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RAID block size options
Should I choose a RAID 0 block size larger than the default 32k? What size do you suggest for working in fcp6 and working with hdv and possibly ProRes Std. 8 bit, 3 cam muli-cam edit.
Two 500 GB SATA II drives in Sonnet Fusion box, Firmtek PCI-x card, capturing over fw on PowerMac dual 2.3, 3.5 GB ram.
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6 Replies
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[chris gorman] ” fcp6 and working with hdv and possibly ProRes Std. 8 bit”
From here:
https://images.apple.com/finalcutstudio/resources/white_papers/L342568A_ProRes_WP.pdf
“• 10-bit sample depth. Preserves subtle gradients of 10-bit sources (sunsets, graphics,
and the like) with no visible banding artifacts. ”As far as block size, 256k.
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Thanks for that info.and the white paper. I took a chance 256k would be best, set it up and have been capturing. I’m glad to hear that was the right choice.
FW capture works great so far.
Here’s some numbers: my striped RAID= 931GB. Capturing ProRes Std. 33 min.tape took 43 mins. Lag time started at 8% and was 12% by the completion of the capture (10 mins. lag time). File size – 27.9 GB, data rate = 14.7 MB/sec.
I’ll finish capturing tomorrow and then I’ll see how the multicam edit goes.
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Yea!!! Welcome to the 21st century.
David Roth Weiss
Director/Editor
David Weiss Productions, Inc.
Los AngelesPOST-PRODUCTION WITHOUT THE USUAL INSANITY ™
A forum host of Creative COW’s Apple Final Cut Pro, Business & Marketing, and Indie Film & Documentary forums.
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Glad you’re up and running.
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Two of the tapes for this project were previously captured as hdv. Should I just drop them into the ProRes TL for conversion, or is there any ultimate quality benefit to re-capturing those as ProRes?
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Chris,
If you’ve got the time, recapture. Not that there will be a substancial difference, but just so everything matches. If you do decide to cross-convert, use Compressor’s Advanced Format Conversion, its the best. Recapturing may be quicker, but cross-covertion in Compressor can be done in the background while you continue to edit in FCP.
David Roth Weiss
Director/Editor
David Weiss Productions, Inc.
Los AngelesPOST-PRODUCTION WITHOUT THE USUAL INSANITY ™
A forum host of Creative COW’s Apple Final Cut Pro, Business & Marketing, and Indie Film & Documentary forums.
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