yum falls over when confronted with a transparent squid proxy.
Les Mikesell wrote:
> On Thu, 2005-10-13 at 15:30, Adam Gibson wrote:
>
>>Currently the default yum configuration references mirror.centos.org.
>>When yum looks up the IP address it finds several but it will only try
>>one and fail if that server is down or does not have the headers for
>>whatever reason.
>
>
> If yum were to retry using the alternate IP addresses, this wouldn't
> be an issue. Windows Internet Explorer manages this trick nicely, so it
> can't be that difficult...
>
>
>>If yum were to reference a mirrorlist it would skip servers that fail
>>and keep trying them all until it finds one that works or exhausts all
>>the mirrors. Centos would host a file on their web server for each
>>repository that has a list of mirror baseurls.
>
>
> If you have more than one machine behind a proxy, they will randomly
> pick servers from the mirrorlist and use different URL's, so you
> not only don't save the bandwidth by re-using the cached copy, you
> duplicate the copies in the cache. (Fedora already does it that
> way).
>
>
>>I created a test script to generate mirrorlists from the
>>mirror.centos.org DNS lookup and changed yum to reference the local
>>files that were generated as a mirrorlist= and it worked.
>
>
> Now run a bunch of machine updates through the same squid proxy
> and see what happens. How about fixing yum to understand what
> multiple A records in DNS is all about?
>
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