Need advise for video streaming server

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deatlypoutine

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Oct 15, 2014
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hi i im using:
8x WD Red 4tb each these are the hard drive im using:
http://www.newegg.ca/Product/Product.aspx?Item=N82E16822236599&cm_re=wd_red-_-22-236-599-_-Product
16gb ram
gigabyte ethernet connection (and all gigabyte though out the network)
900+ mb/s down and up internet speed
im wondering if i should use Raid 10 or Raid 6
the extra space is welcomed but does Raid 6 have a slow read performance? and if yes is it fast enough to be able to stream easily and last thing is what stripsize should i use i got: 32, 64, 128, 256, 512, 1024. its 85% video streaming and some backups

i want to be able to stream hd and even 4k if possible (its gonna be streaming files from 1-60gb (bluray))

so what do you guy advise im siding with raid 6 a bit for the extra space but performance is higher priority (must not lag and not buffer)

thanks for the feed back~
 
Solution
SuperSoph_WD
Hi again, deatlypoutine!

I'd suggest to take a look at this benchmark review of the performance of RAID 6 and RAID 10, using different controllers.
It will give you an idea of how they would perform in your system:
http://www.tomshardware.com/reviews/sas-6gb-raid-controller,3028-15.html
http://www.tomshardware.com/reviews/sas-6gb-raid-controller,3028-12.html
To be honest, I'm using RAID 1 and I still stream music and movies from my NAS without any issues. And the mirror is actually weaker than both RAID 6 and RAID 10.

Hope the review will shed some light and help you with the decision! :)
SuperSoph_WD
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SuperSoph_WD

SuperSoph_WD

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Jul 30, 2014
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Hey there, deatlypoutine!

I've encountered a lot of people who upgrade from RAID 6 to RAID 10 because of the slow performance.
So since this is your higher priority, I'd go with the RAID 10 array. It has noticeably better write performance and faster rebuild speed.
There are some cases when a RAID 10 configuration can withstand the loss of multiple drives. You know that the maximum failed disks that RAID 6 can handle at once are two. RAID 10 can handle the loss of more disks as long as they're not on both sides of the mirror sets. The rebuild speed of an array usually can have a negative impact on the overall storage performance because of the need to recalculate the parity. The performance degradation during the rebuild process is minimal with RAID 10.
In conclusion, RAID 10 does have a higher capacity cost but since you prioritize performance I guess the favors go to that configuration.
You can check this article as well: http://www.computerweekly.com/news/1357322/RAID-6-vs-RAID-10-Choosing-the-best-RAID-level-for-your-organisation

Hope that was helpful! :)
SuperSoph_WD
 
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deatlypoutine

Reputable
Oct 15, 2014
8
0
4,510
the write performance is not important what worries me is the read performance of raid 6, is it fast enough to support video of 15mbits/s? laso what stripsize should i use? 32-1024? 85% video streaming and some backup
 
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SuperSoph_WD

SuperSoph_WD

Glorious
Jul 30, 2014
6,758
3
45,960
Hi again, deatlypoutine!

I'd suggest to take a look at this benchmark review of the performance of RAID 6 and RAID 10, using different controllers.
It will give you an idea of how they would perform in your system:
http://www.tomshardware.com/reviews/sas-6gb-raid-controller,3028-15.html
http://www.tomshardware.com/reviews/sas-6gb-raid-controller,3028-12.html
To be honest, I'm using RAID 1 and I still stream music and movies from my NAS without any issues. And the mirror is actually weaker than both RAID 6 and RAID 10.

Hope the review will shed some light and help you with the decision! :)
SuperSoph_WD
 
Upvote 0 Downvote
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