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Hey guys, i have an event for 2 weeks 7 hours per day of livestreaming and recording, its a sport event and the filming is with 8 cameras.
I was thinking to ditch the hardware video mixer (from Blackmagic) and use only Vmix because we need a lot of graphics and videos, so i was thinking of building a new vMix machine:
I7 6850K (6 cores, 40 lanes PCI)
Motherboard Asus X99 E-WS
32 Gb memory
VGA Nvidia 1080
256 Gb SSD for Windows system, 2x 500 Gb Raid 0 for recording, 3 Tb HDD for storage
2 Capture card: Blackmagic Decklink Quad V2 (8 in/out), blackmagic Decklink Duo V2 (4 in/out).
Power supply 1300 watt
My question is this system ok for doing mixing recording and livestreaming on up to 8 cameras (in HD 1080) as well send the output to a giant screen?
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It will certainly do the job.
But why the raid0 for recording? For the program recording, a single HDD will do fine. Raid0 makes it more risky because you have twice the risk of failure. Plus if something goes wrong, it's harder to recover from.
For multicorder recording, using a single SSD will do the job.
So for recordings, I see no reason to use RAID 0.
The PSU is overkill, 600 watts will do for that setup, 750W would be my choice. Better use the extra money for the disks and PSU to get an 8-core cpu
Use the videocard output to go to the big screen. That will have the lowest latency.
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 1 user thanked Mathijs for this useful post.
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Rank: Newbie
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Joined: 4/26/2014(UTC) Posts: 9 Location: Dubai Thanks: 2 times
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Mathijs wrote:It will certainly do the job.
But why the raid0 for recording? For the program recording, a single HDD will do fine. Raid0 makes it more risky because you have twice the risk of failure. Plus if something goes wrong, it's harder to recover from.
For multicorder recording, using a single SSD will do the job.
So for recordings, I see no reason to use RAID 0.
The PSU is overkill, 600 watts will do for that setup, 750W would be my choice. Better use the extra money for the disks and PSU to get an 8-core cpu
Use the videocard output to go to the big screen. That will have the lowest latency.
Thx a lot i will do with your advise so i will use a single SSD 500 Gb for recording, if money is not an issue do you think its better to use an 8 cores CPU or the new 6950k the 10 cores CPU ?
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@ tarek
Although the specs of such a high end machine are certainly capable of doing what you need it to do, I hope you plan to thoroughly TEST before the event and at least have a backup plan should things go awry.
To some extent, you are venturing into unchartered territory with the "latest and greatest" components, which in theory should be better than fine, but I suspect there are not a lot of users that are on that 'cutting edge' of the spectrum and so you are not likely to get a lot of feedback on performance or issues with such a system at this point in time.
With that being said, I hope you are able to proceed with your plans and keep us all posted as to your progress.
Ice
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just a thought, what about a 2nd PC for just recording via NDI from vMix's output?
I think this is the route I am going.
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More cores is always better if you want to use a lot of options vMix offers at the same time. But as always, it will get more expensive. Keep in mind if you have to record for 7 hours, 500GB might not be enough though. You can very well do the main recording onto a old fashion HDD. You only need SSD for the multicorder and replay.
Ice is right about the testing and the possibility you encounter a problem. Of course you can always email support if that happens. The vMix developers showed themselves very helpful and willing to solve problems for their users. Last time I reported a bug, I got a fix within half an hour.
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Joined: 4/26/2014(UTC) Posts: 9 Location: Dubai Thanks: 2 times
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Thx guys for the reply, i will use a 12x12 clean switch router from blackmagic and external recorder, the cameras will be on the router first, if anything happen to vMix i can keep recording and switching, this is my backup plan. vMix is giving the power to create different shots with windows example one shoot with 2 windows another shoot with 3 windows (example camera1, 4 and 6) plus i can add graphics and play videos, this is very powerful and the workflow is easy comparing to a conventional live production setup. I will assemble the system 1 week prior to the event to do full test. I will also build a flight case for the PC and other equipment plus 2 screen. somthing like this 
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NOT recommended to use RAID0, if one drive fails then you will lose all your data. I recommend RAID1 or RAID10, RAID1 quick read and normal writing, RAID10 fast read and write.
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1 user thanked desmar for this useful post.
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Mathijs wrote:It will certainly do the job.
But why the raid0 for recording? For the program recording, a single HDD will do fine. Raid0 makes it more risky because you have twice the risk of failure. Plus if something goes wrong, it's harder to recover from.
For multicorder recording, using a single SSD will do the job.
So for recordings, I see no reason to use RAID 0.
The PSU is overkill, 600 watts will do for that setup, 750W would be my choice. Better use the extra money for the disks and PSU to get an 8-core cpu
Use the videocard output to go to the big screen. That will have the lowest latency.
what is a single drive? raid 0 also, ive been running raid drives for years, proper drive/raid card never have problems, back your stuff up, you have to with a single drive also.
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thx guys for the good infos
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Quote:what is a single drive? raid 0 also, ive been running raid drives for years, proper drive/raid card never have problems, back your stuff up, you have to with a single drive also. It is not needed to use ssd's in raid0 for the multicording and replay, so why do so? If something goes wrong, it is way more easy to get data from a single drive, than from a raid0 that does not want to assemble. Making things more complicated while they do not need to be, makes no sense. With a single SSD, you can install hot-swap bays into your system and when you get back from a job, just pull the drive out and take it to your editing machine for example.
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Mathijs wrote:Quote:what is a single drive? raid 0 also, ive been running raid drives for years, proper drive/raid card never have problems, back your stuff up, you have to with a single drive also. It is not needed to use ssd's in raid0 for the multicording and replay, so why do so? If something goes wrong, it is way more easy to get data from a single drive, than from a raid0 that does not want to assemble. Making things more complicated while they do not need to be, makes no sense. With a single SSD, you can install hot-swap bays into your system and when you get back from a job, just pull the drive out and take it to your editing machine for example. Actually, a single drive isn't the same as RAID0. On a certain statistical basis it might be considered similar, but recovering data from a failed RAID0 array is very troublesome. Recovering data from a single failed drive is considerably easier. In the bad old days I used a RAID 0 array comprised of four WD VelociRaptor 10K drives. It serviced a broadcast graphics system that required 4 independent streams of uncompressed HD video+key. Massive playback throughput. I installed dozens of these while I was at Pixel Power. RAID0 is only required where issues of performance are paramount. Lose one disk, lose all your data. RAID1 seems like a good solution. Doubles playback performance, if that's of any value. SSDs are cheapish now, but their failure modes are more catastrophic.
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