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URL:
  <http://savannah.cern.ch/bugs/?89876>

                 Summary: xrdcp transfers in extreme copy mode need to have
better error recovery
                 Project: XROOTD
            Submitted by: bdouglas
            Submitted on: 2011-12-14 17:51
                Severity: 4 - Important
                Priority: 6
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
      Fixed by commit(s): 

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Details:

Hello,

I have been struggling with using xrdcp in extreme copy mode.

the system starts to transfer files but if one of the data server has a
problem. I begin to see messages like -

111214 11:20:02 1211 Xrd: CheckErrorStatus: Server [osgx3.hep.uiuc.edu:1094]
requested 26 seconds of wait. Server message is session still active 

with the request time increasing and then as such the system
wedges.

It is important that if a data server does not send data (or stops sending
data) after a timeout period it be blacklisted for the file being transfered.
 If all potential data servers are blacklisted then an error should occur. 

Thanks,

Doug B




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