On Thu, 13 Aug 2020, Todd Benivegna wrote:
So I finally got a test in after I changed my RPi to the master and everything
else (including my Synology) to slaves. Before I did that though, I timed the
shutdown of my Synology since it is the slowest slave to shutdown. It took 40
seconds to shutdown, so I changed HOSTSYNC in upsmon.conf on the master
(“Proton”) to 60. I then did a test ("sudo upsmon -c fsd”). The slaves
shutdown, then eventually the master, but the Synology never powered down and
the UPS powered off which cut the power to it while it was still on.
In Synology's upsmon.conf, they have SHUTDOWNCMD "". Perhaps for correct slave
operation this should be SHUTDOWNCMD "shutdown -h +0" or maybe one of the
variants which also displays the UPS status and charge such as
SHUTDOWNCMD "logger -t upsmon.conf \"UPS status at shutdown [$( upsc <myups> ups.status )]:$(
upsc <myups> battery.charge )\" ; /sbin/shutdown -h +0"
Roger
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