Carol, [I'm answering this question in case someone sees something similar.] The significant lines in Typhoon's LDM log file are these: 20181010T190829.535549Z ldmd[44015] NOTE ldmd.c:306:signal_handler() SIGTERM received 20181010T190829.535672Z ldmd[44015] NOTE ldmd.c:187:cleanup() Exiting 20181010T190829.537435Z ldmd[44015] NOTE ldmd.c:258:cleanup() Terminating process group They indicate that someone or something sent the top-level LDM server a SIGTERM, which caused the LDM to terminate. You later wrote: > You can ignore this ticket actually. It turns out that typhoon was > restarted at some point yesterday. Yup. Regards, Steve Emmerson Ticket Details =================== Ticket ID: EQF-977734 Department: Support LDM 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.