[CentOS-mirror] Mirror Changes - Important

Thu Mar 31 01:01:46 UTC 2005
Lance Davis <lance at uklinux.net>

On Wed, 30 Mar 2005, Bob Pierce wrote:

> That wasn't intentional at all...
> 
> Found we had to add the following to your instructions:
> 
> rm /pub/centos/2.1
> mv /pub/caos/centos-2 /pub/centos/2.1

ah - ok - you may not have synced since I made that change earlier to the 
master mirror.

Thanks

Lance

> 
> 
> 
> -----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 6:06 PM
> To: Mailing list for CentOS mirrors.
> Subject: RE: [CentOS-mirror] Mirror Changes - Important
> 
> 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
> > 
> > 
> 
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