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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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.
George, > Your last replied email was missing, it's weird. > But I think I remembered your steps: > > $ rm /usr/local/ldm/data/ldm.pq > rm: remove regular file `/usr/local/ldm/data/ldm.pq'? y > > $ pqcreate -vl- -q /usr/local/ldm/data/ldm.pq -s 500M > Creating /usr/local/ldm/data/ldm.pq, 500000000 bytes, 122070 products. > > $ pqcheck /usr/local/ldm/data/ldm.pq > Apr 15 18:05:15 pqcheck NOTE: Starting Up (15838) > Apr 15 18:05:15 pqcheck NOTE: Exiting > > And then, I execute: > > $ ldmadmin start > The product-queue is OK. > Checking pqact(1) configuration-file(s)... > etc/pqact.conf_mcidasA: syntactically correct > etc/pqact.conf_mcidasB: syntactically correct > etc/pqact.gempak_nwx: syntactically correct > etc/pqact.gempak_decoders: syntactically correct > etc/pqact.gempak_images: syntactically correct > Checking LDM configuration-file (/usr/local/ldm/etc/ldmd.conf)... > Starting the LDM server... > > It seems every thing is fine. Indeed. Looks like the problem went away upon closer inspection. This is a good example of a Heisenbug. Good luck. > Thank you very much, I'm grateful your help. > > Have a nice weekend. > > George > > Zhuo(George) Liu > Centre for Earth Observation Science (CEOS) > University of Manitoba, > Winnipeg, MB. R3T 2N2, Canada > Ph: (204) 474-9980 > Fax: (204) 272-1532 Regards, Steve Emmerson Ticket Details =================== Ticket ID: SJT-720842 Department: Support LDM Priority: Normal Status: Closed