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Defrag...or something?

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peter tours
Defrag...or something?
on May 1, 2013 at 7:09:47 pm

I am wondering if after removing big chunks of data, for instance media files from several NLE projects from my RAID (0) if there isn't some sore of utility to run like defrag or something to beter situate the remaining date and prepare the array for more? Or is this just not a thing that's done?

Peter Tours
TnT Video Services, Inc.
Fort Lauderdale, FL

TRI EA5 1974-1977
Convergence ECS1B 1977-1979
Sony BVE 500 1979 - 1984
Datatron Vanguard 1984 - 1993
GVG VPE141 1993 - 1998
Media 100 1995 - 2006
Final Cut Pro 2005 to not too much longer
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Jon Schilling
Re: Defrag...or something?
on May 1, 2013 at 7:34:26 pm

Peter,

On a PC, defragmenting couldn't hurt. If there's another utility to do what you're asking I'm not aware of any. With Mac OS...no need http://macs.about.com/od/faq1/f/defrag.htm

Jonathan Schilling
Vertical Sales Manager
Proavio Storage by Enhance Technology Inc.
12221 Florence Ave.
Santa Fe Springs, CA 90670
Dir: 562-777-3498
Main: 562-777-3488 X106
Fax: 562-777-3499
Email: jon@proavio.com





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peter tours
Re: Defrag...or something?
on May 1, 2013 at 8:55:56 pm

Thanks!

Peter Tours
TnT Video Services, Inc.
Fort Lauderdale, FL

TRI EA5 1974-1977
Convergence ECS1B 1977-1979
Sony BVE 500 1979 - 1984
Datatron Vanguard 1984 - 1993
GVG VPE141 1993 - 1998
Media 100 1995 - 2006
Final Cut Pro 2005 to not too much longer
Adobe Creative Cloud


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Eric Hansen
Re: Defrag...or something?
on May 1, 2013 at 7:46:53 pm

I assume that you're on OS X since you list FCP in your sig.

it only really matters how full your RAID got before you started deleting files. if it never got more than 75% full, it probably didn't fragment too much. But if you filled it up, then defragging can help. If moving everything off, deleting the RAID, and then moving everything back is an option, do it. it will most likely be faster than running a defrag program and it achieves the same thing. i try to do this with my SAN RAIDs.

i would also suggest backing up first.

If you use Drive Genius, it will show you how fragmented your volume is, and if the files you have on there now have a lot of extents (pieces of the entire file). i let my RAID get pretty full, and i have one 100GB file with over 1400 extents. that tells me my RAID is pretty darn fragmented (100GB got shoehorned into 1400 different nooks and crannies). if your files only show a few extents, then your volume probably doesn't need to be defragged since the files are being written whole more or less.

e

Eric Hansen
Production Workflow Designer / Consultant / Colorist / DIT
http://www.erichansen.tv


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