No drive is bootable in BIOS after switching to RAID

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li10210

Commendable
Mar 9, 2016
5
0
1,510
I was trying to create a raid 5 array for my hdds, my system is on an ssd that's not in the array.

Motherboard: ASUS Z170E

sata 0: 1tb hdd for raid 5
sata 1: 1tb hdd for raid 5
sata 2: 1tb hdd for raid 5
sata 3: 1tb hdd for raid 5
sata 4: 500gb ssd for work
sata 5: 120gb ssd with windows 10

At first I changed the setting to raid in the bios, after restart I was able to use ctrl + I to go into the setting and make the hdds an array. Windows won't boot and displays inaccessible boot device, going back to the bios and changing the setting back makes windows able to boot again.

Then I tried the easy raid setup in the bios menu, basically the same process with different ui, but after that there's nothing avaliable in the boot device selection, neither the array nor the non-raid ssd showed up, the only option there is boot with the on board network card. Revert the setting would make Windows bootable. The ctrl + I raid setting screen is gone, and I can't boot anything in raid setting unlike the previous senario that at least I could have the inaccessible boot device error.
 
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drtweak

drtweak

Illustrious
Sep 17, 2012
6,342
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Set it back to Non Raid Go back into windows Follow these steps here first

http://www.overclock.net/t/1227636/how-to-change-sata-modes-after-windows-installation

Then once that is done reboot, go into bios, set back to RAID, and you should be able to boot up.

This issus is windows sues one driver for Legacy another for AHCI and another for RAID. You have to tell windows to pretty much accpet any one of them vs only allowing the one.
 
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Solution
L

li10210

Commendable
Mar 9, 2016
5
0
1,510


That was the solution, thanks!

The problem was that the bios was bugged, so if I set it to raid, the bios won't let anything boot, so I just shorted out the motherboard to reset, and now it works!
 
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L

li10210

Commendable
Mar 9, 2016
5
0
1,510


The bios was blocking me from booting to anything, even if I want to reinstall windows, I can't because the bios wouldn't let me.
 
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M

Me_Shock

Honorable
Feb 2, 2014
5
0
10,510
After 2.5 year i had receive similar problem in my Gigabyte GA-Z270-HD3. Firstly, i had to update the bios to the last version (F9d) and go to Peripherals > SATA and RST Configuration and change option SATA Mode Selection from AHCI to Intel RST Premium-blah-blah-blah. After that i had booting from acronis usb flash and recover saved image of OS to entire disk of raid volume1 (Acronis restored it successfull). After that, i had go back to bios and trying to boot from RAID1 volume, but can't to find it in the boot devices. (After 10 minutes of my stupidity, i was find option: "Use RST Legacy OROM" in Peripherals > SATA and RST Configuration and set it to Enable)
--
Before bios flashing this option was turned on by default. Oh gigabyte gigabyte..
 
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drtweak

drtweak

Illustrious
Sep 17, 2012
6,342
75
38,640


Yea I just don't use Intel for RAID period because of this. You are better off spending money buying a cheap/used RAID card. If RAID 1/0 Software RAID controllers are fine but for 5/6 you want full blow raid cards with cashe and a BBU. Just so much easier to deal with.
 
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M

Me_Shock

Honorable
Feb 2, 2014
5
0
10,510
Thank you))) I already find one used for ~ 100$. Intel marketing are beast - to sell fake raid.)) omg..

 
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