Thread: transfer rate????

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  1. #21  
    Quote Originally Posted by laboprod View Post
    If you do not have a raid array, I do not think FireWire 800 will be faster than FireWire 400, because as Brook said, you will be limited by your computer's drive speed, nto the port. You can see that RED-DRIVE will be a raid array made from two disks...
    I think a lot of people here already have some pretty fast editing systems and drive subsystems. RAID 0, 3, 5, etc.. arrays are pretty common these days. Not to mention that many newer 3.5" desktop HDDs are rather quick compared to 2.5" mobile HDDs. Even with the 2.5" units in a RAID-0 stripe. So many possible system configs, there's no way to tell for sure what people will be dealing with. But if a system takes in data slower than a RED DRIVE puts it out, then I don't know how a person would expect to edit with that system or the slow drives.

    But either way... FW800 has a lot more head room than what the drives inside a RED DRIVE can kick out.

    I am thinking to have a raid 1 array on the set to transfert the images from the RED-DRIVE, RED-RAM or RED-FLASH. It won't be faster to write, but it will be safer than a to a single disk.
    What about RAID 0+1? Doubles the number of drives, but then you get the striped array for performance plus an identical striped array as a redundant mirror.

    I think Brooke is about right with the time you need, therefore I recommend to have two disks, or 2 32GB SATA FLASH (if you do narativ work).
    2 drives or a drive plus a well-equipped FLASH option is the way to go. The worst thing you can do is chance any down-time. Unless you're just dinking around by yourself. I ran into some downtime transfer issues when I was first settling into my P2 workflow. Makes for lots of grumpy people and in the case of the HVX lots of people who couldn't understand why there was a tape deck in the camera and I wouldn't use it.
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  2. #22  
    Quote Originally Posted by Dominic Jones View Post
    Good good, I feel much better now!
    There is a danger that a single disk goes down and loses you all of the footage on that drive. However, we have been told that the drives will be operable in two different RAID modes - 0 and 1. RAID 0 (striped, with a capacity of 320Gb or ~2.5hrs) is the least safe, whereas RAID 1 (mirrored, with a capacity of 160Gb or around 1.25hrs) is pretty safe.
    Whoa whoa whoa... where is a link to this piece of information? How are they able to sustain a minimum 27MBs write speed on a single drive? I thought the reason there were two drives in that sucker was because you *had* to stripe them in order to get sufficient bandwidth. RAID 1 can be slower than a single drive.
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  3. #23  
    Quote Originally Posted by zakaree View Post
    so AV are u suggesting i start off with the flash? how many?
    Well, not necessarily. But I don't think we'll have that answer until we see the FLASH options at NAB. I want to say that the 1.8" SATA FLASH would be the best choice, but it may not have the price or availability advantage of CF or ExpressCard for a while yet.

    I also don't want to recommend an option specifically to anyone because I don't know how you work or what you will be doing. The only recommendation I would make specifically is that you don't want to be stuck with only 1 RED DRIVE as your recording media.

    I was mentioning the possiblity of going with a FLASH module instead of a second RED DRIVE because that may present more opportunities or alternatives for you. Or maybe not...

    Damnit! I'm waffling on the subject and I don't know what else I can do. ...I voted for FLASH before I voted against it, ya know. Well, anyway, for me personally, based on what I know at this moment and if I had to buy my RED system today. I would get 2 RED DRIVEs and the CF FLASH module. There's a good chance that by NAB time, I will have changed my mind. :) If money were no concern, I would just get 4 or 5 RED RAM units and call it good.
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  4. #24  
    Quote Originally Posted by im.thatoneguy View Post
    Whoa whoa whoa... where is a link to this piece of information? How are they able to sustain a minimum 27MBs write speed on a single drive? I thought the reason there were two drives in that sucker was because you *had* to stripe them in order to get sufficient bandwidth. RAID 1 can be slower than a single drive.
    RAID 1 has been mentioned as an "option". But no one ever said you could use that config to record all the onboard modes.
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  5. #25  
    Senior Member Zakaree Sandberg's Avatar
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    hopefully by the time 1015 ships there might be something else out.. my plan.. shoot.. unload onto computer or harddrives while im shooting with the next.. then just keep that cycle going.. altough.. if the red drive shoots up to 3 hours.. ill doubt i would even shoot that much in a day on set.. unless im doing documentary type stuff...
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  6. #26  
    Senior Member Dominic Jones's Avatar
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    Quote Originally Posted by AppliedVisual View Post
    RAID 1 has been mentioned as an "option". But no one ever said you could use that config to record all the onboard modes.
    Yes, that's correct, but I'm hoping that RAID 1 mode will also allow at least 24fps (preferably 25, as I'm in PAL land!) recording @ 4K. The posts didn't say it would be able to handle it, but they didn't say it wouldn't, either...

    If you're looking for the post(s) I'd recommend searching the forum for RAID or something similar (maybe RedDrive RAID) - as I remember there have been posts regarding this from the Red team in a few threads.
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  7. #27  
    Senior Member david farland's Avatar
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    Stuart mentioned here.

    I was expecting REDDRIVE Raid 1 as a backup configuration....hope


    Cheers,
    DF



    Quote Originally Posted by Stuart English View Post
    At NAB last year, we described

    a) a camera with an internal compression scheme that maxed out at 2K.
    b) a battery pack that was internal to the camera, therefore of limited capacity
    c) a single 2.5" disk based digital magazine also internal to the camera.
    d) a small, diagonal flip out LCD unit on the camera body.
    e) a NLE based post production path that required RED codec specific NLE support.


    A year later, thanks to NAB feedback and ongoing technical discovery, we have a much higher specification system -

    a) a 4K resolution internal compression scheme.
    b) an affordable 140 Wh battery pack capable of driving the camera and multiple accessories.
    c) two digital magazines, RAID 0 and RAID 1 capable, based on hard disk or flash memory.
    d) Internal recording options based on standard off-the shelf memory such as CF, Express Card etc.
    e) a large 5.6" diagonal sunlight readable LCD unit mounting anywhere you need it and remoteable from the camera body up to 10 ft for steadyicam applications.
    f) the world's finest electronic viewfinder. And for under $3,000.
    g) REDCINE. Free pre-editorial software so any existing NLE can use content created by RED ONE.


    Bottom line - Change is good. Although our costs and hence camera package price are a bit higher than we anticipated at NAB 2006, the product value has gone WAY up! And if you take the $2,500 credit for reservation holders into account, even the pricing is pretty close to the original $17,500, but you are getting a much more capable camera that even we could have anticipated last NAB.
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  8. #28  
    Senior Member Sean Michael Johnston's Avatar
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    The fastest way to dump footage files from RED Drive to a backup drive would be a direct connection through a smart device like this: http://www.gethitch.com/about/ .
    I'm hoping someone comes up with a faster firewire 800 version of this or a hard drive enclosure that works in a similar way. Like those drives that have media card readers and lcds built in for still image backup.
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