RE: High Availability PC Based Home Automation

["Phil Harris" <phil@xxxxxxxxxxx>]

..and Norton Ghost is my best friend!

Gets back a screwed machine in minutes. :-D

Phil

> -----Original Message-----
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf
> Of craig
> Sent: 12 February 2009 08:16
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] High Availability PC Based Home Automation
>
> > So, people who are running PC-Based Home Automation Systems - -
what
> > lengths
> > to you go to to ensure it's always available, and how do you
> implement
> > it?
>
> Ensure you use reliable 'branded' hardware with established drivers
&
> plugins.
>
> Use redundancy in the hardware, (eg raid, psu, etc) & UPS.
>
> Only install the bare minimum software and drivers required, after
> testing
> on a duplicate test system.
>
> Monitor the software and environment.
>
> > A potential client wants/needs a Very High Availability home-
> automation
> > solution (with Windows based software at the heart of it)- to the
> > extent
> > that he's considering purchasing 2 of every controller required
> (CM11,
> > RAV232+, Dupline MasterGenerator, Cbus PAC etc etc) - - and
> connecting
> > them
> > to separate servers in an active-active or active-passive
> arrangement.
> >
> > Dedicated load balancing hardware will/may be placed "in
between".
> >
> > A Windows Cluster is one possibilty.
> >
> > 2 distinct servers set up with SQL replication is another.
>
> I think you will struggle with this unless all the software, plugins,
> network protocols, etc have been designed to be cluster aware.
> Enterprise
> software used in corporates has been designed from the ground up to be
> used
> in a cluster, to allow for scalability. Im not sure 'Home' windows
> software
> has been through the same design principles.
>
> BTW - If the client wants a highly available system, I try to would
> steer
> them away from a CM11 :)
>
>
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>


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