[mythtv-users] Backend Hardware Questions

[Henk D. Schoneveld]

On 16 Jan 2015, at 19:03, Jan Ceuleers <jan.ceuleers at gmail.com> wrote:

> On 16/01/15 11:36, Henk D. Schoneveld wrote:
>> I would suggest check power-consumption first with a Kill-Watt device,
>> most PSUs are way to big and are most efficient when loaded at > 75% of
>> max capacity. HD’s don’t use that much power.
> 
> Power supplies need to be dimensioned not for average load but peak
> load. Which occurs at boot when the disks all spin up at more or less
> the same time.
> 
> So unless you have a fancy controller that spins the disks up one by one
> you need a lot of headroom on top of the system's average load after boot.
You can watch what booting needs, you’ll probably surprised how low it is. Of course you can also encode multithreaded and see how high it goes.
> 
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