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How much space must I leave open on an external HD?

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Noam Osband
How much space must I leave open on an external HD?
on Jun 7, 2011 at 5:50:31 pm

I know the rule of thumb one should leave 10% of the space open on a internal HD. Is the same true for an external HD? I'm editing with a 2TB that only has 50 GB open. Is that a problem?


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David Roth Weiss
Re: How much space must I leave open on an external HD?
on Jun 7, 2011 at 5:54:10 pm

You're definitely pushing the envelope and most likely getting a mere fraction of the normal throughput of that drive, which means that your realtime performance is being limited and you're having to render much more than than you should be.

David Roth Weiss
Director/Editor/Colorist
David Weiss Productions, Inc.
Los Angeles
http://www.drwfilms.com

POST-PRODUCTION WITHOUT THE USUAL INSANITY ™


Creative COW contributing editor and a forum host of the Business & Marketing and Apple Final Cut Pro forums.


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Noam Osband
Re: How much space must I leave open on an external HD?
on Jun 7, 2011 at 5:56:02 pm

How much space do I want open? 200 GB?


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David Roth Weiss
Re: How much space must I leave open on an external HD?
on Jun 7, 2011 at 5:59:50 pm

There's no precise number Noam. 200Gb will work. Just keep in mind that you only hurt yourself when you overload drives. With the price of hard drives today there's simply no reason to skimp.

David Roth Weiss
Director/Editor/Colorist
David Weiss Productions, Inc.
Los Angeles
http://www.drwfilms.com

POST-PRODUCTION WITHOUT THE USUAL INSANITY ™


Creative COW contributing editor and a forum host of the Business & Marketing and Apple Final Cut Pro forums.


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André Engelhardt
Re: How much space must I leave open on an external HD?
on Jun 7, 2011 at 6:50:07 pm

Hi Noam,

one thing that comes into play when considering how much space should be left free is depending on how big the data chunks you dump onto the drive will be.

If you have only a lot of smaller file chunks on the HD (say up to 100MB-300MB) and you still have several GB free then the chances that a file of the same size will become fragmented is small, however if you have lots of big files on the HD and you throw on more big files then there's a very good chance they will be fragmented slowing down read/write operations.

Hope that makes sense!

André

--
Sound, Music, Film, Photo
http://www.andreengelhardt.net


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