[gmx-developers] cpt overwritten by empty file

[chris.neale at utoronto.ca]

It was my understanding that this had already been fixed:
http://bugzilla.gromacs.org/show_bug.cgi?id=390

Quoting David van der Spoel <spoel at xray.bmc.uu.se>:

> Hi,
>
> I found a problem with checkpoint files:
> -rw-r--r-- 1 x_davva x_davva 635264 Aug 14 04:49 mutant20.cpt
> -rw-r--r-- 1 x_davva x_davva 635264 Aug 14 04:49 mutant20_prev.cpt
> -rw-r--r-- 1 x_davva x_davva      0 Aug 14 04:49 mutant21.cpt
> -rw-r--r-- 1 x_davva x_davva      0 Aug 14 04:49 mutant21_prev.cpt
> -rw-r--r-- 1 x_davva x_davva      0 Aug 14 04:49 mutant22.cpt
> -rw-r--r-- 1 x_davva x_davva      0 Aug 14 04:49 mutant22_prev.cpt
> -rw-r--r-- 1 x_davva x_davva      0 Aug 14 04:49 mutant27.cpt
> -rw-r--r-- 1 x_davva x_davva 635264 Aug 14 04:49 mutant27_prev.cpt
>
> As you see in some cases the _prev.cpt files have been overwritten by a
> newer, empty file. This means that I have no way of continuing my
> (REMD) run from the checkpoint file (but I have trr files). Maybe we
> need a check before overwriting the _prev.cpt file?
>
> This was done with a quite recent head branch
> [neolith1:mutant/REMD] % ls -l `which mdrun`
> -rwxr-xr-x 1 x_davva x_davva 3700870 Jul  7 08:08
> /home/x_davva/software-4.5b/bin/mdrun
>
> Cheers,
> -- 
> David van der Spoel, Ph.D., Professor of Biology
> Dept. of Cell & Molec. Biol., Uppsala University.
> Box 596, 75124 Uppsala, Sweden. Phone:	+46184714205.
> spoel at xray.bmc.uu.se    http://folding.bmc.uu.se
> -- 
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