12px;FONT-FAMILY: Arial Narrow;padding:2px 0 2px 0;">------------------ Original ------------------</div><div style="FONT-SIZE: 12px;background:#efefef;padding:8px;"><div id="menu_sender"><b>From: </b> "Sam Morrison"<<a href="mailto:sorrison@gmail.com">sorrison@gmail.com</a>>;</div><div><b>Date: </b> Mon, Jul 15, 2013 02:52 PM</div><div><b>To: </b> "openstack"<<a href="mailto:openstack@lists.launchpad.net">openstack@lists.launchpad.net</a>>; <wbr></div><div></div><div><b>Subject: </b> [Openstack] Running multiple nova-cells</div></div><div> </div>Hi,<div><br></div><div>We have a reasonably large deployment with nova cells and we are having issues consuming messages fast enough at the top level due to all the instance updates etc.<div><br></div><div>We've done some tuning to some of the periodic tasks but users can trigger hundreds of messages to be sent upwards.</div><div>It looks like a bug where 1 message to be sent upwards somehow turns into about 50. We're debugging this at the moment.</div><div><br></div><div>Bu what I'm also wondering is if it's possible to run multiple nova-cell processes within a cell?</div><div>I see there is a blueprint [1] which makes me think it's not possible yet?</div><div><div><br class="webkit-block-placeholder"></div><div>We get spikes of 100/200 messages a second for a couple minutes and it takes a while for our nova-cell service to consume all of these.</div><div><br></div><div>Cheers,</div><div>Sam</div><div><br></div><div><br></div><div apple-content-edited="true">
<div style="font-family: Helvetica; font-size: inherit; 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-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div>[1] <a href="https://blueprints.launchpad.net/nova/+spec/multiple-nova-cell">https://blueprints.launchpad.net/nova/+spec/multiple-nova-cell</a> </div><div><br></div></div></div></div></div>
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