From owner-freebsd-fs@FreeBSD.ORG Fri Aug 6 13:50:14 2010 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0FD311065677 for ; Fri, 6 Aug 2010 13:50:14 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: from mail.garage.freebsd.pl (chello089077043238.chello.pl [89.77.43.238]) by mx1.freebsd.org (Postfix) with ESMTP id 4E4988FC21 for ; Fri, 6 Aug 2010 13:50:13 +0000 (UTC) Received: by mail.garage.freebsd.pl (Postfix, from userid 65534) id BBEF345E49; Fri, 6 Aug 2010 15:50:11 +0200 (CEST) Received: from localhost (pdawidek.wheel.pl [10.0.1.1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.garage.freebsd.pl (Postfix) with ESMTP id CC21D45CD8; Fri, 6 Aug 2010 15:50:07 +0200 (CEST) Date: Fri, 6 Aug 2010 15:50:01 +0200 From: Pawel Jakub Dawidek To: Thomas Rasmussen Message-ID: <20100806135001.GF1710@garage.freebsd.pl> References: <4C57E20E.2030908@gibfest.dk> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="5Mfx4RzfBqgnTE/w" Content-Disposition: inline In-Reply-To: <4C57E20E.2030908@gibfest.dk> User-Agent: Mutt/1.4.2.3i X-PGP-Key-URL: http://people.freebsd.org/~pjd/pjd.asc X-OS: FreeBSD 9.0-CURRENT amd64 X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on mail.garage.freebsd.pl X-Spam-Level: X-Spam-Status: No, score=-5.9 required=4.5 tests=ALL_TRUSTED,BAYES_00 autolearn=ham version=3.0.4 Cc: freebsd-fs@freebsd.org Subject: Re: HAST initial sync speed X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Aug 2010 13:50:14 -0000 --5Mfx4RzfBqgnTE/w Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Aug 03, 2010 at 11:31:58AM +0200, Thomas Rasmussen wrote: > Hello list, >=20 > I finally got my ZFS/HAST setup up and running, or trying to at least. > I am wondering how fast the initial HAST sync normally is - I created > these 4 HAST providers yesterday on 4 146 gig drives, and they still each > have over 90 gigabytes 'dirty' today. The machines are powerful (dell > r710) and are otherwise idle, and they are connected to the same gigabit > switch. >=20 > I can supply details about any part of the configuration if needed, but I > just wanted to ask if you guys believe something is wrong here. I can't h= elp > but think, if the initial sync takes 24+ hours, then if I ever need to > replace one of the servers, I will be without redundancy until the new > server reaches 0 'dirty' bytes, correct ? Correct, but synchronizartion should take much, much less time. Is dirty count actually decreasing? --=20 Pawel Jakub Dawidek http://www.wheelsystems.com pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --5Mfx4RzfBqgnTE/w Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (FreeBSD) iEYEARECAAYFAkxcEwgACgkQForvXbEpPzQbmwCdEpUp8qj2YlQKkwLMLCkbxabk 4lUAnA+XsmraWYclHht0q2wAXFLI7t3A =inN/ -----END PGP SIGNATURE----- --5Mfx4RzfBqgnTE/w--