[gate-users] Maximum file size exceeded problem

[Long ZHANG]

Dear Srinivasan,

There are several limits on Linux Filesystem, the one you met is defined by VFS
module, that is to say, all filesystemson your kerenl have a maximus size of 2GB.


So the solution is to update your kernel and use another filesystem. A journal
filesystem can resolve this problem (EXT2/EXT3 can't). You'd better query Linux
Journal Filesystem on GOOGLE, then you can get many good solution.

Hope this helps!

Best regards,

Long

In your mail:
>From:"Amarnath Srinivasan" <asrinivasan at hsc.wvu.edu>
>Reply-To: GATE feedback and helpline for Users <gate-users at lphe1pet1.epfl.ch>
>To: "GATE feedback and helpline for Users" <gate-users at lphe1pet1.epfl.ch>
>Subject: Re: [gate-users] Maximum file size exceeded problem
>
> 
>Hello,
>
>We were running gate on RedHat 9 . When the output ascii file
"gate_coincidence.dat" size  exceeded 2GB I got an error saying maximum file size
exceeded and the program terminated.
>Does anybody have idea on how to fix this problem.
>
>
>
>thankyou
>Amarnath Srinivasan
>Research Assistant
>Center for Advanced Imaging
>PO Box 9235
>Dept of Radiology, HSC, WVU
>Morgantown, WV 26506
>asrinivasan at hsc.wvu.edu
>  ----- Original Message ----- 
>  From: yuxuan.zhang at di.mdacc.tmc.edu 
>  To: gate-users at lphe1pet1.epfl.ch 
>  Sent: Tuesday, August 24, 2004 5:08 PM
>  Subject: [gate-users] about random coincidences 
>
>
>
>  hi all, 
>
>  In my simulation I noticed a strange result that I can not figure it out. 
>  My setup is that: using cylindricalPET system with 30 rsetors, one point 
>  source at the center. The radiation activity is very high, thus there are 
>  lots of random coincidences (accidental coincidences) in the totoal 
>  coincidences. Now I do the statistics on these random coincidences according 
>  to the sector index, then I found that the coincidences between 2 opposite
rsectors 
>  (e.g. No.0 and 15, or No.5 and 20) are much more than the coincidences between
other 
>  2 sectors ( No. 0 and 14, or No. 0 and 16 ...) Usually the difference can be
50% or 100% depend on the thickness of the detector. Is anyone else noticed that?

>  Can you have a try in your computer to find out whether this is a bug of GATE
or there 
>  is somthing wrong with my simulation? Thank you very much. 
>
>
>  Best regards, 
>
>  Yuxuan Zhang 
>
>
>  Dr. Yuxuan ZHANG 
>  Dept. Experimental Diagnostic Imaging
>  Univ. Texas, MD Anderson Cancer Center
>  1515 Holcombe Blvd, Unit 217
>  Houston, TX 77030-4095
>
>  Tel: +1-713-745-1671 
>  Fax: +1-713-745-1672
>
>
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