2 different Raid Controller for RAID 0

[cabecinhas_br]

Hi.. I've bought a SiI3132 - PCI Express (1x) Raid Controller but I would like (for more performance) to use two of these Raid controllers using one Hd connected in each Controller..

I don't know if it will work because I don't know if I can use RAID 0 using 2 Raid Controllers..


Currently I'm using one controller and its fine, but not good performance, so I think using 2 conrtollers the perdormance will improve..


Could anyone tell me if two SiI3132 - PCI Express (1x) Raid controllers can Run RAID 0 (one Hd connect on each controller)?


Tks a lot


Rodrigo

 

[Hawkeye22]

I don't know of any raid controllers that can work in tandem like that. An array has to have drives that all exist on the same controller.

 

[cabecinhas_br]

Even if the controllers are the same model etc?

 

[Hawkeye22]

None. You would be better off purchasing a better model from 3ware, areca, LSI, or Adaptec. Of course you'll pay more for the better models.

 

[cabecinhas_br]

Hum.. yes.. but My concern is.. a pcie 1 is 500gb/s and Ive connected 2 hds. so I'm not getting the full speed of 'pcie 1' because the speed is divided by 2 hds.. that's why I wanted to use e separate raid controllers in order to get the full performance.

any ideas?

 

[Hawkeye22]

They make PCIe x4 and x8 raid controllers. You'll pay more for them.

Here is an example.

 

[cabecinhas_br]

Thank you very much Hawkeye22, but I'm currently able to control my 2 hds.. but once the pcie is 500gb only the speed is divided by 2. thats why my performance is low.

If I connect one hd in each raid controller and be able to make a RAID 0, the performance will be better.. Right?


Tks

 

[Hawkeye22]

Most drives have a throughput of about 80Mb/s. I don't think two drives will saturate a 3Gb/s sata2 controller let alone a PCIe x1 slot.

Edit:
You may also want to look at this in the RAID section.

http://www.tomshardware.com/forum/251570-32-onboard-raid-controller

 

[Plumble]

I have one of those. You are a lot better of getting a reliable high performance RAID configuration.