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RAID 1 and size problem

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May 3, 2012 7:53:37 PM

Hey I'm currently trying to get my 2 new 3TB hdds in RAID 1, but got UEFI and not BIOS so dunno how to do and also got same problem as this guy

  1. http://www.tomshardware.co.uk/forum/283723-14-drive-showing


But I can't figure out how to fix it - Please explain step for step :D 

Thanks

My mobo:
  1. http://www.asus.dk/Motherboards/Intel_Socket_1155/P8Z68V_PROGEN3/

More about : raid size problem

a c 356 G Storage
May 3, 2012 8:06:32 PM

Remove the code tags from your post so people can actually click on the links. You need UEFI in order to boot from a GPT partitioned disk. You didn't mention if this is to be a bootable raid or just storage.
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a c 98 G Storage
May 3, 2012 9:20:04 PM

Your mobo supports large hard drives if its UEFI.

As long as you have Windows 7, you'll be ok.

After you set the drives up in RAID, when you boot in to Windows, you'll set the drive(s) up in GPT, not MBR, due to size. GPT gets over the 2.2TB limit.

Now, I don't know if you can install the OS to a 3TB hard drive, but you said it'll be for storage only. So you are good.

Cheers.
May 3, 2012 9:23:37 PM

foscooter said:
Your mobo supports large hard drives if its UEFI.

As long as you have Windwos 7, you'll be ok.

After you set the drives up in RAID, when you boot in to Windows, you'll se tthe drive up in GPT, not MBR, due to size.

Now, I don't know if you can install the OS to a 3TB hard drive. I'll have to check.


OS isn't installed on the 2x 3TB HDDs - got it on a SSD which were installed months ago
The 3TB is storage and want it in RAID 1 so it's backed up - that's what bug me + the 746GB problem (would be nice to know step for step to do)
a c 98 G Storage
May 4, 2012 2:19:51 AM

Once you install the drives, go to Disk Management to set them up. It'll do it almost automatically.

Start/Computer/right-click/Choose Manage/Disk Management.
a b G Storage
May 4, 2012 2:27:53 AM

v3rp31lt said:
OS isn't installed on the 2x 3TB HDDs - got it on a SSD which were installed months ago
The 3TB is storage and want it in RAID 1 so it's backed up - that's what bug me + the 746GB problem (would be nice to know step for step to do)


Follow foscooter's suggestions. Your 746GB experience is very indicative of the drive(s) being formatted/intialized as MBR instead of GPT.
Delete the partition completely and reformat with GPT, should see it all...
a c 356 G Storage
May 4, 2012 11:55:56 AM

As stated, it simple. Create the raid container via the raid bios. Use disk management to initialize the array, selecting GPT when asked to select a partition type.
May 4, 2012 12:09:06 PM

Hawkeye22 said:
As stated, it simple. Create the raid container via the raid bios. Use disk management to initialize the array, selecting GPT when asked to select a partition type.


Looks like you didn't read what I wrote - already RAID (checked with commando prompt) + already GPT but still it's 746GB =/

http://img339.imageshack.us/img339/900/45590489.png
a c 356 G Storage
May 4, 2012 1:57:46 PM

Yes, you need version 10.1 or later of the RST. Let us know how it goes for ya.
May 4, 2012 2:18:38 PM

working 100% now :D  even mirrored the HDDs so no prob :D 
a c 356 G Storage
May 4, 2012 2:53:11 PM

Sweet! Glad that got you working properly.
!