[Nut-upsuser] Apple Mac slave

Robbie van der Walle
Thu, 08 Jun 2017 13:14:55 -0000

> Yes, See the User Manual http://networkupstools.org/docs/user-manual.pdf
chapter 6.3 "Configuring automatic shutdowns for low battery events?.



> The NUT documentation is not always clear, and it looks as if the Synology
is even less clear.  You must distinguish carefully between "system
shutdown" and "(delayed) UPS shutdown".  The UPS is turned off
_after_ the system.  There is a delay between the moment the upsdrvctl shutdown
command is given and the moment the UPS shuts down.  The default is 20 seconds,
but you may have to increase this.

I have read 6.3. I don?t see the delayed shutdown here, more about low battery
events

What I notice in the upsmon.conf on the Mac which is the slave:

POWERDOWNFLAG /etc/killpower

I don?t think this is necessary?

When I start on the Mac : sudo upsmon -D

I can see:

sudo upsmon -D
Network UPS Tools upsmon 2.7.4
kill: No such process
   0.000000	UPS: ups@<ip address> (slave) (power value 1)
   0.000791	Using power down flag file /etc/killpower
   0.001240	debug level is '1'
   0.013266	Trying to connect to UPS [ups@<ip address>]
   0.014898	Logged into UPS ups@<ip address>

There is also a message:

kill: no such process. what does it mean?

Also I changed on the Mac, upsmon.conf :

SHUTDOWNCMD "/sbin/shutdown -h +0? which was before SHUTDOWNCMD
""

SHUTDOWNCMD ?? Didn?t make sense to me.

> You will need the utility programs upsrw and upscom which are part of NUT,
but they should be available in the Mac.

upsrw is available on the Mac:


upsrw -s battery.charge.low=80 -u upsmaster -s sekret UPS

I suppose I have to use -u for user? Which user? and -p  for password?
What does -s sekret UPS means? -s means variable to be changed but I don?t know
which variable this is, sekret.


Kind regards,

Rob









> On 8 Jun 2017, at 11:30, Roger Price <roger at rogerprice.org> wrote:
>
> On Wed, 7 Jun 2017, Robbie van der Walle wrote:
>
>>      Out of curiosity, when you shut down the NAS, do you run the
>>      command "upsdrvctl shutdown" ?  Do you see or hear
anything to
>>      suggest that the delayed UPS shutdown has happened?
>> I don?t know where to search to answer this. The delayed UPS shutdown
means that Synology NAS will turn off the UPS after the delay?
>
> Yes, See the User Manual http://networkupstools.org/docs/user-manual.pdf
chapter 6.3 "Configuring automatic shutdowns for low battery events".
>
>> ups.delay.shutdown Interval to wait after shutdown with delay command
(seconds).
>> Shutdown of what?  I don?t know what is means.
>
> The NUT documentation is not always clear, and it looks as if the Synology
is even less clear.  You must distinguish carefully between "system
shutdown" and "(delayed) UPS shutdown".  The UPS is turned off
_after_ the system.  There is a delay between the moment the upsdrvctl shutdown
command is given and the moment the UPS shuts down.  The default is 20 seconds,
but you may have to increase this.
>
>> The commando upsrw cannot be found on the Synology NAS?
>
> I understand from
https://tellini.info/2014/09/connecting-a-synology-diskstation-to-a-nut-server/
that the NUT configuration is hard coded into the NAS, and I suspect that the
configuration is more or less broken.
>
> You will need the utility programs upsrw and upscom which are part of NUT,
but they should be available in the Mac.
>
> Roger
> _______________________________________________
> Nut-upsuser mailing list
> Nut-upsuser at lists.alioth.debian.org
> http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/nut-upsuser

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