On Mon, Sep 24, 2012 at 3:24 PM, Christian Franke
<christian.fra...@t-online.de> wrote:
> Interesting. It may be space for some configuration data interpreted by the
> USB bridge.
I should note that this offset caused me a little grief when I first
started using the drive...

I created a GPT and a partition on the bare drive, filled it with
data, then when I put the drive in the enclosure found that my
partition table was gone. I used TestDisk from CGSecurity to locate
the ext4 partition, rebuilt the GPT (remember to overwrite the backup
GPT, otherwise tools like parted think they're dealing with a corrupt
*primary* GPT). Luckily, because the offset is 4K, my partition was
still 4K-aligned.

Do you happen to know what kind of bridge chips are typically found in
Seagate enclosures? (Anything that could lead to a datasheet, or maybe
even a driver.) I would like to be able to toggle the sector offset if
possible, and the enclosure also has some LEDs on the front (hanging
off some GPIOs I'm guessing) that might be fun to play with.

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