[ale] APC UPS and linux

[Trey Sizemore]

On Sun, 31 Dec 2006 03:45:46 -0500 (GMT-05:00)
Dow_Hurst <dhurst at mindspring.com> wrote:

> Trey,
> apcupsd does have to be installed on each machine.  You will run the
> apcupsd as a server on the machine that has the UPS physically
> attached with the USB or serial cable.  Any other machines that are
> powered by the UPS will run as clients that talk over the local LAN
> to the apcupsd running as a server.  This is the network shutdown
> scenario.
> 
> Each physical UPS you have connected via serial or USB must have a
> completely separate server apcupsd installation if they all connect
> physically to the same machine.  I have a head node on a cluster that
> has two UPSes plugged in via USB.  I just modified the USB mapping to
> always identify the UPSes separately.  This lets you have more than
> one UPS controlled by a single machine running multiple apcupsd
> installations.  The install directory for apcupsd is a compile time
> directive via configure so you do have to compile from scratch to get
> this feature.
> 
> The clients are the simplest since you have a simple config file for
> them.  The apcupsd docs have examples of the config files and explain
> it all very well.  All you need for them is that they are hooked up
> via a LAN connection.  All the nodes in my cluster talk to the head
> node to find out every 60 secs if the power is okay or if they need
> to start shutting down. Best wishes, Dow
> 

Great info Dow.  Thanks a lot!

-- 
Cheers,
Trey
----
 
"I used to think I was indecisive, but now I'm not so sure."
 
Linux laptop 2.6.16.21-0.25-default i686 GNU/Linux
  9:11am  up 1 day  1:09,  6 users,  load average: 0.41, 0.34, 0.29
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