[Nut-upsuser] Synology NAS is shutting down Ubuntu servers after very brief power outage (fwd)

Todd Benivegna todd at benivegna.com
Fri Aug 14 02:01:17 BST 2020

Not much in the way of configuration…. I’m pretty sure I’ve got it correct.

Todd Benivegna // todd at benivegna.com
On Aug 13, 2020, 8:54 PM -0400, Manuel Wolfshant <wolfy at nobugconsulting.ro>, wrote:
> On August 14, 2020 3:46:05 AM GMT+03:00, Todd Benivegna <todd at benivegna.com> 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.  Anyone know what the
> > heck is going on?
> Beside the ups mngmnt software ( after Roger's analysis I refuse to call it "nut" any more) on the Synology being a POS ?
> Assuming you did configure correctly the client on the Synology, I guess that probably they reimplemented the slave part just as well as the server..
> I wonder how difficult it would be to rip off their modifications and revert to a.standard, functional nut.
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