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</o:shapelayout></xml><![endif]--></head><body lang=ZH-CN link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'>Hi Martin, Karli<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'>Thank a lot for your help.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'>According to your instruction, I added two parameters into cluster configuration, as below.<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'><span style='mso-list:Ignore'>1)<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'>enable power cycling mechanisms<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'><span style='mso-list:Ignore'>2)<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'>reserve one host standing by<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><img width=1071 height=686 id="图片_x0020_2" src="cid:image002.png@01D3895C.BBA36300"></span><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'>My test bed:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'>3 hosts which are real servers, cloudstack01/cloudstack03/cloudstack04. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'>Heavy load on cloudstack01, 21 vms<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'>Light load on cloudstack03, 1 vms<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'>No thing on cloudstack04<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'>When I shut down the last vm on cloudstack03(because I can’t migrate it to cloudstack01, I guess the load is already exceeding the threshold), the cloudstack04 goes to ‘maintenance’ then goes to ‘down’ state. Yepp, POWER SAVING.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><img width=1825 height=461 id="图片_x0020_1" src="cid:image001.png@01D3895A.2208F270"></span><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><a name="_MailEndCompose"><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></a></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'>I tried further test:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'>Set ‘HostInReserve’ to 0. Bingo, cloudstack03 goes down as expected.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'>But when I launch a new VM I get an error popup dialog which inform me that there isn’t enough memory resource to start a new VM. Is it normal way that power saving mechanism works? Can’t power saving policy scheduling module wake up a host to launch VM automatically?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'>Also, Is there any timeline base power saving policy I can apply? Like from 8’clock AM to 6’clock PM, 10 hosts up, 6’clock PM to next 8’clock AM, just keep 3 hosts alive. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'>Best regards<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'>Alex<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"微软雅黑",sans-serif'>发件人<span lang=EN-US>:</span></span></b><span lang=EN-US style='font-size:11.0pt;font-family:"微软雅黑",sans-serif'> Martin Sivak [mailto:msivak@redhat.com] <br></span><b><span style='font-size:11.0pt;font-family:"微软雅黑",sans-serif'>发送时间<span lang=EN-US>:</span></span></b><span lang=EN-US style='font-size:11.0pt;font-family:"微软雅黑",sans-serif'> 2018</span><span style='font-size:11.0pt;font-family:"微软雅黑",sans-serif'>年<span lang=EN-US>1</span>月<span lang=EN-US>8</span>日<span lang=EN-US> 19:43<br></span><b>收件人<span lang=EN-US>:</span></b><span lang=EN-US> Karli Sjöberg <karli@inparadise.se><br></span><b>抄送<span lang=EN-US>:</span></b><span lang=EN-US> Alex Shen <alex@bill-jc.com>; users <users@ovirt.org><br></span><b>主题<span lang=EN-US>:</span></b><span lang=EN-US> Re: [ovirt-users] How power-saving schedule policy applied?<o:p></o:p></span></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><p class=MsoNormal><span lang=EN-US>Hi,<o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>and here is a fresh screenshot just for you :)<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>You need to edit the cluster, select scheduling policy tab and add two parameters to your Power saving policy. One enables the power cycling mechanisms and the second one (HostsInReserve) controls how many empty hosts are allowed to stay up. When the host is not empty anymore a new one will be started.<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>Best regards<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>--<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>Martin Sivak<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>SLA / oVirt<o:p></o:p></span></p></div></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><p class=MsoNormal><span lang=EN-US>On Mon, Jan 8, 2018 at 12:29 PM, Karli Sjöberg <<a href="mailto:karli@inparadise.se" target="_blank">karli@inparadise.se</a>> wrote:<o:p></o:p></span></p><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><span lang=EN-US><o:p> </o:p></span></p><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><p class=MsoNormal><span lang=EN-US>Den 8 jan. 2018 12:07 skrev Alex Shen <<a href="mailto:alex@bill-jc.com" target="_blank">alex@bill-jc.com</a>>:<o:p></o:p></span></p><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><span lang=EN-US>Hi,<o:p></o:p></span></p><p><span lang=EN-US> <o:p></o:p></span></p><p><span lang=EN-US>I’m wondering how to apply power-saving schedule in ovirt cluster(version is 4.2.0.2-1.el7.centos)? Is there any instruction or manual with UI snapshots guidance? That will be appreciated. <o:p></o:p></span></p><p><span lang=EN-US> <o:p></o:p></span></p><p><span lang=EN-US>I’ve configed all host with ipmilan protocol and test ok. I suppose that power saving policy should converge VMs into hosts one by one. Something like that. From the beginning, all hosts are in ‘power off’ state, if a VM launch, power saving scheduling module should power on one host, and assign VM into that host. With many VMs activated, exceeding the threshold, power saving scheduling module should turn on another host…<o:p></o:p></span></p></div></div></blockquote></div></div></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>Jepp, that's basically how it works:)<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>/K<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><div><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><span lang=EN-US> <o:p></o:p></span></p><p><span lang=EN-US>If anyone had played power saving scheduling policy, please share me your scenarios or some hints. Thanks a lot.<o:p></o:p></span></p><p><span lang=EN-US> <o:p></o:p></span></p><p><span lang=EN-US>Alex<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><table class=MsoNormalTable border=1 cellspacing=3 cellpadding=0 style='border:none;border-top:solid #D3D4DE 1.0pt'><tr><td width=58 style='width:41.25pt;border:none;padding:13.5pt .75pt .75pt .75pt'><p class=MsoNormal><span lang=EN-US><a href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient" target="_blank"><span style='text-decoration:none'><img border=0 width=46 height=29 id="_x0000_i1025" src="https://ipmcdn.avast.com/images/icons/icon-envelope-tick-round-orange-animated-no-repeat-v1.gif"></span></a><o:p></o:p></span></p></td><td width=473 style='width:352.5pt;border:none;padding:12.75pt .75pt .75pt .75pt'><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:10.0pt;color:#41424E'>无病毒。</span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial",sans-serif;color:#41424E'><a href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient" target="_blank"><span style='color:#4453EA'>www.avast.com</span></a> <o:p></o:p></span></p></td></tr></table></div><p class=MsoNormal><span lang=EN-US><br><br>_______________________________________________ <br>Users mailing list <br><a href="mailto:Users@ovirt.org" target="_blank">Users@ovirt.org</a> <br><a href="http://lists.ovirt.org/mailman/listinfo/users" target="_blank">http://lists.ovirt.org/mailman/listinfo/users</a> <o:p></o:p></span></p></div></blockquote></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US><br>_______________________________________________<br>Users mailing list<br><a href="mailto:Users@ovirt.org">Users@ovirt.org</a><br><a href="http://lists.ovirt.org/mailman/listinfo/users" target="_blank">http://lists.ovirt.org/mailman/listinfo/users</a><o:p></o:p></span></p></blockquote></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></div><div id="DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br /> <table style="border-top: 1px solid #D3D4DE;">
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<td style="width: 470px; padding-top: 17px; color: #41424e; font-size: 13px; font-family: Arial, Helvetica, sans-serif; line-height: 18px;">无病毒。<a href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient" target="_blank" style="color: #4453ea;">www.avast.com</a> </td>
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