[rescue] Sun 711

[Sridhar the POWERful]

On Wed, 1 May 2002, Shawn Wallbridge wrote:

> As soon as we compress the video, the whole project goes out the
> window. We are trying to get as high of quality image as possible. It
> can not be compressed at all. We are trying to minimize filmouts
> (sending data files (10bit Cineons) down to LA, having them output to
> film (with a laser, cool!) and renting a theater to watch them at
> about $5k each time).

Why not use lossless compression?

Peace...  Sridhar

> -----Original Message-----
> From: rescue-admin at sunhelp.org [mailto:rescue-admin at sunhelp.org]On
> Behalf Of Gregory Leblanc
> Sent: Wednesday, May 01, 2002 6:27 PM
> To: rescue at sunhelp.org
> Subject: RE: [rescue] Sun 711
>
>
> On Wed, 2002-05-01 at 16:07, Shawn Wallbridge wrote:
> > Yup. x86. No choice. The software only runs under Windows.
> >
> > Basically this is going to be a video playback machine. 2048x1556
> > uncompressed tiffs x 30fps. Steady. It CAN'T drop frames or it is useless.
> > The 'plan' so far is.....
>
> I don't have any faith that x86 can do this.  :-(  I've not tried a lot
> with uncompressed video on x86.  However, given what I know about x86's
> capabilities, CPU power, and video decompression are a LOT more
> available than I/O bandwidth.  I know, this isn't at all what you're
> trying to do, but I think you're going to be a lot more likely to get
> what you stated above using some sort of compressed video than you are
> "streaming" tiffs a 30fps.
>
> But, since that's not what you asked for, I'll comment in a more useful
> fashion (if I can).
>
> >
> > Dual 1.6GHz Athlon MP's on a Tyan Tiger MPX (64/66)
> > 2GB Ram
> > 2xU160 RAID controllers
> > 16-24 36GB 15k Cheetah's
>
> These drives claim to be able to deliver 50MB/sec, though I'd think that
> assuming 40MB/sec would be a lot safer.  16-24 drives means that you'll
> almost certainly be maxing out the SCSI bus bandwidth before any drive
> can't keep up any more.
>
> > Radeon 8500 (I have no idea why ATI)
> > 24" Sony monitor
> >
> > I am just trying to find something to put the drives in. I would like to
> get
> > a couple 711's, but I need to know if they will operate at U160 or not (I
> am
> > checking docs.sun.com now).
>
> Are the 711's JBOD?  If so, and if they don't have an internal
> terminator, then you should be OK.  U160 SCSI is wide LVD at 80MHz.
>
> > I was thinking FC-AL, but then I need to find an enclosure, cards that can
> > do 150MB/s (I have no clue about FC-AL). And ensure my boss that I can get
> > it all working.
>
> I don't know that you'd be any better off with FC-AL, actually.  You'll
> want to keep your cables as short as possible, and make sure that you
> use a good quality LVD terminator, and really good quality cables.  The
> whole thought of this makes me nervous.  :-)  Ack, I know, I'm a
> pessimist here, but I can't help it, I hate x86 whenever high-bandwidth
> IO is required.
> 	Greg
>
> --
> Portland, Oregon, USA.
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>

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