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rodenas's avatar
rodenas
Aspirant
Jul 08, 2012

What's the exact recognized size in a 3TB drive?

Hi all,

I've got a DuoV1 and I'm planning an upgrade to a DuoV2 in the future. But I'd like to change first a failing 2TB disk. If a buy a 3TB disk and use it in the DuoV1, will it be recognized as a 2TB drive or less than a 1TB as some people suggest?

TIA, greetings.

7 Replies

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  • StephenB's avatar
    StephenB
    Guru - Experienced User
    The V1 doesn't support 3 TB drives. I think you get about 766 GB available space if you try to use one.
  • The problem is that any disk over 2TB requires a formatting technique (GPID) that the sparc based units cannot support. They are limited to the older MBR method.
  • OK, thanks. Do you know if there is a way to set the drive into a kind of compatibility mode? (like it used to be with the 32GB or 128GB limits, if I remember well, and configurable by a jumper in the hard drive). Or use the aforementioned MBR method instead of GPID.

    Thanks again.
  • StephenB's avatar
    StephenB
    Guru - Experienced User
    I don't know of any workaround that works with the NAS.
  • Some of the earliest 3TB drives came with a PC card that had a controller to which you could attach the drive and after loading drives, the drive could be used as a secondary (not boot) drive in a PC that did not support GPID, but I haven't seen them listed in a long time.
  • StephenB's avatar
    StephenB
    Guru - Experienced User
    PapaBear wrote:
    Some of the earliest 3TB drives came with a PC card that had a controller to which you could attach the drive and after loading drives, the drive could be used as a secondary (not boot) drive in a PC that did not support GPID, but I haven't seen them listed in a long time.
    That wouldn't work in the NAS of course.
  • Of course not, but the 3TB drive won't work in older PC's either.

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