Re: OT: disk playback

["Tim Leydecker" <BauerOink(at)gmx.de>]

Oh, I had one ST...630AS go up in flames and
thick, grey smoke (nice effect, btw) yesterday.
The *nice* thing about it, new drive, full warranty
but data on it I can´t hand out...great, 70 for the bin.
Next one will be at least the NS Series (24/7 spec´d).

Personal anecdotes aside, 750 sounds fair enough,
adding a 8-12 bay 19"rack ontop would make it
still o.k. but I should have stressed I asked for homeuse,
which means I´ll better get a 2-4bay NAS Raid 1
(~1TB redundant capacity) first and find ways of bringing
down the *.exr diskspace to something less than 1,25GB/s...
(42MB/frame(at)30Hz , for 1920p25 targeted playback rate).

Or maybe I should even devote my ambitions entirely to work
instead of playing with fire at home, idealistically ignoring my vacation.
Focus shifted, 37" flatscreen sounds nice, watching TV 24/7, too...

Cheeers

tim






----- Original Message ----- 
From: "Alan Jones" <skyphyr(at)gmail.com>
To: <XSI(at)Softimage.COM>
Sent: Tuesday, November 06, 2007 4:35 PM
Subject: Re: OT: disk playback


> Hi Tim,
>
> > any news on your progress with realtime playback
> > of HD/dpx/2K sequences?
>
> Yes and no. djv_view works really nicely. Our main problem is getting
> drive speed up - unfortunately our Huge (fibre controlled raid) seems
> faulty and while it writes over 400mb/s it only reads at 120mb/s. So
> we've got to get that figured out.
>
> > Found something that works out of the box?
> If you had a fast raid hooked up (anything that can do 250mb/s or so)
> would be able to do realtime playback.
>
> > Am sitting here trying to playback a 200f *.exr
> > sequence (2K/42MB/frame from RAM) and have
> > a noticeable urge to throw something out the window...
> >
> > Any fileformat you can recommend for 16/32bit work?
>
> It's all about disk speed - so you'll need to get something very fast.
> Should be pretty easy to setup - just grab a rocketraid 2320 (this is
> an pci express 8-port sata raid controller ) and hook up a whole bunch
> of drives to it and you'll be sorted. It's not going to be "cheap" but
> it's very cheap for what it is.
>
> 188 quid 
> http://www.scan.co.uk/Products/ProductInfo.asp?WebProductID=298158
> 8 * 70 quid 
> http://www.scan.co.uk/Products/ProductInfo.asp?WebProductID=454632
>
> 748 quid gets you 4TB of fast storage - though don't use it in a
> striped configuration for anything but playback - you've got no
> redundancy for disk failure.
>
> Cheers,
>
> Alan.
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