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SSDs - RAID or not

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Old Sep 17, 2015 | 12:33 PM
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Default SSDs - RAID or not

Wanting to gauge opinion from the SN IT collective...
For maximum performance is it worth having a pair of SSDs RAID 0 or a single SSD for the OS?

Or would I be better opting for an M.2 Gen 3 x4 SSD for the OS?

Thanks
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Old Sep 17, 2015 | 12:37 PM
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tbh ott to run raid on ssd, there mega fast anyway.
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Old Sep 17, 2015 | 12:43 PM
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Thanks for that. So, OS on one SSD and install apps on another? How does that sound?
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Old Sep 17, 2015 | 12:48 PM
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yeah, i run windows on a 128gb vertex 4 ssd and everthing else goes on one of the two spinnys i have in it
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Old Sep 17, 2015 | 03:02 PM
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forget everything you know about SSDs, and get this

http://www.thessdreview.com/our-revi...-review-400gb/

its the single most fastest drive I've ever seen, its 4 Times faster than a normal SSD give or take a few megs.

Unbelievable thing... they do a 1.2TB version but a tad expensive

Boot from this thing and have a few FAT 4TB spinners as your storage....

this is slow due to his Bios crap, but once it gets going

Last edited by Littleted; Sep 17, 2015 at 03:10 PM.
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Old Sep 17, 2015 | 05:03 PM
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hahaha how much
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Old Sep 17, 2015 | 05:57 PM
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320quid for 400gig, put it in perspective and its not that bad. 1.2TB is a lot though
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Old Sep 17, 2015 | 06:00 PM
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Originally Posted by Littleted
320quid for 400gig, put it in perspective and its not that bad. 1.2TB is a lot though
not that bad?

you can pick up a 3tb spinner for 1/4 of that lol
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Old Sep 17, 2015 | 06:02 PM
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Originally Posted by Littleted
forget everything you know about SSDs, and get this

http://www.thessdreview.com/our-revi...-review-400gb/

its the single most fastest drive I've ever seen, its 4 Times faster than a normal SSD give or take a few megs.

Unbelievable thing... they do a 1.2TB version but a tad expensive

Boot from this thing and have a few FAT 4TB spinners as your storage....

this is slow due to his Bios crap, but once it gets going
i5 750 @ 3.6ghz Intel SSD Boot speed on Windows 7 - YouTube
tbh i dont think thats much, if any, quicker than mine booting
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Old Sep 17, 2015 | 08:49 PM
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Yea agreed mines a lot quicker than the one in that vid, i'm using a Sammy 840pro SSD.
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Old Sep 17, 2015 | 09:14 PM
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Prob not a good example, but the drives one of the worlds fastest, boot times are suspect as each board acts diff, but once in you'll notice it

It's fours time quicker than most ssds.
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Old Sep 17, 2015 | 10:24 PM
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This what I was on about in my first post. Same sort of performance as that Intel 750.
M.2 Gen 3 x4

Tempting...
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Old Sep 17, 2015 | 10:41 PM
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Yes M.2 SSD's are better as they use PCIE and not the SATA bus. But come at a premium for now.
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Old Sep 18, 2015 | 12:36 AM
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Hi there

RAID on SSD not sure if I would do...

I would get good SSD something like 850 or 840 from Samsung,they're best,MX100 or MX200 from Crucial are not bad,but they're slower,I've run both and hands down Samsung drives are faster,on mine i've replaced under warranty one MX100 after he went bad,due this I would go with Samsung drives

For backups I would go with 3TB Toshiba,I've got 3 in mine PC and all of them works perfectly and they're faster than my WD Black or Blue,Green I wouldn't use if will be holding yours games etc or music,they're simply slow,speed is around 80mbps and on Toshiba is around 160-180mbps on SATA2,I'm still on SATA2 on X58 with Xeon X5670 with 4.2ghz on OC

I'm still considering go route of the PCIE SSD or buying M2,but still they're very expensive and if they're worth not sure and if I would use them,my current setup works and I use graphic SW or music production SW and there I've not seeI'slowdowns

Hope this helps

Thanks,Jura
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Old Sep 18, 2015 | 02:51 PM
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Thanks for all of your comments.

@Jura - I have a pair of 850s Something else I've discovered is that Samsung Magician cannot optimise RAIDed SSDs. Pretty obvious when I actually thought about it but it didn't occur to me at the time.

Anyway, as this PC isn't doing anything productive yet I've installed Windoze 8.1* with the SSDs configured RAID 0 and have used PCMark to benchmark it. Going to break the array and install the same OS on a single SSD and benchmark again. If anyone is interested, I'll post up the results.

*Win 8.1 instead in Win 10? Yep, this PC will be running VMware Workstation and I've had problems when used with Win 10 around bridging the physical NIC.
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Old Sep 18, 2015 | 04:16 PM
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Raid on SSDs is something thats not really done... the SSDs were for speed of access and boots, then rely on spinners in Raid 1 5 or 10 for storage....

saying that bet a raid 0 stripe with 2 of them pie drive if possible would be mega
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Old Sep 18, 2015 | 07:02 PM
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SSD's in their current state no, the memory wouldn't really last long enough to be for any home use, unless cost isn't an issue for you.

There is however a new type of flash memory that has been recently finalized and will be released now or in the near future.
It'll pretty much wipe the floor with current SSD's and it's longevity will be a lot more.
This will really change things, as the memory is supposedly cheaper to produce than current nand flash.

Here we go, 3D Xpoint, intel have been working on it for years along with micron and cruicial iirc.
Eventually there will be no dimm or hdd/ssd just these modules.

http://www.theverge.com/2015/7/28/90...D-xpoint-speed

Last edited by hux309; Sep 18, 2015 at 07:04 PM.
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Old Sep 18, 2015 | 07:10 PM
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Originally Posted by hux309
SSD's in their current state no, the memory wouldn't really last long enough to be for any home use, unless cost isn't an issue for you.
That's a bit of a myth really any of the decent SSD's will out last your lifetime, there is really no concern about their longevity. Unless you buy a dud.

Worrying about the lifespan of a modern SSD makes no more sense than worrying about the endurance of the spinning drive you use now.

For example there have been tests done, where a Samsung 840 Pro and a Kingston HyperX are still going after crossing the 2 petabyte data write benchmark.
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Old Sep 18, 2015 | 07:15 PM
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Originally Posted by bioforger
That's a bit of a myth really any of the decent SSD's will out last your lifetime, there is really no concern about their longevity. Unless you buy a dud.

Worrying about the lifespan of a modern SSD makes no more sense than worrying about the endurance of the spinning drive you use now.

For example there have been tests done, where a Samsung 840 Pro and a Kingston HyperX are still going after crossing the 2 petabyte data write benchmark.
I guess like anything it'll depends how much writing the op plans on doing.
I had a 128gb ssd die on me in two years, just from writing, granted it could have been a faulty module as my replacement is 4 years in and doing well, well so far anyway.
But i have to admit those M2 boards are seriously impressive, i'm due and upgrade and that there is making me very tempted.
But personally the geek in me would wait and see what 3D Xpoint is capable of, seeing as it's just around the corner and offers so much more.
That and waiting for usb c, but then there are probably boards with that already.
About time graphics cards got going, they've been stagnant for what feels like forever.
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Old Sep 18, 2015 | 07:24 PM
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Have a look at the performance, 7x that of the fastest M2 ssd, and that's the early prototype.
http://www.geek.com/chips/intels-optane-ssd-is-7x-faster-than-todays-solid-state-drives-1631522/

Last edited by hux309; Sep 18, 2015 at 08:33 PM.
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Old Sep 20, 2015 | 01:20 AM
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Originally Posted by markr1963
Thanks for all of your comments.

@Jura - I have a pair of 850s Something else I've discovered is that Samsung Magician cannot optimise RAIDed SSDs. Pretty obvious when I actually thought about it but it didn't occur to me at the time.

Anyway, as this PC isn't doing anything productive yet I've installed Windoze 8.1* with the SSDs configured RAID 0 and have used PCMark to benchmark it. Going to break the array and install the same OS on a single SSD and benchmark again. If anyone is interested, I'll post up the results.

*Win 8.1 instead in Win 10? Yep, this PC will be running VMware Workstation and I've had problems when used with Win 10 around bridging the physical NIC.
Hi there

Good choice,I've older 840 which can suffer with performance degradation after time,they issued update which does helps,but still this shouldn't happen on SSD,Sandisk seems are best and Intel too are great,but they cost twice or three times more than Samsung and many others

Regarding the RAID,I'm not using RAID,I'm still scare of the RAID

Can you post the results,will be very great if you can share yours results

In my case looking I will be going with X99,but still think I will stay or while with X58,agree M2 is what i would love to have and few other bits

PCIE SSD are on my list to get,but prices must go down and i would stay with Samsung too,Intel are very expensive if I'm looking for something like 1.2TB

Thanks,Jura
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Old Sep 23, 2015 | 12:07 PM
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Total overkill.

People get very hot and bothered about SSD performance, and unless it's for server workloads, it's almost always utterly irrelevant in real-world scenarios.

Example: I had an OCZ RevoDrive - this was one of the first 'consumer' grade PCI-Express SSDs. This thing was fast - at 700MByte/s read and write, and more importantly something like 130k IOPS, this drive would still be able to go toe-to-toe with the latest SATA/SAS SSDs and leave them reeling.

Unfortunately it was made by OCZ, so true to form it expired about a year ago. This was sad, but as it wasn't properly compatible with Win 8.1 and there wasn't really a suitable replacement product on the market at the time, I bought myself a Samsung Evo 840. Just one, but it was twice the capacity and 1/3 the price of the old Revodrive - the relentless march of technology.

You may ask why I willingly bought a slower drive? Well on paper the 840 isn't as fast as the Revo was, but in day-to-day usage (playing games, browsing, Office, etc) it makes exactly naff-all difference. Sure, I can run benchmarks that show it's not as fast as my old drive, but given I haven't noticed any actual impact it's nothing more than *****-waving.

The point of this post? A single SSD is enough performance wise for almost any consumer-level requirement. If you want redundancy, sure, add more. If you want more capacity than is available as a single driver, sure, add more. But just for performance? Not worth it.
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