[Nut-upsuser] Tripp-Lite OMNI750ISO

Douglas Parsons doug at parsonsemail.com
Mon Mar 25 07:08:28 UTC 2013


My NUT skills are rusty so I may need correcting, list feel free to
enlighten me.

Last I recall there are two main triggers for shutdown, LB (low battery)
from the "status" variable or a timer that begins when the "status" varible
goes from OL (on line) to OB (on battery). In your case I would think the
timer is the way to go. Now with that said I also recall that at least on
some UPS units you can adjust the LB point. If yours is one of these you
can increase the LB setting and thus give yourself more time before the
battery dies.

Like I said it has been a while since I have been in the docs so there may
be a better method but I am sure there is a solution of some type.

On Mar 25, 2013 2:34 AM, "David Vree" <david.h.vree at gmail.com> wrote:

>  Got one of these up and running with the tripplite_usb driver on Ubuntu
> Server 12.04  x64.  This particular model has product code 0x1000.
> Setup and installation was pretty standard.  The only hiccup was I had to
> create a udev rule to give the nut group access to USB devices.
> If anyone has any questions let me know.  Here's what I am got back from
> the upsc command:
> battery.charge: 100
> battery.test.status: Battery OK
> battery.voltage: 14.75
> battery.voltage.nominal: 36
> device.mfr: Tripp Lite
> device.model: UPS
> device.type: ups
> driver.name: tripplite_usb
> driver.parameter.pollinterval: 2
> driver.parameter.port: /dev/usb/hiddev0
> driver.version: 2.6.3
> driver.version.internal: 0.20
> input.voltage: 106.97
> input.voltage.nominal: 120
> output.voltage: 114.0
> ups.debug.load_banks: 0
> ups.debug.V: 31 30 36 30 58 58 0d '1060XX.'
> ups.delay.shutdown: 64
> ups.firmware: F1247.A
> ups.firmware.aux: protocol 2001
> ups.mfr: Tripp Lite
> ups.model: UPS
> ups.power.nominal: 750
> ups.productid: 0001
> ups.status: OL
> ups.vendorid: 09ae
> One question I have thought is this:  What triggers the drive to send the
> shutdown command?
> I am curious because this server draws about 600W and this model of UPS
> should only last about 10min under that load and I need 3 minutes to
> shutdown 20 guest VMs.
> Thanks,
> Dave
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