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Asus p8z68 -Setting BIOS from RAID back to AHCI and the 2x HDDs still running at RAID0 ??? - Page 2

post #11 of 15
Thread Starter 
Some google research below......

Is this probably because the OS is loading a RAID driver! and when switching to non RAID mode, it will BSOD ?

When switching to AHCI mode, there is no RAID support. RAID support is mostly provided by the OS and drivers, often called fake raid controller.


Probably this is the reason why... ?????
post #12 of 15
I actually can't speculate on the exact reason why, I just don't know.

The Intel RAID driver actually has the AHCI driver incorporated into it. The RAID driver is used for the drives that in RAID, and the AHCI driver is used by drives that are plugged into the same controller (in your case the z68 PCH), but are not members of the ARRAY. Something is holding the ARRAY together as far as Windows is concerned. The "fake RAID" (software driven) that you mention, is what I initially thought IRST was doing, until you posted the screen shot. It wasn't that... I've never heard of, or seen Windows hold a RAID ARRAY together.

And you are correct... I don't know why no BSOD when accessing the ARRAY. the OS doesn't need the array to function, so I can see Windows loading and operating without issue.

But as I mentioned earlier, your issue is very strange.

EDIT: Just a thought... that if you don't mind, I'd like you to test. It will set everything you have changed in your UEFI back to default settings, so I understand if you choose not to do it.

I am wondering if somehow the UEFI itself is causing the RAID to stay together. A UEFI, unlike a traditional BIOS, is a mini OS on its own. I think if I'm correct, you are booting using Windows Boot Manager, rather than booting directly from your SSD. Is that correct? If so, I'm wondering if an entry exists in the Boot manager that is causing this. My though is to reset the CMOS/BIOS/UEFI on your motherboard. It is as simple as shutting down your system, and pushing the "Clear CMOS" button on the back panel of your PC. I beleive the button on your motherboard is locate directly above the audio out connectors of the back panel.

Edited by xandypx - 1/30/12 at 10:37am
Rusty Metal
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Rusty Metal
(17 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7 2600K ASUS P8P67 PRO NVIDIA GeForce GTX 580 Corsair Vengeance 
Hard DriveHard DriveHard DriveOptical Drive
2 x Corsair Performance 3 SSD 128 GB; RAID 0 2 x Western Digital Black 1TB; RAID 0 Western Digital Black LG BluRay - RE/DVD+/-DL Burner  
Optical DriveCoolingOSMonitor
LG 24x super-multi  Corsair H70 Windows 7 Professional x64 DELL U2711 
KeyboardPowerCaseMouse
logitech G19 Corsair AX750 Coolermaster Storm Sniper Logitech Performance MX 
Audio
Creative Sound Blaster X-Fi Titanium Fatal1ty Pro  
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Reply
post #13 of 15
Hi

I am having the exact same issue as previously described. Only one thing differs. I'm using a Rampage IV Formula. I've downloaded the latest Intel RST drivers from the asus site for that board (dated 4/16). I have windows installed to an SSD and created a raid using two 1.5 TB HDDs. However, when the bios is set to RAID I blue screen and cannot boot into windows. With it set to ACHI I can boot into windows and it seems as if the raid array is recognized. Even device manager shows it. I have one issue different than the above person. The IAStorUI will not load and when I boot I cannot access the cntr+I menu. However, when bios is set to raid, I can access the cntrl+I menu.

Something really weird is going on. I'm glad to see I was not the only with this problem (if it even is that.) I'm curious if the above poster found a solution.
post #14 of 15
Again, same problem this time on a P9x79 motherboard.

I was using RAID1 on two hard drives (non boot disk), and then one day my EFI settings got reset. I didn't realize at first because the computer booted up just fine, and my drives still showed up as a single RAID volume. Read Write speeds are typical of two hard drives on RAID1.

The Ctrl+I menu does not appear at all at boot time, and SATA mode is set to AHCI in EFI.

Problem is now I want to put it back into mirrored mode, and I can't because Ctrl+I doesn't show up. If I set SATA mode back to RAID in EFI, I can enter the Ctrl+I menu at boot time but all disks are set to Non Raid volumes. Intel RST config crashes on launch.

This is the second time this has happened to me. Going to try moving data off the drives and formatting them, but it will take a while.
post #15 of 15
same thing here can not get into Raid option try 10 times and just not there i guess did it before but now cannot access raid that all with the keys ctrl I don't know what to do get a new board really wanted that Raid to work .ray

Asus p8z68-v pro with I7 3400 to 4600

2ssd

radeon 6770
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