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OT: fast media idea for win version
Hi.
I wonder if any of you have considered having local array in win machine with dedicated controller.
I.e. pcie > raid controller > a lot of ssd drives. 4 or 8 etc.
As now there are some 6 gbit raid cards available this may be really interesting idea.
Faster ssd models give you 500 gb to 1 tb on 600 MB sec. Times 4 or 8 on paper makes sweet number.
Lets leave money a side.Specially if some of us are going to 4k and 4k stereo with super micro machines.
My initial idea was to look for arrays based on ssd. Regular drive ones seem to me a bit out dated in a year or so. Specially when drive prices are so hi now.
Many of the arrays even do not support 3tb drives still i.e. 6 gbit drives.—
Margus
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8 Replies
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Even the mac config guide states, that “Some models of SSD cannot save video data at the speed indicated by the manufacturer because the disk uses hidden data compression to reach these higher write speeds. ”
https://www.blackmagic-design.com/media/2384470/DaVinci_Resolve_Mac_Config_Guide.pdfOne good review site tests new ssd’s with blackmagic’s disk speed test, which shows the real capability of an ssd to write video data:
https://www.hardwareheaven.com/reviews/1238/pg8/ocz-revodrive-3-x2-480gb-pcie-ssd-review-hd-video-read-write.htmlAnyway what seems to be a good idea is to throw a Highpoint RocketRAID in your mac, buy a sas-sata adapter cable, and simply connect the ssd’s directly to the card. It’s not that fancy looking as an external RAID case, but…:)
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X2 seems slow to me for the price. Some new models of ssd state 600+ mb.
Lets say some is lost with the stated compression then you still will get 400++
And fast seek time. Regular arrays will strugle with that always.So combining ssd with raid card and inject this result to pcie seems the idea.
Have to r&d some more.
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Margus
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I sent the link because of the review site, not because of the revodrive:)
anyway, fast seek time is an absolute pro for ssd.I know that you said ‘let’s put money a side”, but I’ve just built a 4TB software raid0 array for the price of the 120Gig Vertex3.
I hope it changes though, I’d like to see ssd prices drop to the half of the current price till the end of 2013 -
Considering the low awailability and hi prices on regular drives there will be ssd price drop due the hi demand.
I’m sure of that. Question is when.
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Margus
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I have considered this: average array cost about 4k € i us a bit more in numbers.
But the speed is limited somewhere 600 to 800 MB/sec.
With raid card and lets say 4 ssds (latest models with average 600 MB output) you get 2400 MB/sec.
So with time prices will drop and speeds will rise.
My initial concerne was if to buy array for all my machines but then i got the idea that this all
is old technology already so why bother. Lets investigate some new possibilities.—
Margus
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Well this is a minimal array:
– one of the RocketRaid cards: 350€
– Netstore Raid case with five places (configured as Raid5): 150€
– 5x1TB HDD: 400€So you have a 4TB Raid array with protection for 900€
What would be the price for SSD’s?
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yes, but also if you buy 256GB drives (16 of them:), you would need more cards, more cases.
Anyway…For 2K, I think HDD raid is cheap and enough. For 4K, maybe SSD raid would be better.
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