[Avid-L2] Re: [FCP-L] Disk Full Error -34 when exporting a ProResHQ for QT Pro from QT Ref dnx?

Must be fully contiguous space when exporting a file. That's a problem with large files. If you don't have a large enough continuous space, you will get the out of space error, even though there is theoretically enough space. This is the reason that the common recommendations for free space in our business are so conservative (20% of total drive space). You need a lot of free space to have the big "holes" needed to reliably write large files.

The only way to know if free space fragmentation is your problem is to use a utility that will tell you this, which is pretty much anything that can defrag. You can defrag on the cheap by copying the entire drive to another drive. This packs all your files together and consolidates the free space.

Cheers,
tod

On Feb 23, 2012, at 7:01 PM, John Moore wrote:

> I have been exporting a QT ref with 4 tracks of audio from Avid Mac SNDX 4.0.5. I then open the resulting QT ref in QT Pro and export to a ProResHQ .mov with 4 discrete audio tracks. After many crashes with a disk full error after about an hour of exporting I cleared off a 325 GB drive and exported to that. Finally it worked but the resulting file is only 95GB. All the volumes I had been exporting to with the crashes had at least 135 GB free space. After finally getting a successful export to a drive with 320 GB free I had to reexport a 2nd version to the same drive which then had 138GB free. I figured since my first export was only 95 GB and the new export was only an addition of 4 seconds of black at the end I figure it should be no problem. I also made sure to leave the computer alone and not run Avid during the export but it crashed again. I then exported the new file to a empty 325GB drive and it worked and the file was 102GB. So
> why is QT Pro crashing saying disk full -34 error? Is QT Pro trying to grab a bunch of space because it doesn't know how big the file will be? I remember FCP etc... use to have a problem where during certain operations it would try to commandeer all the space on the drive and would sometimes give false errors because of this. Could I be seeing some remnant of this. Curious what others think.
>
> John Moore
>
> Barking Trout Productions
>
> Studio City, CA
>
> bigfish@pacbell.net
>
> [Non-text portions of this message have been removed]
>
>

Tod Hopkins
Hillmann & Carr Inc.
todhopkins@hillmanncarr.com

[Non-text portions of this message have been removed]

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