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

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Date:	Sun, 16 Mar 2008 12:48:47 -0800
From:	Daniel Phillips <phillips@...nq.net>
To:	David Newall <davidn@...idnewall.com>
Cc:	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 Saturday 15 March 2008 22:42, David Newall wrote:
> Daniel Phillips wrote:
> > That is why I keep recommending that a ramback setup be replicated or
> > mirrored, which people in this thread keep glossing over.  When
> > replicated or mirrored, you still get the microsecond-level transaction
> > times, and you get the safety too.
> 
> Do you mean it should be replicated with a second ramback?  That would
> be pretty pointless, since all failure modes would affect both.  It's
> not like one ramback will survive a crash when the other doesn't.

A second machine running a second ramback, on a second UPS pair.
I thought that was obvious.

Daniel
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