[Nut-upsdev] Liebert ESP II driver

Robert Jobbagy jobbagy.robert at gmail.com
Thu Jul 15 08:58:16 UTC 2010


I tried this :

[root at ibolya ~]# upscmd -l liebertgxt2 at localhost
Instant commands supported on UPS [liebertgxt2]:

The command list is empty. Why?



2010/7/15 Robert Jobbagy <jobbagy.robert at gmail.com>

>
>
> 2010/7/14 Arjen de Korte <nut+devel at de-korte.org<nut%2Bdevel at de-korte.org>
> >
>
> Citeren Robert Jobbagy <jobbagy.robert at gmail.com>:
>>
>>  Here are the steps that occur when a critical power event happens:
>>>
>>> 1. The UPS goes on battery
>>>
>>> 2. The UPS reaches low battery (a "critical" UPS)
>>>
>>> 3. The upsmon master notices and sets "FSD" - the "forced shutdown"
>>>   flag to tell all slave systems that it will soon power down the load.
>>>
>>>
>>> But If I use my ups with nut on Battery when UPS don't send LB event just
>>> do
>>> Output OFF and kill PC and after itself.
>>>
>>
>> I have no idea what you're trying to say here. Please explain in little
>> more detail what you're trying to ask. The 'upsmon' client will only start a
>> shutdown if it sees both the OB LB flags. In the absence of a functional
>> upsdrv_shutdown, this is all NUT will do. The liebert-esp2 driver does not
>> have either a upsdrv_shutdown and/or functional instcmd's at the time of
>> this writing. If your UPS happens to kill the power (at any time), it is
>> doing this all by itself. There is currently nothing NUT can do about that.
>> See also the previous messages in this thread.
>
>
> It's not important anymore, because battery of  other Liebert ups  is
> wrong.
> Liebert-esp2 driver works fine with my ups.
>
>>
>>
>>  I don't understand when or why called the upsdrv_shutdown function?
>>>
>>
>> This is called when you run a driver with the '-k' flag on the command
>> line (or by running 'upsdrvctl shutdown', which will do this for all
>> configured drivers). Typically this is done in the system halt script just
>> before the system powers down (see also the INSTALL file).
>
>
> Thanks your answer.
>
>
>>
>>
>>  Please someone tell me what happens if UPS works on battery and I use
>>> NUT.
>>>
>>
>> See above.
>>
>>
>> Best regards, Arjen
>> --
>> Please keep list traffic on the list
>>
>>
>> _______________________________________________
>> Nut-upsdev mailing list
>> Nut-upsdev at lists.alioth.debian.org
>> http://lists.alioth.debian.org/mailman/listinfo/nut-upsdev
>>
>
> I tested my ups with liebert-esp2 driver and use it ON Battery and if ups
> status will be LB then shutdown the PC but if power back
> then PC stay power off.
> How can I configure nut that if power back then PC start automatic ?
>
> Thanks your advice.
>
>
>
> --
> Best Regards,
>
> Robert
>



-- 
Best Regards,

Robert
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