7 HD's inside a mac pro

[GideonKiers]

ok very clear indeed. problem is the system still needs to be bought, so all of this is pure speculative, i'm trying to find out which system to buy.

There is no real need to do photojpeg though, except for quality maybe .. I could also do square pixel dv pal for instance, if that would make the decision for a harddrive system easier (and less expensive ). btw: Does catalystv.4 turn the highquality tab on dv quicktimes on automagically, or do i need to save that with the quicktime ?

It's hard to say now what the content will be exactly, since i'm working on a theatre play in which the content is allways changing, with the development of the play. But i guess there would for instance be quite a lot of brightness in the images, and quite a bit of slow moving images over long timespans. Then of course when this production is over, another will be put on stage, might be very different material. So basically the content could be anything.

Has anyone here installed the atto + scsi disk option i pointed out before in a new mac pro yet ?

Thanks for all the help !

you dont have to buy an expensive system - you just need to test your files on your system - and see what happens.

photojpeg performance is very different from dv performance.

[samsc]

what do you have at the moment?

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scsi and atto seem to work fine in intel mac pro so far.
the drives are easy to fit in optical drive bay.

[GideonKiers]

At the moment we have dual 2.5 ppc late 2004 models.
http://support.apple.com/specs/power...Late_2004.html

One runs pro, the other xpress. The pro has an Atto card and a scsi drive inside, not exactly sure which model. Will have a look later today.

what do you have at the moment?

[samsc]

which scsi drive?

[GideonKiers]

Sorry, haven't been able to check. Hope to do that tomorrow. In the mean time i've had a look at the caldigit drives + cards. The S2VRDuo looks quite promising ? http://www.caldigit.com/S2VRDuo.asp

Should be able to play 4 layers of DV-PAL ? Try to keep the disc tidy to limit seek times ..

Have to send in the specs for the machines they need to buy by the end of this weekend..

which scsi drive?

[GideonKiers]

Hello,

What would be a recommended os x disk speed testing utility, preferably downloadable for free ?

thanks,

[RedLightning]

i used the one included with my Blackmagic card...

-s

[samsc]

i used the one included with my Blackmagic card...

-s

why doesnt that give you any indication of performance?

because this only reads and writes a single large file.
disc performance changes drastically depending on how many files are being read at the same time. not just on how many MB/s it can read.


It gives you no indication of how well it works with catalyst.
Catalyst reads more than one file at the time - it reads one file for each movie playing.

the way to benchmark catalyst is with catalyst - nothing else.

Catalyst is also free when used like this.

Headline decklink blackmagic data transfer rates are no use to you - unless you are capturing a single movie file and writing it to disk.