[plug] UPS's

[Michael Hunt]

> On Mon, 6 Nov 2000, Colin Rothnie wrote:
>
> > Another thing it does that many UPS software packages
> > don't do is allow one server to be the master UPS "monitor"
> which transmits
> > a shutdown message to other machines on the same UPS when it is
> time to go
> > down.
>
> I wonder how difficult it is to spoof the "power is failing" package
> and therefore shut-down your entire network from remote...
>
> > There is generally a few seconds where if the power comes back on, the
> > UPS stays up but the server is down.
>
> Rather than shut down the server completely, why not go to single-user
> mode and remount the drives read-only? That way the disks are safe, but
> the server can keep monitoring the UPS in case the power comes back.

With RiserFS is the changing to read-only really an issue ??? (Someone with
more knowledge on this please correct me if I am wrong). It sounds like a
good idea though.

Michael Hunt
West Africa