Re: DC stuff again

From: Djamel Ouerdane (ouerdane@nbi.dk)
Date: Thu May 02 2002 - 12:19:21 EDT

  • Next message: Flemming Videbaek: "crs farm"

    Hi Christian et al,
    
    
    > The later is what happend in yopur case - AFS on rcrs0011.rcf.bnl.gov
    > had cached the BRAT libraries etc.. Hence, when the dynamic loader
    > `ld.so' asked for the file `libBratRdoModules.so.2' it got the old one
    > that was sitting in the cache.  
    > 
    > That can also happen on a regular system - but there there's a remidy
    > - just issue a `sync' command.  
    > 
    > The situation is ofcourse not improved by the fact that you're
    > executing a program on CRS and you have no direct access to those
    > machines, and so you can not login and force a `sync'. 
    > 
    > Finally, there had been an update of BRAT to the new tree, that
    > updated the minor version of BRAT, but the old installation wasn't
    > uninstalled first (as it should).  That meant that AFS thought that
    > the symbolic links `libBrat*.so.2' hadn't been changed, and hence the
    > libraries was the same - which is flambouantly wrong - and so the
    > program will crash as it depends on the new libraries.   
    > 
    > So cut an already long story short: 
    > 
    >   * AFS is at fault
    >   * A poor update of BRAT is making things harder. 
    > 
    > Solution:
    > 
    >   * AFS caches should be flushed. 
    >   * BRAT updates should be done properly. 
    > 
    
    
    If this is the solution to the problem, can someone fixe it asap?? It is 
    really important that I reduce data now. Pawel has finished some 
    calibration for T5 and we're ready to do local tracking and more.
    
    Djam
       
    



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