[CentOS-mirror] Some IPv6 mirrors not reachable by IPv6
Karanbir Singh
mail-lists at karan.org
Sun May 6 17:30:02 EDT 2012
Hi Matt,
On 05/04/2012 11:17 PM, Matt Domsch wrote:
> can't abide. CentOS in particular has plenty of mirrors worldwide,
> far more than many projects, with plenty of competent sysadmins.
> Don't create more work for yourself to manage a (transient) list of
> mirrors that have functional IPv6.
Right, not longer term - but this was more of a stop-gap arrangement to
get something going while we wait for MM to come online, longer term we
would not want to manage something like this manually anyway.
> The MirrorManager crawler would, through using urlgrabber, try to
> establish an IPv6 connection to a mirror with an AAAA record first. I
> don't know if it would fall back to try A records if IPv6 fails, but I
> presume not. Such failing AAAA records would then cause the crawler
> to mark the mirror as not up-to-date, and automatically drop them from
> the mirrorlist until such a time their AAAA record actually works. I
> say "probably" here only because Fedora's infrastructure where this
> runs for them doesn't have IPv6 connectivity yet, so I haven't tested
> it in production use.
Does that then imply that machines which do have an AAAA will not be
used / served for A records ? ( or tested for that matter )
--
Karanbir Singh
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