linux-kernel - Re: [ANNOUNCE] Ramback: faster than a speeding bullet

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Message-Id: <200803161643.37310.phillips@phunq.net>
Date:	Sun, 16 Mar 2008 15:43:36 -0800
From:	Daniel Phillips <phillips@...nq.net>
To:	Krzysztof Halasa <khc@...waw.pl>
Cc:	David Newall <davidn@...idnewall.com>, Willy Tarreau <w@....eu>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	linux-kernel@...r.kernel.org
Subject: Re: [ANNOUNCE] Ramback: faster than a speeding bullet

On Sunday 16 March 2008 16:08, Krzysztof Halasa wrote:
> Daniel Phillips <phillips@...nq.net> writes:
> >> It could, in a bit different location maybe, but it isn't a substitute
> >> for ordered writes.
> >
> > How so?
> 
> Not sure if I understand the question correctly but obviously a pair
> (mirror) of servers running "dangerous" ramback would survive a crash
> of one machine and we could practically eliminate the probability of
> both (all) machines crashing simultaneously. However, there are
> cheaper ways to achieve similar performance and even better
> reliability - including those battery-backed (RAI)Disk controllers.

OK, so we are only searching for the cheapest way to achieve these
kinds of speeds, for some given uptime and risk level requirements.
That is a really interesting subject, but can we please leave it for a
while so I can get some work done on the code itself?

Thanks,

Daniel
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