[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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