Joe Langenfeld
Forum Replies Created
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I have the same problem, dropped frames in FCP7 with Mountain Lion on a Mac Pro 8 core and a Macbook air, even with DV footage. Booting in Lion with same project plays perfectly, no dropped frames. Let’s hope update fixes…
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Thanks, great info, what I expected from Deskstars. As you can see, these are deskstars. I’ve always used consumer seagates with great results either single patch or in a raid, so I was not used to the performance drop in the enclosure with Hitachi.
Your point is correct, don’t expect pro results unless you are using the high end drive, the ultrastar or the XT.
I’d love to tweak in the Hitachi Feature Tool, but I can’t get the disks to mount in their dos boot program…dos? back to the drawing board.
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They are retail, from Fry’s and Microcenter. I’m trying the Hitachi DOS “Feature” tool this weekend to see if I can whack these drives into something useable. I’m surprised that no one else on this earth has put these drives into a sonnet D500P.
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The drives connected internally have similar results as the single eSata external drive dock, about 110-120 for read and write. Since the external drive dock is connected via the E4P pcie card, perhaps the problem is how the card relates to the Hitachi drive thru the port multiplier in the D500P.
Hitachi has a dos utility for this drive…I wonder if there is something in there to make them work better with the port multiplier? I wonder if I want to install dos to find out!
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Try changing your scratch disk. Worked for me!
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The best quality that I have found for a 4×3 downconvert from HDV is to output the HDV sequence back to tape, and then set the deck for 4×3 crop. This looks better than the software only solution. But I believe that only the deck has the 4×3 option… the camera may only have letterbox or squeezed.
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We decided to go back to 10.4 with a Mac Pro and E4P with Fusion 500P with 4 striped 750GB Seagates striped raid 0 in Mac Disk Utility with 128K option, because we recalled read speeds of 240 (BM speed test), With Leopard the reads were 160-180, too slow for 10 bit 1080 30P.
After installing 10.4, we loaded the Sonnet 2.1.2 driver from the website (the only driver on the site for this card), and the speeds matched that of Leopard, a disappointing 160-180 read.
We then looked for the previous driver, not available on the Sonnet web site for some reason, and found it in one of our other machines. We were not able to install it over the existing 2.1.2, so we RELOADED 10.4 and then the 2.1 driver.
The read speeds were back to 230-240, and we were able to play our 1080 material! This would indicate that the driver 2.1.2 is the problem.
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We’ve noticed slower read speeds on 10.5, down to half on some systems, making the existing HD footage too slow to play.
We are using 3 MacPro quad systems with E4P and Fusion 500P, with 3-5 750GB seagates raided 0 together. Sonnet denies that there is a problem, but we continuing to complain to their support.
An internal, 3 drive raid in a Mac Pro is fine, no difference in speed from 10.4 to 10.5.
We may have to go back to 10.4 if a solution is not near, or find another esata card, if there is one that works better.
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I’ve noticed that if you have a real time effect, like a dissolve, your sequence QT export re-imports as 1280. Removing the effect, or hard rendering the effect, and then exporting, reimport is 960…
So it’s got something to do with effects and rendering…
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HI Walter,
I am at NAB…where is the Apple event, and can I get in?