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[McIDAS #BYN-431727]: LDM Dying



Hi Martha,

re:
> After upgrading our LINUX OS, and rebuilding LDM(v 6.9.8)  and MCIDAS(v 
> 2009), we
> are continuing to have issues with LDM dying, sometimes after running for 
> several days.
> The ldmd.log file contains messages about xcd_run such as
> 
> Aug 10 16:30:38 noaapxcd ldmd[19192] NOTE: Starting Up (version: 6.9.8; 
> built: Aug  2 2011 11:02:02)
> Aug 10 16:30:38 noaapxcd ldmd[19192] NOTE: Using local address 0.0.0.0:388
> Aug 10 16:30:38 noaapxcd idd.cise-nsf.gov[19198] NOTE: Starting Up(6.9.8): 
> idd.cise-nsf.gov:388 20110810153038.279 TS_ENDT {{CONDUIT,  "gefs.*[09]$"}}
> Aug 10 16:30:38 noaapxcd idd.cise-nsf.gov[19198] NOTE: LDM-6 desired 
> product-class: 20110810153038.280 TS_ENDT {{CONDUIT,  "gefs.*[09]$"},{NONE,  
> "SIG=4f878bdeca16e11ad13df85e33186b0a"}}
> Aug 10 16:30:38 noaapxcd idd.cise-nsf.gov[19199] NOTE: Starting Up(6.9.8): 
> idd.cise-nsf.gov:388 20110810153038.281 TS_ENDT {{CONDUIT,  "gefs.*[18]$"}}
> Aug 10 16:30:38 noaapxcd idd.cise-nsf.gov[19199] NOTE: LDM-6 desired 
> product-class: 20110810153038.282 TS_ENDT {{CONDUIT,  "gefs.*[18]$"},{NONE,  
> "SIG=19baccd88106c04947b41440018d59cc"}}
> Aug 10 16:30:38 noaapxcd pqact[19195] NOTE: Starting Up
> Aug 10 16:30:38 noaapxcd pqact[19197] NOTE: Starting Up
> Aug 10 16:30:38 noaapxcd pqact[19195] NOTE: Starting from insertion-time 
> 2011-08-10 16:30:01.881464 UTC
> Aug 10 16:30:38 noaapxcd pqact[19197] NOTE: Starting from insertion-time 
> 2011-08-10 16:30:01.881464 UTC
> Aug 10 16:30:38 noaapxcd idd.cise-nsf.gov[19200] NOTE: Starting Up(6.9.8): 
> idd.cise-nsf.gov:388 20110810153038.282 TS_ENDT {{CONDUIT,  "gefs.*[27]$"}}
> Aug 10 16:30:38 noaapxcd pqact[19201] ERROR: Couldn't exec(xcd_run): No such 
> file or directory
> Aug 10 16:30:38 noaapxcd idd.cise-nsf.gov[19200] NOTE: LDM-6 desired 
> product-class: 20110810153038.284 TS_ENDT {{CONDUIT,  "gefs.*[27]$"},{NONE,  
> "SIG=765ae7b13cee2062123f5822e27a2ffc"}}
> Aug 10 16:30:38 noaapxcd idd.cise-nsf.gov[19203] NOTE: Starting Up(6.9.8): 
> idd.cise-nsf.gov:388 20110810153038.284 TS_ENDT {{CONDUIT,  "gefs.*[36]$"}}
> Aug 10 16:30:38 noaapxcd pqact[19202] ERROR: Couldn't exec(xcd_run): No such 
> file or directory

The operative log message is:

Aug 10 16:30:38 noaapxcd pqact[19201] ERROR: Couldn't exec(xcd_run): No such 
file or directory

re:
> However, xcd_run is present in /home/mcidas/bin, and as I say, it appears to 
> be running successfully
> for days then suddenly dies.

The instructions for running McIDAS-XCD from the LDM include copying 'xcd_run' 
from the
McIDAS bin directory to a directory in the PATH of the user running the LDM 
(typically
user 'ldm'), and then reviewing the contents of the copy of 'xcd_run' you just 
made
and adjusting anything needed in it.  Did you do this?

re:
> I would be grateful for any advise you can offer.

Is either of the following possible:

- you did copy 'xcd_run' to a directory in the PATH of the user 'ldm', but
  that directory is on an automounted filesystem that is dismounted after
  a certain amount of time?

- you did not copy 'xcd_run to a directory in the PATH of the user 'ldm'
  choosing instead to run it from a McIDAS directory, and the McIDAS
  installation is on an automounted file system that gets dismounted
  after a certain amount of time?

Cheers,

Tom
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Ticket Details
===================
Ticket ID: BYN-431727
Department: Support McIDAS
Priority: Normal
Status: Closed


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