Can you provide a varnishlog of the request where you get the backend errors?
-- Reza Naghibi Varnish Software On Sat, May 6, 2017 at 3:45 PM, Nigel Peck <[email protected]> wrote: > > You might try Stack Overflow if you're not having any luck on this list. > There are a few folks who answer Varnish questions on there. Just tag it > "varnish" and "varnish-vcl". > > Nigel > > On 06/05/2017 14:40, Kurt Sultana wrote: > >> Ideas anyone? Any help is appreciated. >> >> Thanks >> >> On 4 May 2017 2:33 p.m., "Kurt Sultana" <[email protected] <mailto: >> [email protected]>> wrote: >> >> Hi all, >> >> I'm a bit newish to Varnish though I do have some background. I have >> a Varnish 5 instance connected to 2 backend servers (Magento 2 >> applications). >> >> I'm using the new Varnish 5 feature of loading multiple VCL files. >> My ultimate problem is during purging however I'd like to ensure >> things are set up correctly because documentation regarding multiple >> VCL files in Varnish 5 is somewhat lacking. >> >> To keep things very simple for now, I'm going to use 1 backend >> server in my example. >> >> So, I have a magento.vcl defined as follows: >> >> *vcl 4.0;* >> >> *import std;* >> * >> * >> *# The minimal Varnish version is 4.0* >> *# For SSL offloading, pass the following header in your proxy >> server or load balancer: 'X-Forwarded-Proto: https'* >> * >> * >> *backend default {* >> * .host = "127.0.0.1";* >> * .port = "8088";* >> *}* >> * >> * >> *include "/etc/varnish/common.vcl";* >> >> And a top.vcl >> >> *vcl 4.0;* >> * >> * >> *import std;* >> * >> * >> *backend default { .host = "127.0.0.1"; }* >> * >> * >> *sub vcl_recv {* >> * if (req.http.host == "magento2.dev") {* >> * return (vcl(magento_vcl));* >> * }* >> *}* >> >> Then I run >> >> *service varnish restart* >> >> *varnishadm* >> >> *vcl.load magento /etc/varnish/conf.d/magento.vc <http://magento.vc >> >l* >> >> *vcl.label magento_vcl magento* >> >> *vcl.load top /etc/varnish/top.vcl* >> >> *vcl.use top* >> >> *quit* >> >> >> When I browse to magento2.dev, I get a backend fetch error after >> some seconds. It's only when I go in magento.vcl and change the name >> of the backend and make a backend hint that it works. See below: >> >> *vcl 4.0;* >> >> *import std;* >> * >> * >> *# The minimal Varnish version is 4.0* >> *# For SSL offloading, pass the following header in your proxy >> server or load balancer: 'X-Forwarded-Proto: https'* >> * >> * >> *backend magento {* >> * .host = "127.0.0.1";* >> * .port = "8088";* >> *}* >> * >> * >> * >> sub vcl_recv { >> set req.backend_hint = magento; >> } >> * >> * >> * >> *include "/etc/varnish/common.vcl";* >> * >> * >> Why should I be specifying a backend hint? Shouldn't Varnish be >> loading a different VCL according to the host specified in top.vcl? >> Or is there something wrong? >> >> Thanks in advance, >> Kurt >> >> >> >> >> _______________________________________________ >> varnish-misc mailing list >> [email protected] >> https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc >> >> > _______________________________________________ > varnish-misc mailing list > [email protected] > https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc >
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