[CentOS-mirror] CentOS-mirror Digest, Vol 90, Issue 16

Fri Aug 17 16:11:59 UTC 2012
Anthony Somerset <anthony at somersettechsolutions.co.uk>

Its worth pointing out that you can also "fake" the fastest mirror by editing the timedhosts.txt file in /var/cache/yum/  just lower the number for your mirror - not always foolproof but 99% of cases it works well

Kind regards,  
Anthony Somerset 
 
Somerset Technical Solutions Ltd. 
www.somersettechsolutions.co.uk 
Registered in the UK – Company no. 07738444 
T: +44 (0) 33 0088 2751 
E: anthony at somersettechsolutions.co.uk
PGP: 0x7C892BF5


On 17 Aug 2012, at 17:00, centos-mirror-request at centos.org wrote:

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> Today's Topics:
> 
>   1. Please add me to the mirror (Dave Hansen)
>   2. Mirror logic (Seamus Ryan)
>   3. Re: Mirror logic (Karanbir Singh)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Thu, 16 Aug 2012 14:56:02 -0500
> From: "Dave Hansen" <daveh at eqcontactcenter.com>
> Subject: [CentOS-mirror] Please add me to the mirror
> To: <centos-mirror at centos.org>
> Message-ID: <000001cd7be9$2b6f6710$824e3530$@eqcontactcenter.com>
> Content-Type: text/plain; charset="us-ascii"
> 
> Hi,
> 
> 
> 
> URL for http access to our repo:
> 
> http://eq-centosrepo.hopto.org   
> 
> 
> 
> We synchronize once a day including DVD images
> 
> The server is in Chicago, IL USA 
> 
> 100 mbit connection/ 9 TB a month bandwith cap
> 
> 
> 
> Sponsoring organization:
> 
> EQContactCenter.com 
> 
> 
> 
> 
> 
> Regards,
> 
> 
> 
> Dave Hansen
> 
> Support Technician 
> EQuilibrium Contact Center Inc.
> 
> <mailto:Daveh at eqcontactcenter.com> Daveh at eqcontactcenter.com
> 
> Main:    888.708.1405 x107
> 
> 
> 
> Description: Description: Description: Description: EQ-Logo-V2-C-INC
> 
> 
> 
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> ------------------------------
> 
> Message: 2
> Date: Fri, 17 Aug 2012 05:51:11 +0000
> From: Seamus Ryan <s.ryan at uber.com.au>
> Subject: [CentOS-mirror] Mirror logic
> To: "'centos-mirror at centos.org'" <centos-mirror at centos.org>
> Message-ID:
> 	<3F1DEC33DC0C274C99B16F166A25DF751A4E1C05 at ausyd1ex1.ahq.net.au>
> Content-Type: text/plain; charset="us-ascii"
> 
> Hi there,
> 
> Is someone able to provide me with information on how fastest mirrors plugin + multiple mirrors operates? We run http://centos.mirror.uber.com.au which is located in our network. We sync every few hours so we are almost always up to date. However, even when running updates from within our network we find it is quite random as to where we are sent. Ideally we would like all of our updates to come directly from our mirror but this does not appear to be happening.
> 
> An example is shown here:
> 
> http://mirrorlist.centos.org/?ip=113.20.13.218&arch=x86_64&repo=os&release=6.2
> 
> The above IP being the actual IP of our mirror server. Similar results for almost all ranges within our network. Some of the other projects we mirror (epel for example) allow us to specify our public IP netblocks to ensure we are always sent directly to our mirror (assuming it is up to date). Can anyone provide some insight into how we can achieve best results here?
> 
> Cheers,
> Seamus
> Seamus Ryan
> Platform Engineer
> Switch 13 UBER (8237)
> Direct +61 2 6163 9312
> Mobile +61 458 858 020
> Email s.ryan at uber.com.au<mailto:s.ryan at uber.com.au>
> Web www.uber.com.au<http://www.uber.com.au/>
> [Description: Facebook]<http://www.facebook.com/UberGlobal>[Description: UberGlobal Blog]<http://www.uber.com.au/blog/>[Description: Linked In]<http://www.linkedin.com/company/1076575>[Description: Twitter]<http://twitter.com/uberglobal>
> [Description: UberGlobal Always Ahead | geek - business - enterprise : GPO Box 1515 Canberra ACT 2601. Uber House, Level 2, 92 Northbourne Ave Braddon ACT 2612.]
> 
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> ------------------------------
> 
> Message: 3
> Date: Fri, 17 Aug 2012 10:19:07 +0100
> From: Karanbir Singh <mail-lists at karan.org>
> Subject: Re: [CentOS-mirror] Mirror logic
> To: centos-mirror at centos.org
> Message-ID: <502E0C8B.3060808 at karan.org>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> On 08/17/2012 06:51 AM, Seamus Ryan wrote:
>> Is someone able to provide me with information on how fastest mirrors
>> plugin + multiple mirrors operates? We run
> 
> At the moment, there is noway to lockdown which mirror is handed out to
> which IP or AS. Its something that is on the ToDo list ( and the move to
> MirrorManager ).
> 
> At the moment, the system works by selecting the best closest mirrors to
> the IP, checked out by GeoIP lookup to the country level, and hands them
> out - they are randomised to get a good spread across all mirrors (eg.
> in the US we have over a 100 mirrors, and we want to try and get as many
> of them traffic as possible ).
> 
> Almost all mirrorlist calls should return mirrors in the country ( if we
> have some there ) and some from nearby ( geo ) countries.
> 
> FastestMirror will do a socket connect to each of those machines and
> order by speed of connection, it isnt foolproof but the results are
> usually 200% to 250% better than the unordered list.
> 
> -- 
> Karanbir Singh
> +44-207-0999389 | http://www.karan.org/ | twitter.com/kbsingh
> ICQ: 2522219    | Yahoo IM: z00dax      | Gtalk: z00dax
> GnuPG Key : http://www.karan.org/publickey.asc
> 
> 
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> End of CentOS-mirror Digest, Vol 90, Issue 16
> *********************************************

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