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PDU's discovery of outlet banks, but banks then are removed after being polled #5881
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I had numerous PDU's that were reporting the bank1, bank2, and total polling properly up until midnight on Feb 3. Since them, I can manually run a discovery and the bank1, bank2, and bank total shows up, and the poller will poll them, but after a period of time, the PDU banks are missing. Across all the PDU's/
I experience the same problem with ipoman powerbars. I discovered the sensors are removed during discovery-process for all scanned powerbars, except the last one. If i use a pattern for the hostname while running discovery.php, only the last matching hostname keeps it sensors. When i use an exact hostname, all sensors are added (probably because there's just one hostname in the list of matches).
Workaround for the problem: use discovery-wrapper.py instead of discovery.php in your cronjob. discovery-wrapper.py runs discovery.php with just one hostname at a time.