[OpenIndiana-discuss] Harddisk > 2TB

[Sašo Kiselkov]

On 01/20/2013 03:47 PM, Jim Klimov wrote:
> On 2013-01-20 13:57, Ulrich Hagen wrote:
>> Hello everyone,
>>
>> I have recently added an Intel SASUC8I controller to my home file
>> server, and hooked up eight Western Digital Red 3000GB disks to it.
>>
>> Only after I started filling up the new pool I noticed that the
>> capacity of the pool is not what I expected it to be.
>> And really: 'format' lists e. g. one of these disks as
>>    c1t0d0 <ATA-WDC WD30EFRX-68A-0A80-2.00TB>
> 
> As a couple more wild guesses:
> 
> 1) How does (the HBA's) BIOS recognize them? Does it confirm that
> the disks are 3Tb and not mis-marked on paper label? ;)

His format print shows the model number "WD30EFRX" which is a WD Red 3TB
drive for sure (my drives show "WD20EFRX"), so unless WD mislabeled and
misflashed 8 drives at the same time, I highly doubt the drives would be
lying about their platters.

> 2) Is it possible that for some reason these disks use an MBR
> partitioning table instead of GPT? The former would max out at 2Tb.

Good call, this sounds pretty likely.

Cheers,
--
Saso