Re: WEATHER, LDM and GDBM

On Mon, 27 Mar 2000, C. Vandersip wrote:

> Ok, looks like the problem may have been with using the newer version of
> gdbm (v1.8.0).  I've "downgraded" to v1.7.3 and so far all is well.  
> Thanks again to Tom McDermott for his input.  I'll activate this for
> Weather as soon as I'm satisfied it's stable.

Chris,

I was in meetings all day yesterday so I didn't get a chance to respond.
It was a good idea to post your question to ldm-users, actually I didn't
know the problem was with gdbm v1.8.0.  Hopefully this solved your problem
and now we have the answer in the ldm support achives for future
reference.

Robb...



> 
> Looking on the bright side of all this troubleshooting, there's nothing
> like a good "incident" to improve one's scripting skills.
> 
> Regards,
> 
> Chris
> 
> 
> On Mon, 27 Mar 2000, Tom McDermott wrote:
> 
> > On Fri, 24 Mar 2000, C. Vandersip wrote:
> > 
> > > On a Solaris 2.5 Sparc platform, after compiling ldm-5.0.8 to incorporate
> > > gdbm (v1.8.0) for use by pqsurf in creating DBFILEs for METAR products for
> > > viewing with Peter Neilley's WEATHER program (v4.9.1; see the README file
> > > in Weather source for a description of how to set this up) , I was quite
> > > happy with the results until about 15 hours later, pqsurf died with a
> > > "child terminated by signal 11" message.  I've tried increasing pqsurf
> > > queue size, erasing/recreating the queue...but even though it will start
> > > back up upon and ldm restart, I can never be sure how long it will be
> > > before it dies again.  Sometimes it's an hour, sometimes 10 hours. Always,
> > > it dies again, while ldmd itself keeps on chugging.
> > 
> > Chris,
> > 
> > We experienced the exact same problem after compiling ldm 5.0.8 with gdbm
> > 1.8.0 (on Sparc Solaris 2.6).   I followed Robb's Kambic's instructions at
> > 
> >     http://www.unidata.ucar.edu/glimpse/ldm/3185
> > 
> > and was able to get it to work.  Notice he used gdbm v. 1.7.3 rather than
> > v. 1.8.0 .  So using the earlier version seemed to resolve the problem;
> > pqsurf hasn't crashed on me since.  ( I have no idea why gdbm 1.8.0 causes
> > a problem w/ pqsurf.)  gdbm-1.7.3 should still be available at all the gnu
> > archive sites.  If you can't find it let me know and I will make it
> > available on anon ftp.
> > 
> > Tom
> > ------------------------------------------------------------------------------
> > Tom McDermott                               Email: address@hidden
> > System Administrator                        Phone: (716) 395-5718
> > Earth Sciences Dept.                        Fax: (716) 395-2416
> > SUNY College at Brockport
> > 
> > 
> > 
> 
>        ###############################################################
>        #                      Chris Vandersip                        #
>        #        Computer Research Specialist/Dept. Sysadmin          #
>        #  Rm. 024, Dept. of Meteorology, Florida State University    #
>        #          address@hidden   (850)644-2522                     #
>        ###############################################################
> 

===============================================================================
Robb Kambic                                Unidata Program Center
Software Engineer III                      Univ. Corp for Atmospheric Research
address@hidden             WWW: http://www.unidata.ucar.edu/
===============================================================================