Mailinglist Archive: opensuse (2496 mails)

[Sandy Drobic <suse-linux-e@xxxxxxxxxxxxxxxxxxxxxxx>]

Randall R Schulz wrote:
> On Monday 01 December 2008 08:25, Dave Howorth wrote:
> > Randall R Schulz wrote:
> > > If you have multiple computers, how does one get them to all
> > > initiate the desired actions when main power fails and the UPS
> > > takes over?
> > I don't know about other s/w but the apcupsd software has a networked
> > mode for this situation.
>
> So the one computer to which the UPS is connected (via USB, presumably) 
> handles the direct notifications from the UPS and then in turn notifies 
> dependent systems via the LAN? And you don't have to hack that together 
> yourself? Both the local and remote sides are supported directly by 
> apcupsd? If so, that sounds pretty good.
>
> I was thinking you could script such things, but it seems tedious, 
> clunky and more work to test than I'd care to undertake.

apcupsd has quite a few plugins for several systems ready to run. I have a
small SmartUPS 750 at home that is controlled via usb by my main linux server:

## apcupsd.conf v1.1 ##
UPSNAME SmartUPS750
UPSCABLE usb
UPSTYPE usb
DEVICE
LOCKFILE /var/lock
ONBATTERYDELAY 8
BATTERYLEVEL 5
MINUTES 2
TIMEOUT 10
ANNOY 300
ANNOYDELAY 60
NOLOGON disable
KILLDELAY 0
NETSERVER on
NISIP 0.0.0.0
NISPORT 3551
EVENTSFILE /var/log/apcupsd.events
EVENTSFILEMAX 0
#POLLTIME 10
NETTIME 10
STATTIME 1
STATFILE /var/log/apcupsd.status
LOGSTATS off
DATATIME 0

You don't even have to tell the master which clients want to receive
notifications unlike the old master/slave configuration.

The client only needs to know where the NIS master is:

## apcupsd.conf v1.1 ##
UPSCABLE ether
UPSTYPE net     
DEVICE ip.of.ser.ver:3551
POLLTIME 20
NETSERVER on
NISIP 127.0.0.1
NISPORT 3551
UPSCLASS standalone
UPSMODE disable

apcupsd even provides a plugin for my ipcop firewall.
The bigger ups of my company has a network interface that I can poll directly
from all clients.


-- 
Sandy

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