executables crash when moved

[Sev Binello <sev@bnl.gov>]

We have had a consistent problem of executables shared over NFS crashing
when new executables are released.

    Before a new executable replaces an older one with a cp,
    we mv the executable to a fallback dir and rename it.
    We have 2 renaming schemes,
    either .old, .older, .oldest or  append a date to the old executable.
   
    This used to work fine when the nfs sever was solaris,
    however since we migrated it to redhat linux WS,
    we find that the executables crash with a SIGBUS.
   
    The executables don't necessarily crash right away,
    as a matter of fact we can't intentionally reproduce the crash.
    Which leads me to believe it is cache related.

    Has anyone experienced a similar problem,
     and come up with a solution ?

Thanks
-Sev

-- 

Sev Binello
Brookhaven National Laboratory
Upton, New York
631-344-5647
sev@bnl.gov



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