From: Joshua D. Drake <jd@commandprompt.com>
To: Kenneth Marshall <ktm@rice.edu>
Cc: Scott Marlowe <scott.marlowe@gmail.com>
Cc: Jan-Ivar Mellingen <jan-ivar.mellingen@alreg.no>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-admin@postgresql.org
Subject: Re: linux standard layout
Date: Tue, 09 Mar 2010 13:59:13 -0800
Message-ID: <1268171953.1806.2.camel@jd-desktop.unknown.charter.com> (raw)
In-Reply-To: <20100309214330.GH19562@it.is.rice.edu>
References: <Pine.GSO.4.64.1003082243200.10671@coe.tamu.edu>
<4B95E162.7060806@djs-consulting.com>
<3769.1268115316@sss.pgh.pa.us>
<4B96AD1B.7070601@alreg.no>
<dcc563d11003091235u23423b38if274b3220d13dff7@mail.gmail.com>
<1268168772.31596.147.camel@jd-desktop.unknown.charter.com>
<dcc563d11003091325t6b659ef4x34222ed793022aa2@mail.gmail.com>
<1268170100.31596.173.camel@jd-desktop.unknown.charter.com>
<20100309214330.GH19562@it.is.rice.edu>
On Tue, 2010-03-09 at 15:43 -0600, Kenneth Marshall wrote:
> On Tue, Mar 09, 2010 at 01:28:20PM -0800, Joshua D. Drake wrote:
> > On Tue, 2010-03-09 at 14:25 -0700, Scott Marlowe wrote:
> > > On Tue, Mar 9, 2010 at 2:06 PM, Joshua D. Drake <jd@commandprompt.com> wrote:
> > > > On Tue, 2010-03-09 at 13:35 -0700, Scott Marlowe wrote:
> > > >
> > > >> > In a nutshell, I am heartly recommending virtualization.
> > > >>
> > > >> In a nutshell, you are relying on luck that both heavy iron machines
> > > >> can't lose power at the same time. Sure, it's a low possibility, but
> > > >> it's still a real one.
> > > >>
> > > >
> > > > Not luck. Percentage of risk.
> > >
> > > They're both ways of saying you're rolling the dice. And in every
> > > situation we're rolling the dice, it's just a question of how many and
> >
> > Well my point was all about risk versus reward. For many, a 3% risk is
> > more than appropriate. That isn't luck, it is a calculation of risk.
> >
> True, but in many cases the analysis of risk/reward is flawed by not
> including the true cost of a protracted outage. Some of the second
> order effects can be nasty if not included originally. I would also
> recommend that the analysis and implementation be signed-off at the
> highest levels -- that is where the head-hunting will start.
I concur with that... Always have a CYA document.
Joshua D. Drake
>
> Cheers,
> Ken
>
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To: pgsql-admin@postgresql.org
Cc: jd@commandprompt.com, ktm@rice.edu, scott.marlowe@gmail.com, jan-ivar.mellingen@alreg.no, tgl@sss.pgh.pa.us
Subject: Re: linux standard layout
In-Reply-To: <1268171953.1806.2.camel@jd-desktop.unknown.charter.com>
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