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</o:shapelayout></xml><![endif]--></head><body lang=DE-AT link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi Andrew,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>But whats about the –Inf collocation. The groups must not be active on the same node. This implies an order in shutting down and starting up, isn´t it? On the other hand, if both groups gets started on different nodes there should not be any order dependency since startup of one group may last a long time and the other should not wait that time.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Regards, Christian<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Andrew Beekhof [mailto:andrew@beekhof.net] <br><b>Sent:</b> Dienstag, 05. Juli 2011 03:46<br><b>To:</b> The Pacemaker cluster resource manager<br><b>Subject:</b> Re: [Pacemaker] Group not started/stopped in correct order with -INF collocation<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On Fri, Jul 1, 2011 at 7:23 PM, Kulovits Christian - OS ITSC <<a href="mailto:Christian.Kulovits@austrian.com">Christian.Kulovits@austrian.com</a>> wrote:<o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'>Hello Andrew,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;color:#1F497D'>No, there are no ordering constraint between the groups! </span><o:p></o:p></p></div></div><div><p class=MsoNormal><br>Then how is pacemaker supposed to know there is a start/stop order that should be observed?<br> <o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;color:#1F497D'>Regards, Christian</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US style='font-size:10.0pt'>From:</span></b><span lang=EN-US style='font-size:10.0pt'> Andrew Beekhof [mailto:<a href="mailto:andrew@beekhof.net" target="_blank">andrew@beekhof.net</a>] <br><b>Sent:</b> Freitag, 01. Juli 2011 09:31</span><o:p></o:p></p><div><p class=MsoNormal><br><b>To:</b> The Pacemaker cluster resource manager<br><b>Subject:</b> Re: [Pacemaker] Group not started/stopped in correct order with -INF collocation<o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'> <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On Tue, May 31, 2011 at 10:05 PM, Kulovits Christian - OS ITSC <<a href="mailto:Christian.Kulovits@austrian.com" target="_blank">Christian.Kulovits@austrian.com</a>> wrote:<o:p></o:p></p><div><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Hello,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>In a 2-node cluster two groups (prod, test) are defined with a collocation score=“-INFINITY“. When the node running the group prod failed, the test group on the other node was stopped and the prod group was started. After the failed node was online again, the prod group was moved to the other node. BUT the test group was first started, then the prod group was stopped and started on the other node. There was a very short time where both groups were active on the same node.</span><o:p></o:p></p></div></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Do you have an ordering constraint between them?<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>We use a RA to set the home directory for some users, and so the path gets first set and then unset by this sequence. There is no order defined between these groups to enable parallel starts on different nodes.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Is this a definition problem or a bug. Nevertheless this behavior looks strange for me!</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Kind regards, Christian</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:8.0pt'>Mit freundlichen Grüßen / with best regards<br>Christian Kulovits</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB>____________________________________________</span><span lang=EN-US><br><br></span><img border=0 width=160 height=63 id="_x0000_i1025" src="cid:image001.jpg@01CC4536.CFE31CA0" alt="Description: cid:497353613@17022010-1F5B"><span lang=EN-US><br></span><b><span lang=EN-US style='font-size:8.0pt'>AUSTRIAN AIRLINES<br><span style='color:black'>Christian Kulovits</span></span></b><span lang=EN-US style='font-size:8.0pt'><br><b>ITSOC Central System & Database Services<br>Senior IT System Engineer</b></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:7.5pt;color:black'>Head Office<br>Office Park 2, P.O. Box 100<br>1300 Vienna-Airport, Austria</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:8.0pt'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US style='font-size:8.0pt;font-family:Wingdings;color:maroon'>(</span></b><b><span lang=FR style='font-size:8.0pt;color:maroon'> </span></b><span lang=FR style='font-size:8.0pt;color:black'>Phone: <a href="tel:%2B43%20%280%295%201766%C2%A0%C2%A0%2011557" target="_blank">+43 (0)5 1766 11557</a></span><span lang=FR style='font-size:8.0pt'><br></span><b><span lang=EN-US style='font-size:8.0pt;font-family:Webdings;color:teal'>Ê</span></b><b><span lang=FR style='font-size:8.0pt'> </span></b><span lang=FR style='font-size:8.0pt;color:black'>Fax: <a href="tel:%2B43%20%280%295%201766%20511557" target="_blank">+43 (0)5 1766 511557</a></span><span lang=FR style='font-size:8.0pt'><br></span><span style='font-size:8.0pt;font-family:Webdings;color:olive'>È</span><b><span lang=FR style='font-size:8.0pt;color:olive'> </span></b><span lang=FR style='font-size:8.0pt;color:black'>Mobile: <a href="tel:%2B43%20%280%29664%2080111%2011557" target="_blank">+43 (0)664 80111 11557</a></span><span lang=FR style='font-size:8.0pt'><br></span><span lang=EN-US style='font-size:8.0pt;font-family:Wingdings;color:navy'>*</span><span lang=FR style='font-size:8.0pt;color:navy'> </span><span lang=FR style='font-size:8.0pt'>email:<span style='color:black'> </span><span style='color:blue'><a href="mailto:christian.kulovits@austrian.com" target="_blank">christian.kulovits@austrian.com</a></span><br></span><span lang=EN-US style='font-size:8.0pt;font-family:Webdings;color:#3366FF'>ý</span><span lang=FR style='font-size:8.0pt'> www: <a href="http://www.austrian.com/" target="_blank" title="http://www.austrian.com/">www.austrian.com</a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>____________________________________________ </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><p><span style='font-size:8.0pt'>________________________________________________</span><o:p></o:p></p><p><span style='font-size:8.0pt'>Austrian Airlines AG, Office Park 2, P.O. Box 100, 1300 Vienna-Airport, Austria, registered office: Vienna, registered with Vienna Commercial Court under FN 111000k, DVR 0091740. This e-mail is confidential and is subject to disclaimers. Details can be found at: <a href="http://www.austrian.com/disclaimer" target="_blank">http://www.austrian.com/disclaimer</a>.</span><o:p></o:p></p><p><span style='font-size:8.0pt'> </span><o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><br>_______________________________________________<br>Pacemaker mailing list: <a href="mailto:Pacemaker@oss.clusterlabs.org" target="_blank">Pacemaker@oss.clusterlabs.org</a><br><a href="http://oss.clusterlabs.org/mailman/listinfo/pacemaker" target="_blank">http://oss.clusterlabs.org/mailman/listinfo/pacemaker</a><br><br>Project Home: <a href="http://www.clusterlabs.org" target="_blank">http://www.clusterlabs.org</a><br>Getting started: <a href="http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf" target="_blank">http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf</a><br>Bugs: <a href="http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker" target="_blank">http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker</a><o:p></o:p></p></blockquote></div></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_______________________________________________<br>Pacemaker mailing list: <a href="mailto:Pacemaker@oss.clusterlabs.org">Pacemaker@oss.clusterlabs.org</a><br><a href="http://oss.clusterlabs.org/mailman/listinfo/pacemaker" target="_blank">http://oss.clusterlabs.org/mailman/listinfo/pacemaker</a><br><br>Project Home: <a href="http://www.clusterlabs.org" target="_blank">http://www.clusterlabs.org</a><br>Getting started: <a href="http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf" target="_blank">http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf</a><br>Bugs: <a href="http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker" target="_blank">http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker</a><o:p></o:p></p></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></body></html>