Commands provided

• For listing the tags published by your VO:
  
  lcg-ManageVOTag -host $<$HOST$>$ -vo $<$VO$>$ -list
  
  This will return all tags published by the VO in a comma separated list to std out.
• For adding a tag:
  
  lcg-ManageVOTag -host $<$HOST$>$ -vo $<$VO$>$
  -add -tag $<$TAG$>$[-tag $<$TAG$>$ ...
  
  In case of a successful operation the following string will be returned to std out:
  lcg-ManageVOTag: $<$TAG$>$ [$<$TAG$>$...] submitted for addition by $<$VO$>$ to GlueHostApplicationSoftwareRunTimeEnvironment
• For removing a tag:
  
  lcg-ManageVOTag -host $<$HOST$>$ -vo $<$VO$>$
  -remove -tag $<$TAG$>$ [-tag $<$TAG$>$ ...]
  
  In case of a successful operation the following string will be returned to std out:
  lcg-ManageVOTag: $<$TAG$>$ [$<$TAG$>$...] removed by $<$VO$>$ to GlueHostApplicationSoftwareRunTimeEnvironment
  

The ESMs are advised to do keep track of the published tags on the various CEs and to add them to a CE if requested. The site managers are expected to do their best to keep backups of the files containing the tags. However due to the fact that the ESMs can at any time add and remove tags there is no easy way to ensure that the correct state has been saved and at a re-installation information might get lost.