[CentOS-mirror] Mirror Changes - Important (fwd)

Lance Davis lance at uklinux.net
Mon Apr 18 23:05:25 UTC 2005


On Tue, 19 Apr 2005, NAIST FTP Administrator wrote:

> Dear Lance
> 
> 
> Thank you for your notify.
> 
> We are now setted up our mirror tree.
> 
> ftp://ftp.naist.jp/pub/Linux/centos/
> ftp://ftp.naist.jp/pub/Linux/caos/
> 

thanks, errm

the url we had before was nara.wide.co.jp (I think)  not naist.jp  /....

Regards
Lance

> 
> And we have supported HTTP and RSYNC.
> There are able to access via following urls:
> 
> http://ftp.naist.jp/pub/Linux/centos/
> http://ftp.naist.jp/pub/Linux/caos/
> 
> rsync://ftp.naist.jp/centos
> rsync://ftp.naist.jp/caos
> 
> 
> 
> Best Regards
> 
> 
> On Mon, 18 Apr 2005 18:06:33 +0100 (BST)
> Lance Davis <lance at uklinux.net> wrote:
> 
> > 
> > We sent out notification of changes to mirroring on 30th March and you
> > dont seem to have implemented the changes yet.
> >                                                                                                                                                              
> > Please let me know if there is a problem, or make the changes as soon as
> > possible so that we can close off the old system.
> >                                                                                                                                                              
> > Thanks
> >                                                                                                                                                              
> > Regards
> > Lance
> > 
> > 
> > -- 
> > uklinux.net - 
> > The ISP of choice for the discerning Linux user. 
> > 
> > ---------- Forwarded message ----------
> > Date: Wed, 30 Mar 2005 21:42:11 +0100 (BST)
> > From: Lance Davis <lance at uklinux.net>
> > Reply-To: Mailing list for CentOS mirrors. <centos-mirror at centos.org>
> > 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. 
> 
> 
> 
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> NARA Institute of Science and Technology
> http://www.naist.jp/
> 
> NAIST FTP server administrator
> ftp-admin at is.naist.jp
> _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
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> 

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




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