On Thu, Jan 14, 2010 at 10:02 PM, Christopher George
<cgeo...@ddrdrive.com> wrote:
>> That's kind of an overstatement. NVRAM backed by on-board LI-Ion
>> batteries has been used in storage industry for years;
>
> Respectfully, I stand by my three points of Li-Ion batteries as they relate
> to enterprise class NVRAM: ignition risk, thermal wear-out, and
> proprietary design.  As a prior post stated, there is a dearth of published
> failure statistics of Li-Ion based BBUs.

Why not enlighten EMC/NTAP on this then?

>
>> I can easily point out a company that has shipped tens of
>> thousands of such boards over last 10 years.
>
> No argument here, I would venture the risks for consumer based Li-Ion
> based products did not become apparent or commonly accepted until
> the user base grew several orders of magnitude greater than "tens of
> thousands".
>
> For the record, I agree there is a marked convenience with an integrated
> high energy Li-Ion battery solution - but at what cost?

Um, with Li-Ion battery in each and every of a billions of cell phones
out there ...

>
> We chose an external solution because it is a proven and industry
> standard method of enterprise class data backup.

Could you please elaborate on the last statement, provided you meant
anything beyond "UPS is a power-backup standard"?

Regards,
Andrey

>
> Thanks,
>
> Christopher George
> Founder/CTO
> www.ddrdrive.com
> --
> This message posted from opensolaris.org
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