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running analysis macros on GRID [message #12030] Thu, 16 June 2011 16:34 Go to previous message
Dima Melnychuk is currently offline  Dima Melnychuk
Messages: 213
Registered: April 2004
Location: National Centre for Nucle...
first-grade participant
From: *fuw.edu.pl
Hi all,

My first question is mainly to Stefano concerning running analysis macros on GRID.

For eta_c channel produced results are located in /panda/user/p/pbarprod/tdr11/output/sig/run201/
in 500 folders in each for 1000 events.

And for example in folder /2/ there is a output file
evt_pid_stt_r201_2.root

And my problem is how to manage those file names to use them as an input in my analysis macro. From the http://panda-wiki.gsi.de/cgi-bin/view/Computing/TDR11 I understood that Stefano tried to manage it producing collection. But I cannot understand by myself how it helps here. So my question is if there are exists a working example how to manage file names for analysis. Is it done in .jdl file or should it be done in .sh script which runs root macro?

I have a backup solution to run my macro locally but I would like to try to run it on GRID when data will be produced.


And another partially related technical question on which I couldn't find an answer is how to run alien on GSI machine.

I tried to install alien at GSI in my private directory but have the following error:

------------------------------------------
   ###################### Automated AliEn vobox installer ##############################
   Installing in the user specified directory: /d/panda02/dmelnych/pandagrid/alien
   Platform set as Linux: x86_64-unknown-linux-gnu
   Waiting 10 seconds. Press 'Ctrl+c' to exit the installation..........   Done
   Downloading vobox distribution.........................................   Done
   Extracting the files......................................................................................................
.............................................................................................................................
.............................................................................................................................
.............................................................................................................................
....   Done
/d/panda02/dmelnych/pandagrid/alien.v2-18.85/bin/perl: /lib/libc.so.6: version `GLIBC_2.4' not found (required by /d/panda02/
dmelnych/pandagrid/alien.v2-18.85/bin/perl)

------------------------------------------


But I assume that there is already alien installation at GSI and I should only properly set a path, since by default another application "alien" from /usr/bin/alien is running. Anybody have a solution how to do it?
 
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