Trying to install Win 7 Pro 64 on a 6tb RAID5 on a MSI 990FXA-GD65 v2

I have been trying for 2 days to get W7 pro to install on RAID5 set up through the motherboard. I have 4 identical 2T hard drives which are no problem to set up as a 6T RAID5 array on the motherboard. The install starts with no problem, I load the RAID drivers and convert the array to GPT format and point the install to the 6T GPT drive which the install sets up with the 3 partitions required but then the install stops and says it can't install because the computer will not boot to the created partition.
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  1. Sorry if I'm not of much help but perhaps try follow the instructions here:

    http://www.techpowerup.com/forums/showthread.php?t=167245
  2. Converting the array to GPT format destroys the raid boot record on the disks. Follow the Raid install instructions and it will work.
  3. AzuAzu-1321689 said:
    Sorry if I'm not of much help but perhaps try follow the instructions here:

    http://www.techpowerup.com/forums/showthread.php?t=167245


    Good advice, I hope! Will let you know the outcome in an hour (6T formats REAL slow!!)
  4. noidea_77 said:
    Converting the array to GPT format destroys the raid boot record on the disks. Follow the Raid install instructions and it will work.


    Okay, so now when I started the install after almost 2 hrs for diskpart to format the drive, I get "Error occured while preparing the system volume. Error code 0x8004242C". Any suggestions?
  5. Bearded Dan said:
    noidea_77 said:
    Converting the array to GPT format destroys the raid boot record on the disks. Follow the Raid install instructions and it will work.


    Okay, so now when I started the install after almost 2 hrs for diskpart to format the drive, I get "Error occured while preparing the system volume. Error code 0x8004242C". Any suggestions?


    Hmm, That's "The volume size is too small.": http://msdn.microsoft.com/en-us/library/dd208031.aspx
  6. Bearded Dan I am now experiencing the exact same problem, and with an MSI board. I wonder if possibly the RAID BIOS isn't the culprit. Did you ever find a solution?
  7. imnotassmartasithinkiam said:
    Bearded Dan I am now experiencing the exact same problem, and with an MSI board. I wonder if possibly the RAID BIOS isn't the culprit. Did you ever find a solution?


    What I came up with is that WIN 7 will only control a 2 TB section for it's drive. I set up the RAID array with a 2TB area for the operating system and the balance as a second array and it's been working fine ever since.
  8. Thanks for updating us, Sorry I missed this way back then; I could have saved you a little grief.
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