Re: OT: disk playback

Date : Tue, 6 Nov 2007 15:35:54 +0000
To : XSI(at)Softimage.COM
From : "Alan Jones" <skyphyr(at)gmail.com>
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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