From owner-freebsd-questions@FreeBSD.ORG Fri Jun 13 14:16:43 2008 Return-Path: Delivered-To: questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0E986106566B for ; Fri, 13 Jun 2008 14:16:43 +0000 (UTC) (envelope-from kirk@strauser.com) Received: from kanga.honeypot.net (kanga.honeypot.net [206.29.77.83]) by mx1.freebsd.org (Postfix) with ESMTP id ACB958FC27 for ; Fri, 13 Jun 2008 14:16:42 +0000 (UTC) (envelope-from kirk@strauser.com) Received: from localhost (localhost [127.0.0.1]) by kanga.honeypot.net (Postfix) with ESMTP id E11895DDE67; Fri, 13 Jun 2008 09:09:43 -0500 (CDT) X-Virus-Scanned: amavisd-new at honeypot.net Received: from kanga.honeypot.net ([127.0.0.1]) by localhost (kanga.honeypot.net [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id h1ciCdgWl3ZO; Fri, 13 Jun 2008 09:09:41 -0500 (CDT) Received: from janus.daycos.com (janus.daycos.com [10.45.12.2]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by kanga.honeypot.net (Postfix) with ESMTPSA id 45B6A5DCD39; Fri, 13 Jun 2008 09:09:40 -0500 (CDT) From: Kirk Strauser To: freebsd-questions@freebsd.org Date: Fri, 13 Jun 2008 09:09:37 -0500 User-Agent: KMail/1.9.9 References: <200806121521.16237.kirk@strauser.com> <20080613090714.K4713@wojtek.tensor.gdynia.pl> <20080613140130.GA8616@Grumpy.DynDNS.org> In-Reply-To: <20080613140130.GA8616@Grumpy.DynDNS.org> X-Face: T+/_{qmjgbosI0J/e83I~w[&VF'w)!((xEpj///^bA/6?jHHS?nq+T8_+`nh"WnEWCWG, \}]Y2$)) =?utf-8?q?vLVz4ACChrEcb=7DCO=5EtYmMG=5C=0A=09ts=2Em=3F=5B7=5B6OwE*dAJ*9f+m?= =?utf-8?q?X=2E7R32qeN=5EDJ=5C?=(k@evW?IRQCy.^ MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart12929735.IXnMKK0ORF"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200806130909.38419.kirk@strauser.com> Cc: Wojciech Puchar , David Kelly , FreeBSD Questions Subject: Re: Stripe sizes with gstripe X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Jun 2008 14:16:43 -0000 --nextPart12929735.IXnMKK0ORF Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Friday 13 June 2008, David Kelly wrote: > Still, I don't understand what is going on when I use md5(1) on a > gigabyte file hosted on a gstripe partition with 128k stripes that > "systat -v" reports transactions are usually between 42k and 43k each? Even more unlikely, why are *my* numbers almost identical to yours? Here's= =20 a snapshot of mine at this very second: Disks da0 da1 da2 da3 da4 KB/t 26.77 42.05 41.70 41.98 41.70 where da[1-4] are my gstripe providers with a 128KB stripe size. I find it= =20 unlikely that our workloads are so similar that we'd coincidentally have=20 almost the exact same values. =2D-=20 Kirk Strauser --nextPart12929735.IXnMKK0ORF Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- iD8DBQBIUn+i5sRg+Y0CpvERAr3yAJ9jFO/XlXFhF/e1IT7dOADYWR88hQCfS1zl 8bO3ccN5GO179KX9bcTDQug= =SGMB -----END PGP SIGNATURE----- --nextPart12929735.IXnMKK0ORF--