Error in Simulation Fds 5.1.4

[dragonit]

Hello

well i am running a 22 mesh simulation with around 11 mill cels (mesh
is balanced, algined...etc)
the same model and spec. ran good in diferant coarser mesh

i get up to 220 sec of simulation and then i get an error output:

forrtl: The handle is invalid.
forrtl: severe (38): error during write


Can any one help? with debuging?

thanks

dragonit

[Kevin]

forrtl means Fortran Run-Time Library. It appears that a problem
occurred when FDS tried to write to a file. Because this error occurs
well into the calculation, something might have happened like -- you
ran out of disk space, you lost a network connection, you had a power
surge/spike. Are you using DT_CORE and was FDS writing a "restart"
file at the time? Does the error always occur at 220 s?

[dragonit]

well I'm not sure about what exactly happened,
Network - it's not likely that the network failed it 2 servers 8 cores
each connected on a giga lan.
power spike is possible , disk space -no problem.

I am not using DT_CORE nor RESTART files .
FDS was writing a "slice" file at the time?
it has happened before , but not recently - so I will run it again
with restart files and hope for the best
:) thanks for the quick respond

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[dragonit]

hi guys

well i ran it again :( it fell at 229 sec
with the error: "severe (47): write to READONLY file" -> It was
writing a slice file (and not the same as befor)
i made restart files this time but im not sure how to use them (never
used them) nor why does it fall

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[dr_jfloyd]

This doesn't sound like an FDS error, more like something with your
file system. Does your system have security features that limit
access times to files by jobs?

[Kevin]

This may be related to a problem with Windows. On the DUMP line, add
FLUSH_FILE_BUFFERS=.FALSE. and try your case again. There is
discussion of this in the User's Guide.

[dragonit]

thanks
ill rerun it with the FLUSH_FILE_BUFFERS=.FALSE.
and will check the manual again to see if im missing something :)

[dragonit]

It works for now (360sec) thanks :)