The NCSU mirror (ftp.linux.ncsu.edu) has finished switching over.
ftp://ftp.linux.ncsu.edu/pub/centos rsync://ftp.linux.ncsu.edu/CentOS
We are only mirroring centos now and don't intend to pick up cAos.
Elliot
On Wed, Mar 30, 2005 at 09:42:11PM +0100, Lance Davis wrote:
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) .
Stop cron based rsync job from syncing
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)
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).
- 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.
- 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.
- 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.
- 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.
- 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
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