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Subject: Re: ANSYS License Manager - core file
Author: John Swanson
Date: 1999-10-06 19:45:00

ANSYS only writes the core file when it encounters a fatal error.
John Swanson

> -----Original Message-----
> From: May, Gordon [SMTP:Gordon.May@r...]
> Sent: Tuesday, October 05, 1999 2:43 PM
> To: 'xansys@o...'
> Subject: RE: [xansys] ANSYS License Manager - core file

> From: "May, Gordon"

> The link method to /dev/null gives broadly the same behaviour as
> creating a
> zero-size core file with no write permission: both SHOULD cause an
> "instantaneous" exit from ANSYS.

> Regards,
> Gordon May
> Advanced Technologist - Stress
> Compressor Key System
> Tel.: 44041
> Fax: 44874
> e-mail: Gordon.May@r...

> > From: Dan Bohlen[SMTP:dan.bohlen@a...]
> > Sent: 05 October 1999 16:09
> > To: xansys@o...
> > Subject: Re: [xansys] ANSYS License Manager - core file

> > From: Dan Bohlen

> > I do John's method. The bit bucket option below will keep the file
> from
> > filling up the disk, but the Ansys program will still take the time
> to
> > write all the bits to the "bit-bucket". This soft link method could
> be
> > useful if Ansys ever wrote a core file without promptly dying after
> > writing it. (Like write the core file and then exit normally or be
> ready
> > for the mext interactive command...) Does that ever happen?

> > "May, Gordon" wrote:

> > > From: "May, Gordon"

> > > Another alternative is to place the line:

> > > /sys,ln -s /dev/null core

> > > in your start.ans file, which creates a link to the output "null
> device"
> > and
> > > has much the same effect.

> > > Regards,
> > > Gordon May
> > > Advanced Technologist - Stress
> > > Compressor Key System
> > > Tel.: 44041
> > > Fax: 44874
> > > e-mail: Gordon.May@r...

> > > > From: John Swanson[SMTP:John.Swanson@a...]
> > > > Sent: 03 October 1999 22:14
> > > > To: 'xansys@o...'
> > > > Subject: RE: [xansys] ANSYS License Manager

> > > > From: John Swanson

> > > > I agree that the core file is of no use. I usually put a
> core file
> > > > of zero length and read only permission in my working directory.
> > > > With read only permission the system cannot write the core file,
> > > > and so ends quickly.
> > > > John Swanson

> > > > > -----Original Message-----
> > > > > From: Dave & Kathleen Johnson [SMTP:dandkj@p...]
> > > > > Sent: Tuesday, September 28, 1999 7:02 PM
> > > > > To: xansys@o...
> > > > > Subject: Re: [xansys] ANSYS License Manager

> > > > > From: Dave & Kathleen Johnson

> > > > > Hi Tom,

> > > > > I've never hit a down side to doing this. I am untrained in
> > > > > debugging
> > > > > an ANSYS crash from reading a core dump file, so its value to
> me is
> > > > > zero. (In my understanding, the core file is a copy of what's
> in
> > the
> > > > > machine's memory at the time of the crash). Perhaps, someone
> at
> > ANSYS
> > > > > or your hardware vendor can interpret such a file, but as a
> regular
> > > > > user
> > > > > (I suspect that includes most of us), I just delete the core
> file
> > and
> > > > > start ANSYS again after a crash, and try it again !

> > > > > If you have reservations, hold off a few days to see if any
> of the
> > > > > experts shoot down my advice.

> > > > > Dave Johnson
> > > > > Penn State-Erie
> > > > > Erie, PA, USA

> > > > > Tom.Davis@f... wrote:

> > > > > > From: Tom.Davis@f...

> > > > > > Dave,

> > > > > > This sounds like a good thing to do. However, before I
> implement
> > > > > it, can
> > > > > > you tell me what the downside is?

> > > > > > Thanks.

> > > > > > TWD

> > > > > > Thomas W. Davis, P. E.
> > > > > > FSI International (http://www.fsi-intl.com/)
> > > > > > 322 Lake Hazeltine Drive
> > > > > > Mail Station 4-1035
> > > > > > Chaska, Minnesota 55318
> > > > > > PHONE 612-361-7359, FAX 612-361-7393
> > > > > > tom.davis@f...

> > > > > > From: Dave & Kathleen Johnson

> > > > > > For years, I have used the line:

> > > > > > limit coredumpsize 0

> > > > > > in my .cshrc file on Unix machines. (This resrticts the
> size
> > of
> > > > > a
> > > > > > 'core' file to 0 bytes and allows a crash finish quickly)

> > > > > > Dave Johnson
> > > > > > Penn State - Erie
> > > > > > Erie, PA, USA

> > Dan Bohlen Phone: (513) 243-4645 / Dial Comm
> [8*332-4645]
> > Stress Analyst Email: dan.bohlen@a... M/D K-105
> > GE Aircraft Engines Fax: (513) 243-4888 or 243-4886

Posts possibly associated with message #5283AuthorDateScore
5253Re: ANSYS License Manager - core fileDan Bohlen1999/10/05 
5255Re: ANSYS License Manager - core fileGordon May1999/10/05 
5283Re: ANSYS License Manager - core fileJohn Swanson1999/10/06 
5288Re: ANSYS License Manager - core fileThomas Kipf1999/10/07