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two ssd's in raid0 and one hdd in raid1, possible?

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May 26, 2013 3:47:08 AM

Hi, so I have a 120GB Samsung 840 ssd, and a 256GB Samsung 840 ssd.

I know I'd be able to raid0 these two SSD's.

I also have a 500GB Seagate HDD and will be using my asrock z77 extreme 4 motherboard.

I was wondering If It is possible if I can somehow mirror or raid1 the two ssd's in raid0 onto my third SEAGATE 500GB HDD...If this is possible will there be any major performance loss than a simple raid0?

Any reply would be helpful :)  .. Thankyou!

More about : ssd raid0 hdd raid1

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May 26, 2013 3:53:20 AM

You can RAID0 the SSD's, but you will be limited to 240GB and the performance of two 840's, wasting the potential of that 840 Pro.

What you are talking about with the HDD is known as RAID 10, and with that current setup and hardware you cant do it, and if you somehow did you would get HDD level performance.
In a nutshell, only use RAID across identical drives. Mixing and matching drives, especially HDD and SSD's, will limit your performance and capacity.

Heres some tutorial videos that will explain the different levels of RAID and how they work.
RAID0 and 1 tutorial.
http://www.youtube.com/watch?v=RYBtmVMtH1g
RAID 10 and 5
http://www.youtube.com/watch?v=TuwjadbtUCY

For the average person, RAID 1 and 0 are the only ones with a practical application, with RAID10 being useful if your doing something a bit more professional. RAID 5 and 6 are only useful when your talking networked storage or servers.
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May 26, 2013 3:57:44 AM

azhar101 said:
Hi, so I have a 120GB Samsung 840 ssd, and a 256GB Samsung 840 ssd.

I know I'd be able to raid0 these two SSD's.

I also have a 500GB Seagate HDD and will be using my asrock z77 extreme 4 motherboard.

I was wondering If It is possible if I can somehow mirror or raid1 the two ssd's in raid0 onto my third SEAGATE 500GB HDD...If this is possible will there be any major performance loss than a simple raid0?

Any reply would be helpful :)  .. Thankyou!


ok... the two ssds in RAID0 will work. Generally you want two similar hard drives with similar sizes... but your two SSDs are about the same speed so it shouldn't be a major problem. the other issue is the 2nd SSD won't be able to contribute all of it's storage space to the raid0 array (max array size of 240gb)... as you're limited to the max space of the smallest drive... so half of the large ssd will be lost...

what you're talking about with the extra hd is a RAID10... however, that array would only be as fast as the hard drive. And therefor pointless.
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May 26, 2013 3:58:41 AM

manofchalk said:
You can RAID0 the SSD's, but you will be limited to 240GB and the performance of two 840's, wasting the potential of that 840 Pro.

What you are talking about with the HDD is known as RAID 10, and with that current setup and hardware you cant do it, and if you somehow did you would get HDD level performance.
In a nutshell, only use RAID across identical drives. Mixing and matching drives, especially HDD and SSD's, will limit your performance and capacity.

Heres some tutorial videos that will explain the different levels of RAID and how they work.
RAID0 and 1 tutorial.
http://www.youtube.com/watch?v=RYBtmVMtH1g
RAID 10 and 5
http://www.youtube.com/watch?v=TuwjadbtUCY

For the average person, RAID 1 and 0 are the only ones with a practical application, with RAID10 being useful if your doing something a bit more professional. RAID 5 and 6 are only useful when your talking networked storage or servers.


That's exactly what I needed to know... the 250gb isn't a pro version :)  ahaha and is actually 70-80 pound cheaper then the pro version, and samsung is doing a deal were they give you cashback for buying there ssd's ahaha!... and thanks for that I guess I'll just use the 500gb hdd as a normal storage device then :) 

Very helpful :) 
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