On Wed, 17 Mar 2010, Les Mikesell wrote:
On 3/17/2010 1:46 PM, James Antill wrote:
For RPM Fusion's mirrorlist I am also running Matt Domsch's
MirrorManager and we have two servers serving the mirrorlist. It is one
DNS name which resolves to two IPs. Yum automatically uses the correct
mirrorlist server if one of the servers is down (or if nothing answers
on port 80).
As far as I can see there is no code to do this anywhere, for either
mirrorlist or metalink yum just has a single URL and requests that
from urlgrabber (and AFAIK there's nothing in urlgrabber to try all
IPs for a given host, but maybe there is).
I don't know about urlgrabber specifically, but most browser-type things
these days will try all IPs from the list DNS returns until one succeeds. It
makes life easier - and it is much nicer when working through caching proxies
if all of the targets have the same name instead of having every host being
updated pick a randomly different mirror name and download new copies of
everything.
It's not how ping, for example works, or telnet, or anything - I can think
of.
-sv
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