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

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Message-ID: <20080315210846.72bd28f4@the-village.bc.nu>
Date:	Sat, 15 Mar 2008 21:08:46 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Daniel Phillips <phillips@...nq.net>
Cc:	Willy Tarreau <w@....eu>, David Newall <davidn@...idnewall.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [ANNOUNCE] Ramback: faster than a speeding bullet

On Sat, 15 Mar 2008 13:25:48 -0800
Daniel Phillips <phillips@...nq.net> wrote:

> On Saturday 15 March 2008 13:56, Alan Cox wrote:
> > > RAID controllers do not have half a terabyte of RAM. Also, you are always
> > > invited to choose between speed (write back) and reliability (write through).
> > 
> > The write back ones are also battery backed properly, and will switched
> > to write through (flushing out the cache) on the first sniff of a low
> > battery signal.
> 
> In other words, exactly how ramback works.

No because you don't honour the ordering and tag boundaries as they do.

Alan
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