Tom Matthies
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COW Coin
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DaVinci Coin
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It’s playing back without dropping any frames but the two activity lights are on almost constantly. So far, I haven’t imported the footage into FCP. I was given the clips on a drive and copied them over to one of my local drives for editing. They were captured thru a Kona3 at 1920×1080. I was told they were DVCPro HD codec but I haven’t examined the real format yet. I’ll take a closer look at them tonight and see for sure. It seems that the drives are working pretty hard for DVCPro HD clips.
Tom -
It’s set up as a RAID 0 configuration. Right now, the read & write times are very similar-around 120MB.sec.
It’s handling DVCProHD footage right now…but just barely.
This is my home editing system, but I’m going to have to invest in something a little more robust since HD has come into the picture.
Tom -
I finally found the problem and it was good old fashioned pilot error. When I RAIDED the drive pair it appears that I mirrored them rather than stripping them. This would explain the slow read/write times. I copied everything from the RAID to a spare drive and created a new stripped RAID using the two drives. When I perform the Whack test now I’m getting over 120MB/sec. from the pair.
My HD material is playing well now.
Thanks to all and sorry for the goof up.
Tom -
I just updated the drivers and firmware on the card but It had no effect on the performance.
Tom -
“Fullness” isn’t a problem in this case. I have two 500GB drives (Hitachi Server Class drives…the “good” ones)in a RAID 0 configuration. The drives are recent and the RAID is less than 25% full. Lots of space left on the platters. I regularly run Disk Warrior on all the drives. I have three other Hitachi drives (1TB) in the internal bays on the MacPro and the Aja test shows them to be only slightly faster coming in at around 85GB/sec. for an individual drive.
Firmtek’s specs show that this configuration should be much faster.
Still working on it…stand by.
Tom -
Raid 0. Two channel eSATA card with a control cable going to each drive separately. It just seems I should be getting throughput then this.
Tom -
Can you give us a little more information?
What are your sequence settings? How are you monitoring, Etc.
Tom -
Encoding for Windows Media isn’t included with Quicktime. You need third party software to make WMV files. I use Flip 4 Mac Pro. Works well for the most part.
Tom -
Under the View>External Video pull down make sure that All Frames is checked. Also make sure that your sequence settings are correct to playback through whatever card/device you are using for monitoring externally.
Tom -
Primatte, DVMatte, Ultimatte
Tom