[OpenIndiana-discuss] Seagate 3000GB Drive only shows 746GB

Rainer Heilke rheilke at dragonhearth.com
Fri Sep 28 22:50:25 UTC 2012

Bingo! I unplugged one of my internal data drives (after removing it 
from the ZFS mirror) and hooked up the 3TB drive.

Went into the BIOS: 3TB
Went into format: 3TB
Did a zpool create, there is a new 2.72TB pool.

Yippee! Thank you!

Now I get to spend the next month moving drives and data around. :-( Too 
bad OI can't use my new (and seemingly useless) Vantec SATA card. :-(


On 9/28/2012 12:32 PM, Volker A. Brandt wrote:
> Hi Rainer!
>> This is a USB-attached drive
>> (in a SATA/USB enclosure)
> Are you sure the controller chip in your SATA/USB enclosure can
> deal with more than 2TB of disk?
> All such enclosures I have either truncate at 2TB or worse, they wrap
> around.  A disk with 3000GB (decimal) will give you just short of
> 2794GB (binary), and wrapped around 2TB will give you 746GB.
> So I am quite sure the controller chip in your enclosure is to blame.
> Regards -- Volker

Mind the Gap
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