Buying a hardware RAID controller

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jeorge_kabbi

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Nov 18, 2011
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2
i have this motherboard : http://www.msi.com/product/mb/790FX-GD70.html
and 2 SSD 128GB hard drives connected to the motherboard in RAID0 used as a C drive. i have another i TB hard drive used for data.

my problem : Linux and many other boot disks does not "see" the hard drive because it is a "software raid" thus a driver is needed.

my proposed solution : buy a 4-port sata3 hardware RAID controller (i think its also known as thick raid) so that:

1- i can connect my 2 drives and have the option to expand that to 4 drives in the future (rebuilding the raid needed i know).

2-the sata 3 will be backward compatible with sata2 (both front and back ends) so i can use the same RAID controller in my next computer.
3- it will work with "anything" without any drivers. in other words the motherboard will think that it is simply a single hard drive is connected to it.

my question is :
is #1 ,#2 and #3 mentioned above true ? and if so shall i get your kind advise regarding what controller i could buy (budget around 400 USD)

thank you
 

jiml8

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Joined
Jul 2, 2005
Messages
2,634
1,2, and 3 are all true.

I don't know why you'd want to stripe those drives anyway; when you stripe, then losing one drive results in loss of all data on the RAID. Having two drives doubles your chance of a drive failure. I doubt you need or will even notice the increase in speed that striping them will give you.

But it is your choice to make.

If I were you, I would not buy a SATA RAID controller, I would buy an SAS RAID controller that supported SATA (most do). Since you are performance oriented, this would position you to use high-performance SAS drives if you wanted to do it. You'll get more GiB/buck than with SSDs, they'll probably be more reliable than SSDs and, while they won't be as fast as SSDs, they'll certainly be faster than SATA.
 
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