On 14.07.2013 00:57, c.monty wrote:
> On my new HDD WD30EZRX I created a GPT partition table and formatted it with
> Then I put some data (approx. 2.4TB) on that new partition.
> However, after restarting the system the disk is identified of size 2TB
> /knoppix@Microknoppix:~$ sudo fdisk -l
> Disk /dev/sda: 2000.4 GB, 2000421444608 bytes
Kernel reports the disc as 2TB.
> My understanding of the issue is:
> 1. The HDD is not identified correctly by the mainboard/Bios with 3TB. This
BIOS isn't important for Linux (in that case). It just has to boot
Linux, after that BIOS is out of the picture (for storage).
> is confirmed by the hardware vendor of my mainboard "Gigabyte P35-DS4",
> means the limit is 2.2TB
P35 sounds too old for me. AFAIR older Intel-Hardware has a problem with
the 2TiB Barrier.
For the 2TiB-Barrier you need a recent system, something younger than
about 2-3 years. Most hardware older can't cope with discs bigger than
> How can I recover the data?
> Should I simply create a new partition table either with gdisk or parted?
> Can I make a low-level copy using dd starting from sector 2048 until the end
> to another HDD WD30EZRX (that I have available) and then mount that
> Or are there any other options?
Just plug it into a more recent system, it should "just work".