This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
-------- Forwarded Message -------- Subject: New Client Reply - [Support !HDQ-517625]: Assistance requested for "Gap in packet sequence" log entries from noaaportIngester Date: Wed, 24 Jun 2020 10:14:35 -0600 From: Gregory Grosshans <address@hidden> To: address@hidden New Client Reply: Assistance requested for "Gap in packet sequence" log entries from noaaportIngester Hi Tom, Sorry for the delayed response. I just updated the LDM config and restarted LDM and unfortunately see Gap errors. [ldmcp@sbn1 ~/logs]$ grep Gap *.log 8.exp.log:20200624T161033.643115Z noaaportIngester[12944] productMaker.c:pmStart:439 WARN *Gap* in packet sequence: 851048 to 851758 [skipped 709] 8.exp.log:20200624T161033.668640Z noaaportIngester[12944] productMaker.c:pmStart:439 WARN *Gap* in packet sequence: 851758 to 851781 [skipped 22] 8.exp.log:20200624T161041.293238Z noaaportIngester[12944] productMaker.c:pmStart:439 WARN *Gap* in packet sequence: 851781 to 851834 [skipped 52] 8.exp.log:20200624T161045.071009Z noaaportIngester[12944] productMaker.c:pmStart:439 WARN *Gap* in packet sequence: 851834 to 851836 [skipped 1] 8.exp.log:20200624T161047.848035Z noaaportIngester[12944] productMaker.c:pmStart:439 WARN *Gap* in packet sequence: 851836 to 852438 [skipped 601] 8.exp.log:20200624T161053.771598Z noaaportIngester[12944] productMaker.c:pmStart:439 WARN *Gap* in packet sequence: 852438 to 853528 [skipped 1089] [ldmcp@sbn1 ~/logs]$ cd [ldmcp@sbn1 ~]$ ps -ef |grep noaa root 12939 12935 5 16:10 ? 00:00:02 *noaa*portIngester -m 224.0.1.1 -n -l /home/ldmcp/logs/1.nmc.log root 12940 12935 3 16:10 ? 00:00:01 *noaa*portIngester -m 224.0.1.2 -n -l /home/ldmcp/logs/2.goes.log root 12941 12935 14 16:10 ? 00:00:05 *noaa*portIngester -m 224.0.1.3 -n -l /home/ldmcp/logs/3.nmc2.log root 12942 12935 4 16:10 ? 00:00:01 *noaa*portIngester -m 224.0.1.4 -n -l /home/ldmcp/logs/4.nopt.log root 12943 12935 4 16:10 ? 00:00:01 *noaa*portIngester -m 224.0.1.5 -n -l /home/ldmcp/logs/5.nmc3.log root 12944 12935 3 16:10 ? 00:00:01 *noaa*portIngester -m 224.0.1.8 -n -l /home/ldmcp/logs/8.exp.log root 12945 12935 5 16:10 ? 00:00:02 *noaa*portIngester -m 224.0.1.9 -n -l /home/ldmcp/logs/9.grw.log root 12946 12935 4 16:10 ? 00:00:01 *noaa*portIngester -m 224.0.1.10 -n -l /home/ldmcp/logs/10.gre.log ldmcp 13107 11940 0 16:11 pts/0 00:00:00 grep --color=auto *noaa* [ldmcp@sbn1 ~]$ [ldmcp@sbn1 ~]$ cd etc [ldmcp@sbn1 ~/etc]$ grep ^EXEC ldmd.conf |grep noaa EXEC "*noaa*portIngester -m 224.0.1.1 -n -l /home/ldmcp/logs/1.nmc.log" EXEC "*noaa*portIngester -m 224.0.1.2 -n -l /home/ldmcp/logs/2.goes.log" EXEC "*noaa*portIngester -m 224.0.1.3 -n -l /home/ldmcp/logs/3.nmc2.log" EXEC "*noaa*portIngester -m 224.0.1.4 -n -l /home/ldmcp/logs/4.nopt.log" EXEC "*noaa*portIngester -m 224.0.1.5 -n -l /home/ldmcp/logs/5.nmc3.log" EXEC "*noaa*portIngester -m 224.0.1.8 -n -l /home/ldmcp/logs/8.exp.log" EXEC "*noaa*portIngester -m 224.0.1.9 -n -l /home/ldmcp/logs/9.grw.log" EXEC "*noaa*portIngester -m 224.0.1.10 -n -l /home/ldmcp/logs/10.gre.log" [ldmcp@sbn1 ~/etc]$ Gregg address@hidden> wrote: > See my response below. > > address@hidden> wrote: > >> Hi Jay and Gregg, >> >> re: >> > sbn1 has been configured to support multicast routing: >> > >> > 224.0.1.1 0.0.0.0 255.255.255.255 UH 0 0 >> 0 em2 >> > 224.0.1.2 0.0.0.0 255.255.255.255 UH 0 0 >> 0 em2 >> > 224.0.1.3 0.0.0.0 255.255.255.255 UH 0 0 >> 0 em2 >> > 224.0.1.4 0.0.0.0 255.255.255.255 UH 0 0 >> 0 em2 >> > 224.0.1.5 0.0.0.0 255.255.255.255 UH 0 0 >> 0 em2 >> > 224.0.1.6 0.0.0.0 255.255.255.255 UH 0 0 >> 0 em2 >> > 224.0.1.7 0.0.0.0 255.255.255.255 UH 0 0 >> 0 em2 >> > 224.0.1.8 0.0.0.0 255.255.255.255 UH 0 0 >> 0 em2 >> > 224.0.1.9 0.0.0.0 255.255.255.255 UH 0 0 >> 0 em2 >> > 224.0.1.10 0.0.0.0 255.255.255.255 UH 0 0 >> 0 em2 >> >> Sounds good! >> >> Out of curiosity and "for the files", was this done by creating a >> route-em2 file in /etc/sysconfig/network-scripts and then bouncing >> the em2 interface? >> > > Yes. > >> >> Gregg: >> >> Will you be able to change the LDM configuration file setup for >> sbn1 today and let us now the results of the change? >> >> Thanks for the information! >> >> Cheers, >> >> Tom >> -- >> >> **************************************************************************** >> Unidata User Support UCAR Unidata >> Program >> (303) 497-8642 P.O. Box >> 3000 >> address@hidden Boulder, CO >> 80307 >> >> ---------------------------------------------------------------------------- >> Unidata HomePage http://www.unidata.ucar.edu >> >> **************************************************************************** >> >> >> Ticket Details >> =================== >> Ticket ID: HDQ-517625 >> Department: Support NOAAPORT >> Priority: Normal >> Status: Closed >> =================== >> NOTE: All email exchanges with Unidata User Support are recorded in the >> Unidata inquiry tracking system and then made publicly available through >> the web. If you do not want to have your interactions made available in >> this way, you must let us know in each email you send to us. >> >> >> > > -- > *Jay Liang* > *Storm Prediction Center* <http://www.spc.noaa.gov/> > *NWSSPC <https://fb.com/NWSSPC> @NWSSPC > <https://www.twitter.com/NWSSPC> NWSSPC > <https://www.youtube.com/user/NWSSPC>* > *Office: +1.405.325.2184* > -- ********************** *I'm primarily telecommuting. If you need to reach me, call my work cell 405-249-5310.* *========================================================================Email seems to be generating increasing inefficiencies in organizations. I learned from a manager a Stanford Computer Science professor no longer uses email for communication, but uses SNAIL mail, telephone calls, and person to person visits. I'm considering the same. 405-325-2462* *Storm Prediction Center* *120 David L. Boren Blvd, Suite 2330Norman, OK 73072* Ticket Details =================== Ticket ID: HDQ-517625 Department: Support NOAAPORT Priority: Normal Status: Open Link: https://andy.unidata.ucar.edu/staff/index.php?_m=tickets&_a=viewticket&ticketid=31436 Ticket Details =================== Ticket ID: HDQ-517625 Department: Support NOAAPORT Priority: Normal Status: Open =================== NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.