Windows Vista Forums

Maximum Drive Size Allowable?
  1. 07 Nov 2008 #1


    Mr.DOug Guest

    Maximum Drive Size Allowable?

    I've got a Vista 64bit Ultimate machine with an Adaptec RAID card in it. I've
    tried several array sizes even a (RAID0 4TB), but the maximum that Vista
    displays in Disk Management is 2TB. Whuddup with that?



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  2. 07 Nov 2008 #2
    NormCameron's Avatar
    NormCameron

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    Re: Maximum Drive Size Allowable?

    I believe the 2 Terrabyte limitation in Vista applies to a system or Boot disk. This might be worth a read

    Windows and GPT FAQ: Version 1.1

    Last edited by NormCameron; 07 Nov 2008 at 03:33 PM.
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  3. 07 Nov 2008 #3


    SCSIraidGURU

    Senior Member
    Join Date : May 2008
    Posts : 1,823
    Vista x64 Ultimate
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    Re: Maximum Drive Size Allowable?

    2TB is a NTFS limitation. WinFS was suppose to be 16EB, 16,000 TB. I would not recommend a OS partition on RAID 0 of 2 TB. I would do RAID 1 for OS for fault tolerance and recovery from a drive failure or cabling issue.

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