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 > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss > _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss