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...on and what we are doing wrong. By running a slave upsmon process with a debugging flag set it can be seen that the 15 minute delay occurs as a result of the upsmon's poll of the master's upsd process. Once the master has gone off line, the slave upsmon reports: polling ups: apcups at nutMaster.domain.uk get_var: apcups at nutMaster.domain.uk / status and then 'hangs'. A 15 minute delay follows before the polling process returns that the master's upsd process is not reachable. A brief examination of the NUT source code indicates that a system "write" statement...

hi: my testing server has two power supply and attach to two ups. one of the ups is connect to the server with usb. my upsmon.conf like below: # for two ups MONITOR ftups at localhost 1 monmaster nutmaster master MONITOR ftups at 10.1.1.2 1 monslave nutslave slave MINSUPPLIES 1 # for early shutdown NOTIFYFLAG ONBATT EXEC+WALL+SYSLOG NOTIFYFLAG ONLINE EXEC+WALL+SYSLOG NOTIFYCMD /usr/sbin/upssched the early shutdown script use "upsmon -c fsd" to set FSD to master ups. but when testin...

...FYFLAG statements whether I was > changing them or not.  Previously, I had a mixture of commented and > uncommented, assuming the commented ones used default values. > > $ grep -Ev "^(#|\s*$)" /etc/nut/upsmon.conf > RUN_AS_USER nut > MONITOR myups1 at localhost:3493 1 nutmaster pass master > MINSUPPLIES 1 > SHUTDOWNCMD "/sbin/shutdown --poweroff +1" > NOTIFYCMD /sbin/upssched > POLLFREQ 10 > POLLFREQALERT 5 > HOSTSYNC 15 > DEADTIME 15 > POWERDOWNFLAG /etc/nut/killpower > NOTIFYFLAG ONLINE   SYSLOG+WALL+EXEC > NOTIFYFLAG ONBATT   S...