<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"><meta name="Generator" content="Microsoft Word 14 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
        {font-family:"Cambria Math";
        panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
        {font-family:Calibri;
        panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
        {font-family:Tahoma;
        panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0cm;
        margin-bottom:.0001pt;
        font-size:11.0pt;
        font-family:"Calibri","sans-serif";}
a:link, span.MsoHyperlink
        {mso-style-priority:99;
        color:blue;
        text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
        {mso-style-priority:99;
        color:purple;
        text-decoration:underline;}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
        {mso-style-priority:99;
        mso-style-link:"Markeringsbobletekst Tegn";
        margin:0cm;
        margin-bottom:.0001pt;
        font-size:8.0pt;
        font-family:"Tahoma","sans-serif";}
span.EmailStyle17
        {mso-style-type:personal-compose;
        font-family:"Calibri","sans-serif";
        color:windowtext;}
span.MarkeringsbobletekstTegn
        {mso-style-name:"Markeringsbobletekst Tegn";
        mso-style-priority:99;
        mso-style-link:Markeringsbobletekst;
        font-family:"Tahoma","sans-serif";}
.MsoChpDefault
        {mso-style-type:export-only;
        font-family:"Calibri","sans-serif";}
@page WordSection1
        {size:612.0pt 792.0pt;
        margin:3.0cm 2.0cm 3.0cm 2.0cm;}
div.WordSection1
        {page:WordSection1;}
--></style></head><body lang="EN-US" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal">We have a website where the backend sometimes do not behave.</p><p class="MsoNormal"> </p><p class="MsoNormal">
I do know that varnish do have a cached version of e.g. the frontpage.</p><p class="MsoNormal"> </p><p class="MsoNormal">How do I make sure that varnish just serve that cached version no matter what - instead of throwing 503 guro?</p>
<p class="MsoNormal"> </p><p class="MsoNormal">Sometimes the backend times out or varnish cannot establish a connection to the backend.<span style="color:#1f497d"></span></p><p class="MsoNormal"> </p><p class="MsoNormal">
I don’t use the probe because in most cases the probe thinks that the backend is ok – but stil serves 503 goros.</p></div></body></html>