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RAID 6 Best?

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Thomas Morter-Laing
RAID 6 Best?
on Mar 7, 2011 at 10:35:06 am

Im working at a company at the moment who uses an 8TB NAS RAID. It is RAID 6. (We are a video editing company). The data on the RAID is very important, which is why I think they originally went with RAID (for the parity striping etc). However, will this slow everything down> Just reading up about RAID 6 and it apparently doesn't offer that many advantages, but DOES slow the system down a fair bit because if the amount of algorithms RAID6 needs. What would you guys suggest is the best for an 8TB (8 HDDs) RAID for video editing?
Thanks!

:D
Tom Morter-Laing
Freelance Editor
Certified Apple Product Proffessional, 2010
http://www.depictproductions.co.uk

Sony Z5, with Rode NTG2.
iMac 27" intel i7 2.93GHz, 12GB RAM, ATI HD5750 [1GB GDDR5], 2TB Int. SATA with 2TB External HDD; (FW800), with Elgato Turbo H264HD.





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Jon Schilling
Re: RAID 6 Best? STARDOM ST8-U5 for the price, great choice.
on Mar 7, 2011 at 7:17:06 pm

Tom,

Our STARDOM ST8-U5 (8 bay mini-SAS) DAS with a ATTO R680 card will give you 700MB/s Read/Write Speeds in RAID 6. While it's not a cheap solution, it's more cost effective than others out there & is field proven, with end users such as NBC using it. The beauty of the ATTO R680 card is you won't lose much speed if a drive fails and you need to rebuild.

It seems like you've done some research on RAID 6. We take it you're editing in Final Cut Pro?

RAID 6 is the best choice when editing, (when you have the capacity to do so). Always get more capacity Larger drives than you think you'll use, trust me.

With RAID 5 if you have a drive fail and a 2nd drive fails in the rebuild process, you'll lose the whole array in RAID 5.

In RAID 6 you can have 2 drives fail and still be protected.

http://silverado.cc/shop/product.php?productid=1440 sells it as a turnkey ST8-U5 (mini-SAS) with an ATTO R380 card & drives.

Jon Schilling | Sales & Marketing
RAIDON-USA Technology
STARDOM Storage by RAIDON
15356 East Valley Blvd., Suite B
City of Industry, CA 91746
Tel: 626-333-7888
http://www.stardom-usa.com



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Alex Geroulaitis
Re: RAID 6 Best?
on Mar 7, 2011 at 8:47:17 pm

Jon's suggestion is right on the spot - but it will mean you'd have do get a Mac Pro. I don't believe you can attach anything MiniSAS to an iMac.

Jon: what would you recommend for an iMac, outside of getting a Mac Pro?

Thomas: does it have to network-attached, or can attach directly to your iMac? Are there any other editors (client computers) accessing the same footage and projects from NAS?

Alex (DV411)


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Jon Schilling
Re: RAID 6 Best?
on Mar 7, 2011 at 9:39:15 pm

Alex,

I didn't catch the "iMac" part, that does change things. If he wants/needs appreciable speed in RAID 6 there aren't many options. We do have a 5 bay with RAID 6, but with FireWire 800 speeds it'd still be too slow to edit uncompressed HD. Maybe Bob Z or someone else has a suggestion.

Jon


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Alex Geroulaitis
Re: RAID 6 Best?
on Mar 7, 2011 at 10:05:19 pm

Judging from Thomas' posts, the only option for him (short of getting a Mac Pro) is a decent FW800 HD for local editing - then he could transfer the project or the output file to NAS if needed.

Alex (DV411)


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Thomas Morter-Laing
Re: AID 6 Best?
on Mar 7, 2011 at 10:09:56 pm

Cheers guys, but this situation is for a couple of Mac pros actually! Forgot to mention that sorry!

:D
Tom Morter-Laing
Freelance Editor
Certified Apple Product Proffessional, 2010
http://www.depictproductions.co.uk

Sony Z5, with Rode NTG2.
iMac 27" intel i7 2.93GHz, 12GB RAM, ATI HD5750 [1GB GDDR5], 2TB Int. SATA with 2TB External HDD; (FW800), with Elgato Turbo H264HD.





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Jon Schilling
Re: RAID 6 Best?
on Mar 7, 2011 at 11:43:42 pm

Thomas,

Great, then my suggestion would be applicable! Not sure if Alex at DV411 would send you a STARDOM ST8-U5 with an ATTO card to the UK, but anything's possible.

Jon


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Alex Geroulaitis
Re: AID 6 Best?
on Mar 11, 2011 at 9:13:22 am

Thomas, did you by any chance receive my direct email? I think I sent it on Monday.


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Thomas Morter-Laing
Re: AID 6 Best?
on Mar 11, 2011 at 11:48:47 am

Thats odd, Im fairly sure I didnt sorry! Perhaps try again?

:D
Tom Morter-Laing
Freelance Editor,
Certified Apple Product Proffessional, 2010
http://www.depictproductions.co.uk

Sony Z5, with Rode NTG2.
iMac 27" intel i7 2.93GHz, 12GB RAM, ATI HD5750 [1GB GDDR5], 2TB Int. SATA with 2TB External HDD; (FW800), with Elgato Turbo H264HD.





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Alex Geroulaitis
Re: RAID 6 Best?
on Mar 12, 2011 at 2:58:29 am

[Thomas Morter-Laing] "Thats odd, Im fairly sure I didnt sorry! Perhaps try again?"

It's info @ (the domain name in your sig block), right? Just sent it again.

Is there any way to send a private message via this forum? I've tried and couldn't find a way.


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