New subject: Mirror Changes - Important

31 Mar 2005

      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
-----Original Message-----
From: centos-mirror-bounces@centos.org
[mailto:centos-mirror-bounces@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@centos.org 
[mailto:centos-mirror-bounces@centos.org] On Behalf Of Lance Davis
Sent: Wednesday, March 30, 2005 2:42 PM
To: centos-mirror@centos.org
Cc: caos-mirror@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) .

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