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</o:shapelayout></xml><![endif]--></head><body lang=DE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi Jacobo,<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 style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>one very interesting thing is missing.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Overload the node. Make a programm/script which generates<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>many IO-operations, many flushes and meanwhile requesting<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>more and more memory from the OS until swapping begins.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Ohhh, yes, swapping and IO is nice…<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 style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>…then you can prove your monitor and stop action timeouts… ;-)<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 style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Best regards<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Andreas Mock<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 style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Von:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Jacobo García [mailto:jacobo.garcia@gmail.com] <br><b>Gesendet:</b> Donnerstag, 11. Juli 2013 19:14<br><b>An:</b> pacemaker@oss.clusterlabs.org<br><b>Betreff:</b> [Pacemaker] Simulating that a node is down.<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>Hello,<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I am looking for different ways of testing that a node is down. I am finding a strange behavior with one of them (closing with IPtables the UDP communication port). I would like to know if closing the port is a recommended way of achieving my testing purposes. <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Also I would like to know other ways of testing apart from the ones compiled in the list below:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0cm;text-indent:-18.0pt;line-height:15.0pt;mso-list:l0 level1 lfo1;background:#FBFBFB'><![if !supportLists]><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:#333333'><span style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:#333333'>Stopping corosync.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0cm;text-indent:-18.0pt;line-height:15.0pt;mso-list:l0 level1 lfo1;background:#FBFBFB'><![if !supportLists]><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:#333333'><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:#333333'>Shutting down the node.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0cm;text-indent:-18.0pt;line-height:15.0pt;mso-list:l0 level1 lfo1;background:#FBFBFB'><![if !supportLists]><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:#333333'><span style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:#333333'>Shutting down the eth0 interface.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0cm;text-indent:-18.0pt;line-height:15.0pt;mso-list:l0 level1 lfo1;background:#FBFBFB'><![if !supportLists]><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:#333333'><span style='mso-list:Ignore'>4.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:#333333'>Killing corosync process.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0cm;text-indent:-18.0pt;line-height:15.0pt;mso-list:l0 level1 lfo1;background:#FBFBFB'><![if !supportLists]><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:#333333'><span style='mso-list:Ignore'>5.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:9.5pt;font-family:"Helvetica","sans-serif";color:#333333'>Closing the corosync communication port.<o:p></o:p></span></p></div><div><p class=MsoNormal>Thanks,<o:p></o:p></p></div><p class=MsoNormal><br clear=all><o:p></o:p></p><div><div><p class=MsoNormal>Jacobo García López de Araujo<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div></div></div></div></div></body></html>