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Thanks Andy, below is what we do for GridFTP and everything else. I didn't realize how serious this is I went through this thread. Put GridFTP aside, without preload, WT2, SWT2 and WISC will cease operation because Panda's XrdSiteMover depends on the preload library.

regards,
Wei Yang  |  [log in to unmask]  |  650-926-3338(O)




On Sep 21, 2011, at 9:00 PM, Andrew Hanushevsky wrote:

> Could you send me exactly how you are launching grid_ftp? I need to see how 
> you are specifying the LD_PRELOAD envar. Also, you can test that the library 
> works just fine using something like:
> 
> LD_LIBRARY_PATH=<path>
> export LD_LIBRARY_PATH
> 
> XROOTD_VMP=<server>:<port>:<patha>=<pathb>
> export XROOTD_VMP
> 
> LD_PRELOAD='libXrdPosixPreload.so'
> export LD_PRELOAD
> 
> $*
> 
> Give it a whirl with, say, ls -l (i.e. ldo ls-l) and let me know what 
> happens.
> 
> Andy
> 
> -----Original Message----- 
> From: anonymous
> Sent: Wednesday, September 21, 2011 5:00 PM
> To: Brian Bockelman ; Lukasz Janyst ; [log in to unmask] ; 
> [log in to unmask]
> Subject: [bug #86984] Xrootd 3.1.0 - preload
> 
> Follow-up Comment #10, bug #86984 (project xrootd):
> 
> I am running the plugin on:
> 
> Scientific Linux SLF release 5.5 (Lederman)
> Linux fermicloud040.fnal.gov 2.6.18-238.19.1.el5 #1 SMP Fri Jul 15 00:48:58
> EDT 2011 x86_64 x86_64 x86_64 GNU/Linux
> 
> 
>    _______________________________________________________
> 
> Reply to this item at:
> 
>  <http://savannah.cern.ch/bugs/?86984>
> 
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