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Carol, > The connection from amrc.ssec.wisc.edu to herbie.usap.gov was broken > again a couple of hours ago. > > ftp://amrc.ssec.wisc.edu/pub/requests/semmerson/ldmd.log.Apr19.2017.log > > Here is the current log file, and I've attached the ldm.conf for > amrc.ssec.wisc.edu According to the LDM log file on Amrc, the downstream LDM that was being fed by the the upstream LDM on Herbie died because of the following: 20170419T132019.708397Z herbie.usap.gov[54845] ERROR pq.c:5226:pq_del_oldest() no unlocked products left to delete! 20170419T132019.708458Z herbie.usap.gov[54845] ERROR DownHelp.c:220:dh_saveDataProduct() pq_insert() failed: Permission denied: 81 20170419132003.223208 EXP 000 ANT.NZCM.AWS.BIF.20170419.1320 20170419T132019.708519Z herbie.usap.gov[54845] NOTE ldmd.c:185:cleanup() Exiting Basically, this means that an incoming data-product couldn't be inserted into the product-queue on Amrc because no room for it could be made. I suspect that the product-queue on Amrc is too small -- either in the amount of data it can hold or in the number of products it can hold. Please send me the output of the following commands: pqmon ldmadmin config Regards, Steve Emmerson Ticket Details =================== Ticket ID: BQD-554715 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.