Date: Mon, 11 Jul 2011 17:41:39 +1000 From: Peter Jeremy <peterjeremy@acm.org> To: freebsd-fs@freebsd.org Subject: Re: Are thumpers still interesting in 2011 ? (raidz3 on x4500 @ 3.0gbps ...) Message-ID: <20110711074139.GA77617@server.vk2pj.dyndns.org> In-Reply-To: <iuuvin$7vi$1@dough.gmane.org> References: <1309793921.2618.YahooMailRC@web120016.mail.ne1.yahoo.com> <iuuvin$7vi$1@dough.gmane.org>
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--VbJkn9YxBvnuCH5J Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2011-Jul-05 14:20:39 +0200, Ivan Voras <ivoras@freebsd.org> wrote: >It's a bit outdated, but here are the plans for a do-it-yourself=20 >slightly scaled down Thumper-like server: > >http://blog.backblaze.com/2009/09/01/petabytes-on-a-budget-how-to-build-ch= eap-cloud-storage/ Note that that article doesn't address acoustic and vibration issues. There's plenty of evidence that disks are very sensitive to vibration - even at low levels, it will adversely impact performance. Designing a box to provide optimal throughput with 48 disks is going to need a lot more attention to vibration isolation and damping than is shown. --=20 Peter Jeremy --VbJkn9YxBvnuCH5J Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (FreeBSD) iEYEARECAAYFAk4aqTMACgkQ/opHv/APuIfM9gCfT+ycQsfTKxThYDvMNywqK2zx V0AAnRp/Th26qAPyXe96F6yOXAeZ+Tuw =1ZNm -----END PGP SIGNATURE----- --VbJkn9YxBvnuCH5J--
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