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3TB 2x in Raid 1 not seen above 746GB, help!


Hoody_s13

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Hey all, I've just built up everything in my new pc and having dramas with the 3 TB drives.

Firstly I'm using a Asus Rampage III Extreme board, 2x 3TB Western Digital Drives, and using the onboard raid controller Intel ICH10.

 

Loading everything up for the first time, changing the drives to GPT in windows disk manager, I get full capacity (roughly 2.75TB) on each drive.

 

So I go back into the bios, change the Storage configurator setting from 'IDE' to 'RAID' and reboot, go into the raid controller options and set up as Raid 1. The raid controller options display the drives as 746GB each???

Running the drives in Raid 1, or as non raid with the settings in bios still on 'RAID', also wont allow windows too see these two as many more than 746gb. Tried using Asus Disk Unlocker which did not detect the drives.

 

Any help here? The whole purpose of me buying the drives was for large storage with redundancy.

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You are going to have problems right now with anything over 2TB. WD has been very up front about this issue. Currently I think the only way to get around it, is with something like this card as suggested by MJ. Sorry for the bad news, but it is possible to get it working! They actually had similiar problems when the 2TB drives came out!

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Sorry about the late reply, havent had much time this weekend to try fix it.

Just checked my bios version, its the latest so cant do anything there.

My intel drivers are up too date, I dont think that would solve any issues outside of windows right? Since im trying to set this raid up in bios/dos

 

I guess the raid controller is the only option, will this cause any conflicting issues with my mobo or the onboard intel ich10 chip?

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Silly me just realised the card that came with the HDD is the highpoint 620 raid controller... i just assumed it was a plain old sata card.

 

Now my other problem, my sound card is running in the PCI express x1 slot, so where can I put this? I've got 3x PCI express x16 and one PCI express x8. Can it go in one of the 16x? My future upgrades wont be going further than a 2x SLI setup, so can I be affected by scaling later on?

Edited by hoody_s13

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ok tried out the highpoint 620 raid controller before. first time booted, after posted said updating ATA controller card firmware, booted into windows and drives were detected as singles.

tried to get into the bios for the controller using Ctrl + H, with no luck. Noticed everytime i booted it said updating the firmware. Also after the first boot, the drives were no longer detected... what a drag setting these babies up in raid 1 has become

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