Re: Audacity and Gentoo

On Sat, 14 Jan 2006, Ian Rawlings wrote:
> On 2006-01-13, Nix <nix-razor-pit@xxxxxxxxxxxxx> wrote:
>
>> Don't you have a slight *noise* problem? :)
>
> Pardon? ;-)
>
> 6 of them are in a 19" rack unit in my office, the noisiest thing in
> there is an old Dell Powervault 1U DAT drive enclosure, it makes the
> most noise by far.

1U -> good cooling, but alas
1U -> noisy

(small fan syndrome...)

My next machine will probably have a 2U case as a result.

> I forgot one machine (so that's 13), an old arcade
> cabinet with a P3 800 in it with MAME on it, that's downstairs with

I've heard of people doing things like that. How hard is it to set up,
anyway?

> the machine I use for a TV connected to a 37" monitor that I got for
> £50.

I suppose arcade games don't really need high-quality displays :)

> 5 of them are laptops, so they're quite quiet, all in the office, so
> really any noise issues are in the office. I'm used to standing in
> machine rooms on customer sites with row after row of 19" racks so I'm
> used to that, can't hear it through the rest of the house.

Yeah. I'm pushing my noisiest box into the loft soon: I've had enough
of the Netra's jet-engine whine.

> I intend to replace as many of them as possible with 1U enclosures
> with dual mini-itx boards in them, that'll cut down the noise but it's

Not a good move, I think. Go for 2U and put big slow fans in (moving
just as much air but generating less noise).

> not a problem. Over half of the racket is from the Dell Powervault,
> mostly from the over-enthusiastic PSU fan, which I'll replace sometime.

Not from the sheer tininess of the fans in general? The smaller they
are the faster they spin: the faster they spin the more noise they make...

I'd really like cooling with no moving parts, but everything I've found
that works that way either involves massive banks of Peltier arrays (and
then you have to get all the heat away from *them*, which means more
fans), or liquid cooling, generally with *water*, which strikes me as
utterly bloody stupid unless you really want electrical fires, short
circuits, an algae farm and low reliability.

> Besides I can't hear anything over the wind noise from outside!

! Where on earth do you live? The top of a mountain?

>> Look out: Coda scales really, *really* badly. A gig of RAM+swap consumed
>> for each 15Gb of filesystem sort of badly.
>
> Yes, I sort of got the impression that there were better alternatives
> to Coda available now, but haven't gotten around to looking into them
> yet.

Lustre is what some of the Coda hackers wrote after they wrote
Intermezzo (and then stalled that, annoying, it looked nice but never
really went anywhere).

--
`I must caution that dipping fingers into molten lead
presents several serious dangers.' --- Jearl Walker
.

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