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Deploying the new xrootd version requires to restart the new version on all glast xrootd servers, including the
redirector (glast-rdr). In addition the client admin tools in /afs/slac/g/glast/applications/xrootd/PROD have to be updated as the current version does not support authorization.

The steps would be the followingare:

1. Install new client admin tools:
   

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1. mv /afs/slac/g/glast/applications/xrootd/TEST to /afs/slac/g/glast/applications/xrootd/PROD
   The new version works with the old xrootd servers and this move doesn't cause any disruption to clients.
2. Stop xrootd on all data serverservers
3. Stop xrootd on the redirectorredirectors (glastlnx04/05)
4. activate new version on redirector redirectors and restart itthem.
5. restart xrootd on the data server with the new version

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