Nut upsuser - Aug 2017 - How do I configure NUT?

Hi there.
I need some advise on how to configure NUT, if it is possible to do it.
My UPS, a Compaq R3000 has three individual power segments.

I want NUT to:
When mains is interrupted.
Shut down all serves immediately.
When all servers are completely down, in sequence with time delay shut down  two
of the power segments.
When batteries is about to be depleted shut down itself and the last power
segment.

When power returns, start up the power segments in sequence.

With best regards


Tomas Larsson


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On Thu, 3 Aug 2017, Tomas Larsson wrote:
> Hi there. I need some advise on how to configure NUT, if it is possible 
> to do it. My UPS, a Compaq R3000
I thought the Compaq R3000 Line was a Series of laptops designed and built 
by Hewlett-Packard Corporation, not a UPS?
> has three individual power segments.
>
> I want NUT to:
> When mains is interrupted.
> Shut down all serves immediately.
I'm not sure of your topology, but it looks as if it would be easier to 
separate the problem into pieces.

1. The servers.  Make one of the servers the master, and all the others 
slaves.  This then becomes a well known NUT setup for master + slaves, in 
which the master begins the shutdown operation as soon as status [OB] is 
seen.  All the servers need to have upsd and upsmon running.  The server 
master does not shut down the UPS.
> When all servers are completely down, in sequence with time delay shut 
> down two of the power segments.
2. Later, based on a upssched timer, some other system "S" running
upsd
and upsmon shuts down the power segments.
> When batteries is about to be depleted shut down itself and the last 
> power segment.
3. When system "S" detects the [OB LB] status it shuts down itself and
calls for a delayed shutdown of the UPS.
> When power returns, start up the power segments in sequence.
This supposes that the power outlets of the UPS have been disconnected, 
and are reconnected when wall power returns.

Roger

On Thu, 3 Aug 2017, Roger Price wrote:
> On Thu, 3 Aug 2017, Tomas Larsson wrote:
>
>> Hi there. I need some advise on how to configure NUT, if it is possible
to
>> do it. My UPS, a Compaq R3000
>
> I thought the Compaq R3000 Line was a Series of laptops designed and built
by
> Hewlett-Packard Corporation, not a UPS?
My mistake, "R3000" can also refer to the HP UPS R3000, a 2U rackmount
design offering up to 2700 watts.  See
http://h18000.www1.hp.com/products/quickspecs/archives_Canada/10671_ca_v20/10671_ca.PDF
http://www.hp-r3000.etrk.info/HP-R3000-XR-NA-MANUAL.pdf

Roger