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</o:shapelayout></xml><![endif]--></head><body lang=EN-AU link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi Per<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'>Thanks for your advice. I had previously had saint mode set up as per the url.<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'>After see another users vcl on the mailing list over the weekend I have changed my vcl to <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> # if (beresp.status == 500) {<o:p></o:p></p><p class=MsoNormal> # set beresp.saintmode = 30s;<o:p></o:p></p><p class=MsoNormal> # restart;<o:p></o:p></p><p class=MsoNormal> # }<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal> if (beresp.status != 200 && beresp.status != 403 && beresp.status != 404 && beresp.status != 301 && beresp.status != 302) {<o:p></o:p></p><p class=MsoNormal> set beresp.saintmode = 30s;<o:p></o:p></p><p class=MsoNormal> restart;<o:p></o:p></p><p class=MsoNormal> }<o:p></o:p></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'>Hopefully this will help.<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'>Glen<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>
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</SPAN></TD></TR></TBODY></TABLE><br><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><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"'> Per Buer [mailto:perbu@varnish-software.com] <br><b>Sent:</b> Friday, 12 November 2010 8:49 PM<br><b>To:</b> Glen Kelly<br><b>Cc:</b> varnish-misc@varnish-cache.org<br><b>Subject:</b> Re: Vcl command restart and multiple backends<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>On Fri, Nov 12, 2010 at 12:52 AM, Glen Kelly <<a href="mailto:Glen.Kelly@fire.tas.gov.au">Glen.Kelly@fire.tas.gov.au</a>> wrote:<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'>How does varnish handle request to multiple backend when the vcl “restart” command is run.<o:p></o:p></p><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;mso-margin-bottom-alt:auto'>Does it use the same backend as the initial request or does it use another backend in accordance to the configured director.<o:p></o:p></p></div></div></blockquote><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>You should look at "Saint Mode" - <a href="http://www.varnish-cache.org/docs/trunk/tutorial/handling_misbehaving_servers.html#saint-mode">http://www.varnish-cache.org/docs/trunk/tutorial/handling_misbehaving_servers.html#saint-mode</a><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>When enabled it will blacklist failing objects from their backends.<o:p></o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><br>-- <o:p></o:p></p><div><p class=MsoNormal>Per Buer, Varnish Software<br>Phone: +47 21 98 92 61 / Mobile: +47 958 39 117 / skype: per.buer<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal>Varnish user? Take our survey: <a href="http://www.varnish-cache.org/user-survey-november-2010">http://www.varnish-cache.org/user-survey-november-2010</a> <o:p></o:p></p></div></body></html>