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Hi Catalin,
I use the upstream cvmfs puppet module 
(https://github.com/cvmfs/puppet-cvmfs), which is using this variable 
presently.

For every cvmfs mount, it adds an entry to the CVMFS_REPOSITORIES 
variable inside /etc/cvmfs/default.local

In any case I'll remove any gridpp.ac.uk entries from this list for our 
site.

Regards,
Matt

On Thu, Jul 16, 2015 at 01:37:09PM +0000, Catalin Condurache wrote:
>Hi,
>
>The decommissioning process of the 'gridpp.ac.uk' CVMFS space is about 
>halfway, and it came to my attention the fact that sites are defining 
>the CVMFS_REPOSITORIES variable at WN level. Whilst this variable was 
>mandatory with cvmfs v2.0.X, this is not case with v2.1.Y.
>
>One current use for the variable is to monitor the repositories, so if 
>still defined, the variable has to contain existing repositories, 
>otherwise access errors are logged at Stratum-1 level. Therefore I 
>would ask site admins to remove the 'gridpp.ac.uk' repository names 
>from there, except the regional UK VO repositories (londongrid, 
>scotgrid, southgrid, northgrid)
>
>Please let me know if you need more details.
>
>Regards,
>Catalin Condurache
>RAL Tier1 CVMFS Service Manager
>
>
>
>-----Original Message-----
>From: Testbed Support for GridPP member institutes 
>[mailto:[log in to unmask]] On Behalf Of Catalin Condurache
>Sent: 16 June 2015 16:21
>To: [log in to unmask]
>Subject: please re-define VO_<voname>_SW_DIR variables
>
>Hi,
>
>Many of you are probably aware that currently identical CVMFS 
>repositories are maintained within both 'gridpp.ac.uk' and 'egi.eu' 
>domain spaces.
>
>As the plan is to continue only with the 'egi.eu', I am planing to stop 
>publishing most of the *.gridpp.ac.uk CVMFS repositories (notable 
>exceptions are the 
>{northgrid,southgrid,scotgrid,londongrid}.gridpp.ac.uk repositories), 
>and therefore I would like to ask site admins to re-define (where is 
>the case) the values for the VO_<voname>_SW_DIR environment variables 
>so they will point to the 'egi.eu' CVMFS space (and not 
>'gridpp.ac.uk').
>
>i.e. from old definition VO_MICE_SW_DIR=/cvmfs/mice.gridpp.ac.uk
>
>to the  new definiton VO_MICE_SW_DIR=/cvmfs/mice.egi.eu
>
>or from VO_CERNATSCHOOL_ORG_SW_DIR=/cvmfs/cernatschool.gridpp.ac.uk to 
>VO_CERNATSCHOOL_ORG_SW_DIR=/cvmfs/cernatschool.egi.eu
>
>Obviously, your CVMFS configurations need support for the 'egi.eu' 
>domain. If this is not the case (less likely), please install 
>cvmfs-keys-1.5-1 or better upgrade to cvmfs-2.1.20.
>
>There is no need to define new variables, but to change accordingly the 
>existing ones (i.e. for the VOs each site is supporting) and definitely 
>*do*not* change the existing definitions for 
>VO_VO_NORTHGRID_AC_UK_SW_DIR, VO_VO_SOUTHGRID_AC_UK_SW_DIR, 
>VO_VO_SCOTGRID_AC_UK_SW_DIR and VO_VO_LONDONGRID_AC_UK_SW_DIR (if any).
>
>Also because of the UK regional VO repositories (agreed to continue as 
>part of .gridpp.ac.uk), please do not remove any settings related to 
>this domain from your /etc/cvmfs/* configurations.
>
>Just to mention that I carried similar campaigns at other non-UK sites, 
>and at that time I had been in contact with SGMs from the involved VOs, 
>and they all agreed and were happy with the redefinition of VO_SW_DIR 
>variables concerning their VOs.
>
>A tentative date to stop the publishing of the old domain is 30 June 
>2015, so could you make sure you'll have all in place by then? I will 
>give a reminder during next Tuesday Ops meeting.
>
>Best regards,
>Catalin Condurache