Re: [BLAST_SHIFTS] 11.4.2 B shift

From: Vitaliy Ziskin (vziskin@lns.mit.edu)
Date: Wed Nov 06 2002 - 00:00:25 EST


We spent a shift collecting data with any_coinc trigger. The runs

that we took are 2343 and 2602. The just in run number is due to

Doug, who realized that the run was some reset and was overwriting previous

runs. Thus, we went to a new safe run number 2600. Each file is about 1

million events, which creates a problem with the ntuple.C. It fails to write

created ntuple to the root file. For now I limited the amount of events that

go into the ntuple. But if we need all 1 million events we need to come up

with a solution. I also changed an ntuple.C to include neutron ntuple. The

of if is "neut". I had to make a separate ntuple because if I added the neutron

stuff to the existing ntuple the string size gets too long. At some point

we need to move to the TTree solution. However, I was unable to see anything

in the neutron bars. I suspect that there is something in the tdcs, I'm just

not doing a good job extracting it.

At around 23:30pm the dblast07 crapped out. The symptoms was error message

from the trigger error while loading shared libraries: libpthread.so.1:

can not open shared object. It was also compaling about too many open files.

The whole operating systems seems to be a lot slower than usual. The medm

window also crashes. We logged out and logged back in but the problem still

persisted. Looks like it's Nick's problem now.

        VZ, RM

=====================================================================
Vitaliy Ziskin Tel: (617)253-9209
MIT 26-547 http://www.lns.mit.edu/people/vziskin/
77 Massachusetts Ave
Cambridge, Ma
02139
======================================================================
        "For long you live and high you fly
         And smiles you'll give and tears you'll cry
         And all you touch and all you see
         Is all your life will ever be"--Pink Floyd



This archive was generated by hypermail 2.1.2 : Mon Feb 24 2014 - 14:07:28 EST