[CentOS-mirror] Mirror Selections

[Wilson, Tirian]

Good Morning,
     What we have seen is that when you do a yum clean all, the next time it needs a mirror, it gets a list of mirrors and then fastestmirror picks from that list.  Unfortunately, the list that it pulls is a partial list and your local mirror may not be on it.  So while Fedora uses some logic to return local mirrors (based on AS number) the CentOS list seems to be random.  So far, I have never actually hit our mirror with a yum command even though from the logs I can see external entities hitting it all the time.  It would be nice if there was more logic in the mirror selection process, but Fedora is really the best.  For every other distribution we mirror, it is pretty much random if you will hit the local mirror.

     We initially installed our mirror to reduce internet traffic and speed up updates for our students, but with the exception of Fedora, it really hasn't helped.  Where possible, we try to direct our students to download directly from it when they need ISOs, but outside of the School of Engineering and Computational Sciences, not may people know about the mirror.


Tirian Wilson
Network Engineer for VoIP
Network Services

(434) 592-3439

LIBERTY UNIVERSITY
Training Champions for Christ since 1971

________________________________________
From: centos-mirror-bounces at centos.org [centos-mirror-bounces at centos.org] on behalf of Martynas UAB "Duomenų Centras" [martynas at aleja.lt]
Sent: Sunday, December 09, 2012 12:50
To: 'Mailing list for CentOS mirrors.'
Subject: Re: [CentOS-mirror] Mirror Selections

Hello,
 Time to time we see same  issues.
Yum clean all and then fastest mirror goes back to our mirror server.
At first i thought that there is some problems with mirror, but for epel or openvz mirror always selects our local mirror as fastest, but centos base and update repos not...


-----Original Message-----
From: centos-mirror-bounces at centos.org [mailto:centos-mirror-bounces at centos.org] On Behalf Of Mohammed Naser
Sent: Sunday, December 09, 2012 5:50 PM
To: Mailing list for CentOS mirrors.
Subject: Re: [CentOS-mirror] Mirror Selections

Just giving my 2 cents here

Did you clear the fastestmirror cache since your mirror went up?  It's possible that it just still thinks cogentco's mirror is closer.  Try yum clean all and see what happens

Regards,
Mohammed

On Sat, Dec 8, 2012 at 8:17 AM, Nic Tippelt <nic at doctor-cloud.net> wrote:
> Hello There,
>
> Just a quick question,
>
> How are mirrors selected? We have our public mirror which is at under
> 1ms away from client servers, however CentOS seems to be choosing
> CogentCO's mirror at 5ms, just curious is all!
>
> Thanks,
>
> --
> - Nic Tippelt
> Managing Director
> Doctor Cloud Pty Ltd
>
> _______________________________________________
> CentOS-mirror mailing list
> CentOS-mirror at centos.org
> http://lists.centos.org/mailman/listinfo/centos-mirror



--
Mohammed Naser — vexxhost
-----------------------------------------------------
D. 514-316-8872
D. 800-910-1726 ext. 200
E. mnaser at vexxhost.com
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