[CentOS-mirror] Mirror Changes - Important

[Lance Davis]

On Wed, 30 Mar 2005, Bob Pierce wrote:

> Our new mirror locations are as follows:
> 
> http://centos.westmancom.com/
> ftp://centos.westmancom.com/
> 
> We won't be mirroring caos for now.
> 
> Let me know if there's any questions about our setup.

Thanbks - you dont seem to have 2.1 - is that deliberate ?? or again 
something wrong at our end ??

Regards
Lance

> 
> Good day,
> Bob Pierce
> 
> -----Original Message-----
> From: centos-mirror-bounces at centos.org
> [mailto:centos-mirror-bounces at centos.org] On Behalf Of Lance Davis
> Sent: Wednesday, March 30, 2005 2:42 PM
> To: centos-mirror at centos.org
> Cc: caos-mirror at caosity.org
> Subject: [CentOS-mirror] Mirror Changes - Important
> 
> 
> 
> Due to the split of mirrors with cAos , it will be necessary for mirrors
> 
> to make some changes to the way that they mirror the CentOS tree, as 
> moving forward it will no longer be a part of the caosity tree.
> 
> Firstly mirrors need to decide whether they are mirroring CentOS or cAos
> 
> or both. They are distinct operating systems, CentOS is a rebuild of 
> Enterprise Linux , whereas cAos is an rpm based distribution in its own 
> right.
> 
> For more information see www.centos.org or caos.caosity.org
> 
> At present both trees are mirrored with a single rsync of 
> mirror.caosity.org::cAos - moving forward two rsyncs will be needed :-
> 
> mirror.caosity.org::caosity that will get the caos tree
> 
> and
> 
> msync.centos.org::CentOS that will get the CentOS tree
> 
> Please note that at present CentOS will be listed and stored within the 
> cAos tree, this should not be the case in the future - CentOS should
> never 
> be stored or listed as a part of cAos or caosity.
> 
> Mirror Changes
> --------------
> 
> In order to achieve the changes required with minimum download bandwidth
> 
> the following steps should be carried out. (Note that individual 
> circumstances may vary - if in doubt do nothing and ask) .
> 
> 1. Stop cron based rsync job from syncing
> 
> 2. Move the CentOS tree to its new location, which should be at the root
> 
>    of the publically served tree. 
> 
>    This can either be achieved with 'mv' or if you want a 2nd chance at
> it 
>    'cp -al' which will create a hardlinked copy of the tree (as long as
> it 
>    is on the same partition)
> 
>    eg with directory structure 	/pub
> 				/pub/caos
> 				/pub/caos/centos
> 
>    cp -al /pub/caos/centos /pub/
>    or
>    mv /pub/caos/centos /pub
> 
>    to end up with 		/pub/
> 				/pub/caos
> 				/pub/centos
>    (and 			/pub/caos/centos/ if using cp -al)
> 
> 3. Create a new rsync cron job to sync the CentOS tree (if required) . 
> This should be    something like :-
> 
>    rsync -aqzH --delete msync.centos.org::CentOS /pub/
> 
>    *** note the change to msync.centos.org *** mirror.centos.org is 
>    deprecated for rsync use - to allow us to use different servers for
> yum 
>    mirrors.
> 
>    please use rsync -anvzH --delete msync.centos.org::CentOS /pub/ 
>    first to test that the command will do the right thing ('n' is dry
> run 
>    and will just show what wil be transferred - which in theory should
> be very 
>    little - if it says 40 GB + then the command is wrong !!)
> 
> Note that due to the way that rsync works any updates will only be
> written 
> to this new tree and not the hardlinked tree left behind if using cp -al
> 
> above ( that can be deleted once you are happy with the new location 
> working).
> 
> 4. Create a new rsync cron job to sync the cAos tree (if required). This
> 
> should be something like :-
> 
>    rsync -aqzH --delete mirror.caosity.org::caosity /pub/
> 
>    *** note the change to ::caosity - ::cAos will still sync both trees 
>        for mirrors that havent restructured yet.
> ***
> 
>    This will also delete the CentOS tree left underneath the caos tree 
>    above.
> 
> You should now have both trees in the correct places.
> 
> 5. Please email the list to say that you have restructured your mirror
> and 
> what the new urls will be for public use. We will update the databases
> to 
> reflect these new locations.
> 
> 6. It is not necessary to mirror all of centos if you do not wish to -
> eg 
> you can choose whether to carry 2.1 , 3.3, 3.4, 4.0 - but please note in
> 
> the email any trees that you will not be carrying and we will note that
> in 
> the database.
> 
> 7. In the very near future we will be restricting access to 
> msync.centos.org to publically listed mirrors only - we have to
> establiush 
> a way for new mirrors to sync first though.
> 
> 8. We will be tracking which mirrors have/havent restructured and will 
> contact individual mirrors accordingly.
> 
>  There is now an irc channel - #centos-mirror 
> on irc.freenode.net where mirroring discussions may be held.
> 
> Lance
> 
> 

-- 
uklinux.net - 
The ISP of choice for the discerning Linux user.