[OpenIndiana-discuss] Only one SSD detected on expander

Roy Sigurd Karlsbakk roy at karlsbakk.net
Sat Oct 20 08:22:41 UTC 2012


It's probably easier to return the drive and get something not labelled Samsung…

----- Opprinnelig melding -----
> 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<oi at 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<bfriesen at 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
> >>> bfriesen at simple.dallas.tx.us,
> >>> http://www.simplesystems.org/users/bfriesen/
> >>> GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
> >>>
> >>> _______________________________________________
> >>> OpenIndiana-discuss mailing list
> >>> OpenIndiana-discuss at openindiana.org
> >>> http://openindiana.org/mailman/listinfo/openindiana-discuss
> >>
> >> _______________________________________________
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> >> http://openindiana.org/mailman/listinfo/openindiana-discuss
> >
> > _______________________________________________
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> > http://openindiana.org/mailman/listinfo/openindiana-discuss
> >
> > .
> >
> 
> 
> 
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Vennlige hilsener / Best regards

roy
--
Roy Sigurd Karlsbakk
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roy at karlsbakk.net
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