On Wed, 2011-07-06 at 15:20 +0600, Roman Mamedov wrote:
> On Wed, 06 Jul 2011 08:11:16 +0100
> "Tyler J. Wagner" <tyler@xxxxxxxxxxx> wrote:
>
> > Metadata 1.2 puts the data 4K from the start of the device/partition.
>
> This is not correct. See mdadm -E /dev/sdX.
>
> $ sudo mdadm -E /dev/sdc3
> /dev/sdc3:
> ...
> Version : 1.2
> ...
> Data Offset : 2048 sectors
> ...
That is very interesting. The mdadm man page, and everything I've seen
online, all say "The different sub-versions store the superblock at
different locations on the device, either at the end (for 1.0), at the
start (for 1.1) or 4K from the start (for 1.2)."
Regards,
Tyler
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