[Nut-upsuser] APC Back-UPS ES 650 connected to a Synology DS411slim

[Daniel Green]

I found their source code for what appears to be the previous version of
DSM (their OS), the most recent entry in the NUT Changelog is:

2012-05-31  Arnaud Quette <arnaud.quette at free.fr>

        * [r3643] NEWS, UPGRADING, configure.in, docs/website/news.txt:
          Final update for 2.6.4 release

Ah ha. Nevermind the above, I tried just running upsmon and that worked
(with settings taken from upsd.users on the NAS). Somehow I didn't realize
upsd was not required. However, I do have a follow on question. The only
entry in upsd.users on the NAS has 'upsmon master'. Can I run upsmon on my
desktop as a slave, or do I need to create another user in upsd.users on
the NAS with 'upsmon slave'?

Thanks,
Dan

On Tue, Oct 13, 2015 at 10:58 PM, Charles Lepple <clepple at gmail.com> wrote:

> [please use reply-all to include the list.]
>
> > On Oct 12, 2015, at 4:52 PM, Daniel Green <ddgreen at gmail.com> wrote:
> >
> > I recently connected my UPS to my NAS. The NAS detected the UPS, and I
> checked the "Enable network UPS server" option and added relevant IPs to
> the "Permitted DiskStation devices" option. The NAS is running DSM 5.2-5592
> Update 4, with a NUT version of SDS5-2-2015Q1branch-5579-15061.
>
> Hmm, that "NUT version" seems to be an internal Git ID for Synology, not
> an actual NUT version number. Do they post their source code publicly?
> (It's probably at least NUT 2.7.2, but it would be handy to know what other
> changes were included, in case some of our standard assumptions no longer
> hold true.)
>
> > I then attempted to connect my desktop via SNMP. My desktop is running
> Arch Linux, with a NUT version of 2.7.3. I seem to be able to connect to
> the NAS, but snmp-ups errors out with the following message:
> >
> > No matching MIB found for sysOID '.1.3.6.1.4.1.8072.3.2.10'!
> > Please report it to NUT developers, with an 'upsc' output for your
> device.
> > Going back to the classic MIB detection method.
> > No supported device detected
>
> Do you specifically need SNMP support, or can you use the NUT protocol for
> monitoring the UPS on the NAS?
>
> Hopefully, the Synology firmware also has options that correspond to the
> upsd.users file in NUT, which would allow upsmon on your desktop box to log
> in directly to the NUT upsd process on the NAS.
>
> It would be possible to extend snmp-ups to talk to the NAS, but that would
> add an extra upsd and snmp-ups driver process on your desktop, and I'm not
> sure what benefits that would have over connecting directly using the NUT
> protocol.
>
> > Using the exact same configuration options, I can successfully connect
> from Windows XP using WinNUT 2.0.0.4.
>
> WinNUT, to the best of my knowledge, only uses the NUT network protocol.
>
> --
> Charles Lepple
> clepple at gmail
>
>
>
>
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