Brent Hilgenkamp
Forum Replies Created
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Wow…. Wish I could get that performance out of mine. I’m using 8 SATA drives with a 3ware 9500S-8 PCI-X card on an old Dell server for a temporary storage location before going to LTO tape.
500MB/sec still blows the doors of my Xserve RAID connected via Fibre. Do you have a hot spare or are you using all 8 drives at a time?
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Depends on what you mean by “very slow write speeds”. I have a RAID 5 array with only 8 drives that tops out at ~40MB/sec. That’s plenty of throughput for capturing video, and I doubt your machine can render anything out faster than that, so I don’t see how that wouldn’t be adequate for video work. Just don’t go cheap on the RAID card if you want RAID 5. Software RAID controllers will crawl using RAID 5, so definitely get a hardware controller. See https://www.3ware.com/3ware_home.htm
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Daniel – do you change certain settings if you know that the content will be played on a flat screen TV? What would you change, and why?
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I would imagine you keep the data rate around 500-750 Kb/sec, not mb/sec
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Your RAID 5 write speeds depend on how fast your RAID controller is. If you are using a software RAID controller then yes, RAID 5 is painfully slow as there is no dedicated hardware for the controller to use to create the parity information. If you go RAID 5 be sure that it is a true hardware controller.
Now for read speeds. Take for example a 12 drive array. If you do RAID 10 you only have 6 spindles reading the data. If you have a RAID 5 with 12 drives you now get 11 spindles reading the data – much faster than the RAID 10. (This assumes your controller is not using the parity information for reads. This is an option on Xserve RAIDs – not sure if yours has this option or not – if it does leave it off unless you have reason to turn it on.)
As far as redundancy goes you could technically lose 6 drives in the RAID 10 and still be fine, but you can only lose 1 drive in the RAID 5.
Personally I would go with a RAID 5 due to the speed and capacity of it, but it’s really up to you to pick which is more important to you.
Also, if you do go with getting 12 1TB drives I would recommend RAID 6 if you have the option. 12 TB is kind of a magic number with RAID 5 – might wanna read this before you think about doing a 12 TB RAID 5 – https://blogs.zdnet.com/storage/?p=162
Although with RAID 6 you will essentially lose another drive for parity information, so your 12 TB is now down to 10 TB. -
Because on a busy weekend we can shoot upwards of 100 hours of footage. Capturing everything is not an option.
And yes, I realize that I need FCP to edit with FCP…… I already have the workstations.
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An EDL needs both t/c and a reel number. A live captured file doesn’t have a reel number so recapturing off tape via an EDL will be a problem.
Assigning a reel number to a clip is a non issue. It takes 3 seconds in FCP to assign a reel number, and not even having a reel number on a clip is okay if I need to recapture footage that is only on one tape. If it’s more than 1 tape I can selectively pick which clips to capture, or assign reel numbers to the clip.
Why don’t you capture as a .mov on a PC. They can do it.
What software on a PC can do this? That would probably solve all of my issues
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Assuming that your time is worth nothing, that’s true. But when you factor in the cost of your time, it may be quite a bargain to set up a MPB with FCP or at least Veescope or Scopebox.
My reason for starting this thread was to find a simple way to get the video files I captured on a PC to work with FCP. If all I would have to do is run a script to process some files or put all the clips in a batch and let it go overnight then I have only added a trivial amount of time to my workflow – not enough to justify the price of the MPB setup. Unfortunately I have not found an automated process to make my timecode work in FCP. Otherwise the workflow is fine and does not take any extra time.
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I would prefer to use a PC for the low cost mainly, plus we have a few PC laptops sitting around not doing anything. Buying a Mac, AppleCare, and FCP Studio is quite an investment compared to a $500 laptop doing what amounts to the same thing. In addition to that if a laptop gets dropped or damaged in some way a PC would be a lot cheaper and easier to replace.
Correct, the cameras are recording to tape.
One reason I need TC is for multicam shoots. I know I can set an in point for multiclips in FCP, but the TC option is much easier, faster, and pretty much fail proof as far as the syncing goes.
The second, and most important reason I need TC is so that if I need to capture one of the clips then all I have to do is put in the tape and capture.
How does the rest of the industry deal with these types of scenarios? I would imagine that quite often footage from one system needs to be finished on another. If the EDL or XML points to certain timecode locations in the clip, but the NLE cannot “see” that timecode how would one get around that?
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Here is what I’m trying to do:
Capture a live feed directly off the firewire output of a camera to a PC that is recording the file to a DV AVI (type 2).
Next I want to bring this AVI into FCP to edit.
The problem that I’m having is that the AVI clip’s timecode starts at 00:00:00;00 in FCP, but on a PC NLE the timecode remains correct (for example the clip starts at 17:04:34;12).
What I need to do is somehow have FCP recognize the correct timecode in the clip rather than just starting at 00:00:00;00