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pre
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<div class=Section1>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>Version: 2.0.6-1 <o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>Insall: .deb <o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>Os: Debian 5.0.3<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>Hi,<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>I've got two backends running apache2: front1.domain.com &
front2.domain.com, set with the load balancing configuration from</span><span
lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'> </span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'><a href="http://varnish-cache.org/wiki/LoadBalancing"><span
lang=EN-US style='color:#BB0000;text-decoration:none'>http://varnish-cache.org/wiki/LoadBalancing</span></a></span><span
lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>.<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><u><span
lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>The issue is, when I shutdown apache2 of the first backend varnish
don't switch to the second and display "Error 503 Service
Unavailable", is that a normal answer from varnish?<o:p></o:p></span></u></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>Other question, <u>does varnish load balancer keep php sessions,
if yes how will I do?</u><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>Varnishlog :<o:p></o:p></span></p>
<div style='mso-element:para-border-div;border:solid #D7D7D7 1.0pt;padding:
3.0pt 3.0pt 3.0pt 3.0pt;background:#F7F7F7;margin-left:21.0pt;margin-right:
21.0pt'>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'>0 Backend_health - front1 Still healthy 4--X-RH 10 8 10 0.040008
0.039814 HTTP/1.1 200 OK<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'>0 Backend_health - front2 Still healthy 4--X-RH 10 8 10 0.066948
0.066591 HTTP/1.1 200 OK<o:p></o:p></span></p>
</div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>The S flag is missing in my log, is that an issue…<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>"4--X-S-RH" to notify that TCP socket shutdown succeeded
from</span><span lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'> </span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'><a href="http://varnish-cache.org/wiki/BackendPolling"><span
lang=EN-US style='color:#BB0000;text-decoration:none'>http://varnish-cache.org/wiki/BackendPolling</span></a></span><span
lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>Part of default.vcl<o:p></o:p></span></p>
<div style='mso-element:para-border-div;border:solid #D7D7D7 1.0pt;padding:
3.0pt 3.0pt 3.0pt 3.0pt;background:#F7F7F7;margin-left:21.0pt;margin-right:
21.0pt'>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'>backend front1 {<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'> </span><span style='font-size:10.0pt;font-family:"Courier New";
color:black'>.host = "front1.domain.com";<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>
.port = "80";<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>
</span><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'>.probe = { .url = "/";<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'>
.interval = 10s;<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'>
.timeout = 5s;<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'>
.window = 10;<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'>
.threshold = 8;<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'> }<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'>}<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'>backend front2 {<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'> .host = "front2.domain.com";<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'> </span><span style='font-size:10.0pt;font-family:"Courier New";
color:black'>.port = "80";<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>
.probe = { .url = "/";<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'>
.interval = 10s;<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'>
.timeout = 5s;<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'>
.window = 10;<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'>
.threshold = 8;<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'> }<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'>}<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'>director b1 random<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'>{<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'> { .backend = front1; .weight = 5; }<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'> { .backend = front2; .weight = 1; }<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'>}<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'>#director b1 round-robin {<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'># { .backend = front1; }<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'># { .backend = front2; }<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0cm;
margin-bottom:12.0pt;margin-left:0cm;background:#F7F7F7;border:none;padding:
0cm'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:black'>#}<o:p></o:p></span></p>
</div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>Thanks for your help...<o:p></o:p></span></p>
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