Isn't it possible to somehow make the drive dump the firmware somehow,
edit it with a HEX editor (and recalculate firmware checksums) and flash
the modified .bin file back to the drive? I guess that the WWN must be
found in the firmware somewhere.
On 2012-10-19 02:38, Scott Marcy wrote:
FWIW, this is what Samsung tech support had to say about the SSD 840 Pro:
"The next generation Samsung SSD 840 Pro series will have WWN. The Samsung 840 Pro
is aimed for customers who need to use them on servers which is why only the 840 Pro will
have the WWN identifier."
Guess I'll get in line for a few and find out.
-Scott
On Oct 17, 2012, at 11:27 AM, Scott Marcy<o...@mscott.org> wrote:
I am returning the 4 drives I planned to use in the expanders, but will keep
the two I'm using as my mirrored boot pool.
My intention was to use these are ZIL and L2ARC drives, so I can do without
them for now. I've had very good luck with these Samsung drives in non-SAS
usages—quite a bit more reliable in my (admittedly quite limited) experience
than the SanForce-based SSDs.
Here's hoping they've fixed this on the 840 Pro models.
Thank you all for your help. I learned something new and now understand why it
doesn't work. :-)
-Scott
On Oct 17, 2012, at 11:18 AM, Bob Friesenhahn<bfrie...@simple.dallas.tx.us>
wrote:
On Wed, 17 Oct 2012, Scott Marcy wrote:
I called Samsung and they basically told me there was nothing they could do.
The guy I spoke with said the 830s weren't intended to be used in servers. (He
did seem to understand what I was talking about, which was actually more than I
expected from simply picking up the phone and getting transferred twice to get
to the right department. So at least kudos to Samsung there.)
Maybe you should try to return these and get your money back. The problem does not seem
to be specific to use in a "server".
The physical block size also seems to be reported incorrectly.
Samsung cut corners by not taking the time to give each device a unique addressable ID as
part of their manufacturing process. It may even be that a step was
"accidentally" skipped in the manufacturing process (to make quotas) and that
some devices are correctly configured from the factory while others are not.
Bob
--
Bob Friesenhahn
bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
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