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possible? using a pci raid controller and onboard raid on asus crosshair IV formula

post #1 of 5
Thread Starter 
Hello
I am looking at buying the asus crosshair IV formula and am planning a major raid set up - since the IV formula has 5 sata III and 1 sata II onboard i dont have enough sata connectors - i am wondering if anyone has set up a raid thru the onboard raid with the mobo and is also using a raid controller card for a separate raid

many reviews i have read on raid controller card individuals have had to disable the onboard raid - i havent found someone having a set up with the onboard raid set up and a pcie raid controlelr card controlling another raid

In my old PC i had the dvd drive fail so i ripped all the insides of the dvd drive out and just had the shell so i made some ghetto brackets with little anti-vibration mounts and put (2) 2.5'' HDDs inside the dvd drive casing - thus the sata connectors are on the inside of the case giving me extra HDDs:cool:

for my set up i am planning on having a coolmaster haf 932 - boot with ocz vertex 2 then that gives me (4) open 3.5'' bays which i will have (4) 3.5'' 1 TB HDDs in raid 10 thru the onboard controller and then i want to have my dvd bay HDDs connected into a pcie raid controller (i am planning on gutting out another broken dvd drive with 2 more 2.5'' HDDs) so then i will hook up my (4) 2.5'' HDDs into this pcie raid controller to put them in raid 0 pr possibly another raid 10 set up

overall i am wondering if anyone has set up a raid controller card while still using onboard raid on the asus crosshair IV formula

any thoughts or ideas will be greatly appreciated


Thanks!
post #2 of 5
Yes, but it depends on the controller card.
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post #3 of 5
Sata III is backwards compatible with Sata II just not the other way around.

You don't need to run your DVD drive with onboard RAID, disable onboard RAID and connect your optical drive into your motherboard Sata headers.

Run your RAID array with the add on card and you shouldn't have any issues but this depends on if the add on card you're looking at is compatible with your motherboard.

Some cards are picky and others not so much, it all depends on what you're looking at.
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post #4 of 5
Quote:
Originally Posted by rocketman331;11738663 
Sata III is backwards compatible with Sata II just not the other way around.

You don't need to run your DVD drive with onboard RAID, disable onboard RAID and connect your optical drive into your motherboard Sata headers.

Run your RAID array with the add on card and you shouldn't have any issues but this depends on if the add on card you're looking at is compatible with your motherboard.

Some cards are picky and others not so much, it all depends on what you're looking at.


SATA 6Gb/s is backwards compatible with SATA 3Gb/s... and SATA 3Gb/s is fowards compatible with SATA 6Gb/s. SATA 3Gb/s will just not support the higher bandwdith.

If you use the other add-in controller just for SATA ports, it should work fine. Issues may occur if you attempt to run two seperate RAID controllers.
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post #5 of 5
Thread Starter 
the biggest issue is that i know it depends card to card with compatibility for the mobo
ill be looking at sata II raid controller for my sata II 2.5'' HDDs in the empty disc drives then have my new sata III connected to the sata III ports on the mobo with my one dvd drive connected into the only sata II port on the mobo

i just dont know if the onboard raid controller on the asus IV formula works along side a separate pcie raid controller

and correct me if im wrong but it is not possible to connect my pcie raid controller essentially as a sata port expander and have the onboard controller read and set up a raid on those ports - i would assume you cannot disable the controller in the add on card and use hte onboard controller

i just want two raid set ups and dont have enough sata connections on my mobo - any thoughts since this card issue is looking lame

one thought is i could buy 2 of the same 4 port sata pcie raid controller cards but i think before i would do that i would just forget doing the second raid but i dont know im trying to figure everything out ahead of time before i start buying everything im slowly piecing everything together
Edited by Floydmeltsmyface - 12/22/10 at 11:06am
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