From: "C." Bergström <cbergstrom@netsyncro.com>
To: pgsql-performance <pgsql-performance@postgresql.org>
Subject: Re: Anyone using a SAN?
Date: Wed, 20 Feb 2008 14:52:42 +0100
Message-ID: <1203515562.6611.113.camel@chaos> (raw)
In-Reply-To: <Pine.LNX.4.64.0802201338470.20402@aragorn.flymine.org>
References: <4544e0330802130856t10582294lfa93bc91e234ed01@mail.gmail.com>
<20080213210655.GL9596@mail.nordicbet.com>
<47B41414.9030004@enterprisedb.com>
<4544e0330802181344q2d98560du6bd4e481a9c9439f@mail.gmail.com>
<Pine.LNX.4.64.0802201338470.20402@aragorn.flymine.org>
On Wed, 2008-02-20 at 13:41 +0000, Matthew wrote:
> On Mon, 18 Feb 2008, Peter Koczan wrote:
> > One of the other things I was interested in was the "hidden costs" of
> > a SAN. For instance, we'd probably have to invest in more UPS capacity
> > to protect our data. Are there any other similar points that people
> > don't initially consider regarding a SAN?
>
> You may well find that the hardware required in each machine to access the
> SAN (fibrechannel cards, etc) and switches are way more expensive than
> just shoving a cheap hard drive in each machine. Hard drives are
> mass-produced, and remarkably cheap for what they do. SAN hardware is
> specialist, and expensive.
Can be, but may I point to a recent posting on Beowulf ml [1] and the
article it references [2] Showing that the per node price of SDR IB has
come down far enough to in some cases compete with GigE. ymmv, but I'm
in the planning phase for a massive storage system and it's something
we're looking into. Just thought I'd share
Success!
./C
[1]
http://www.mirrorservice.org/sites/www.beowulf.org/archive/2008-January/020538.html
[2] http://www.clustermonkey.net/content/view/222/1/
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-performance@postgresql.org
Cc: cbergstrom@netsyncro.com
Subject: Re: Anyone using a SAN?
In-Reply-To: <1203515562.6611.113.camel@chaos>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox