Raid 0 with 2x SSD Intel, different write/read speed

MegaTheJohny · Oct 18, 2013

ok guys, I have Intel 330 SSD 240GB (R/W 520/485) and I would like to buy another one for Raid 0. Unfortuantelly this SSD is kinda old, and I can only find Intel SSD 335 240GB with different Read/write speed 500/450. So how does those 2x SSD pair up in raid 0 ? Is it going to be fine ?

thanks

USAFRet · Oct 18, 2013

A RAID 0 is limited to the speed of the slowest, and the size of the smallest.

Read this all the way through and then think real hard if you want to go down that road...
http://www.tomshardware.com/reviews/ssd-raid-benchmark,3485.html

Hint: You will be gaining nothing except an increased potential for failure.

AxlFone · Oct 19, 2013

I have two SSD*s is RAID 0. Sandisk Extreme 240GB.
I just wonder when do they fail? Or what ever.

To me they work really well. Do intel SSD's have issue with RAID?

Here is review of sandisk ultra plus RAID 0.
http://www.rwlabs.com/article.php?id=816

I think intel did have really good NAND chips in 520 drives.
Not some cheap crap like samsung do have on EVO drives

Kingston V300 did have same. NAND chips are depending where the SSD is fabricated.

Where this RAID is not good idea is coming from? I think my drives are working great in RAID and I have yet have any issues with them what so ever. To me it looks that they work fast and reliable.

USAFRet · Oct 19, 2013

Yes, it works (mostly). But are you gaining anything for the added complexity?

According to this, no:

AxlFone · Oct 19, 2013

USAFRet :

According to this yes. I did not see that OP did say anythin about gaming.
He did ask for write and read speeds?

USAFRet · Oct 19, 2013

AxlFone :

I just see a comparison of different drives in RAID, not RAID vs non-RAID.
(And I didn't say anything about gaming either)

AxlFone · Oct 19, 2013

USAFRet :

First you did say this.

A RAID 0 is limited to the speed of the slowest, and the size of the smallest.

Read this all the way through and then think real hard if you want to go down that road...
http://www.tomshardware.com/reviews/ssd-raid-benchmark,...

Hint: You will be gaining nothing except an increased potential for failure.

How is this working? How many % incresed potential failure is if I'm using now RAID 0 with my 2 SSD's ?

How much faster read and write times do I have?

So what are you talking about? I did plan to make NAS now. I did find cheap CPU (AMD) and same time I was thinking to remove all HDD's from my build. 2 256GB sandisk ultra plus to RAID and Extremes to for storage. Or maybe I can do two RAID sets? Anyway.Then next step is getting two 500-1TB samsung EVO drives. I do not know where all the issues do come up. Because I do not have them? It is just confusing.
So my recommendation is try RAID 0 it is really much faster than one drive. Sure if you buy not so good drive. You can have issues with one drive. But good drives are working and RAID is not making them fail.
They fail single drive too. If they are going to fail.

USAFRet · Oct 19, 2013

How is this working? How many % incresed potential failure is if I'm using now RAID 0 with my 2 SSD's ?

Yes it works. However...
2 independent drives: If one fails, you've lost the data only on that drive.

2 RAID drives: If one dies, you've lost the data on both. Or if the RAID array gets corrupted (which does happen).

How much greater percentage of fail? Unknown. But in my system, that will never happen because I've not RAIDed my two SSDs.

How much faster read and write times do I have?

I don't know. You tell me...

And that's the whole point of a RAID 0. Is your system actually faster in real world use? Only you can tell.

And is TRIM operational on your system? That does not always work with a RAID array.

I'm not saying it doesn't 'work'.
I am saying "Is there a performance increase large enough to warrant the added complexity?"

AxlFone · Oct 19, 2013

I don't know. You tell me...
And that's the whole point of a RAID 0. Is your system actually faster in real world use? Only you can tell.

I did some tests on X-58 build. RAID was faster. I did try both intel and marvell raid. I did end up using RAID after testing it couple times. 4 or 5
Evry time RAID did make my build faster.

And is TRIM operational on your system? That does not always work with a RAID array.

In Marvell RAID the Trim did not work. But maybe it was because of my sandisk SSD's and not because the marvell RAID controller.

Like they did say in that sandisk ultra plus raid test. There was upgrade to firmware and it did make huge bump to speeds. Maybe if more people uses RAID then Trim works in RAID too?? I do not have any idea why it did not work in my system. Intel side it did work.

And I do not even remember is now intel or marvel what I'm using.
Yeah I use now Intel. maybe marvell is faster?

I'm not saying it doesn't 'work'.
I am saying "Is there a performance increase large enough to warrant the added complexity?"

I think it is. Try then we have second opiion

I must install new windows soon so I can test that marvell side

I have this MoBo. And my old mobo was Asus X-58 sabertooth
Im sure you have "better" 1155 / 1150 build

http://www.gigabyte.com/products/product-page.aspx?pid=4050#sp

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Raid 0 with 2x SSD Intel, different write/read speed

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