[Nut-upsuser] Two servers with redundant supplies on two UPSs

[Tmima Pliroforikis Perifereiakis Enotitas Pierias]

Hello Ingo,

your comments were most appreciated, especially the following:

Ingo Schaefer wrote:
> You should not forget to have a redundant power supply on the network
> switch between these two servers as well or maybe a direct network cable
> connection between both servers.
>
> (I once had servers running until the ups powered off, because the
> server runnung nut master was the only one shut down correctly. The
> others lost connection to nut because one of the switches was not
> connected to the UPS)

I have a switch which takes its power from the first UPS, so the setup 
is definitely not symmetrical here.

Thanks again for your kind comments.

BR.-