From owner-freebsd-geom@FreeBSD.ORG Wed Mar 7 20:10:06 2007 Return-Path: X-Original-To: freebsd-geom@freebsd.org Delivered-To: freebsd-geom@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 7718C16A400 for ; Wed, 7 Mar 2007 20:10:06 +0000 (UTC) (envelope-from ivoras@fer.hr) Received: from ls405.t-com.hr (ls405.t-com.hr [195.29.150.135]) by mx1.freebsd.org (Postfix) with ESMTP id ECC2C13C474 for ; Wed, 7 Mar 2007 20:10:05 +0000 (UTC) (envelope-from ivoras@fer.hr) Received: from ls248.t-com.hr (ls248.t-com.hr [195.29.150.237]) by ls405.t-com.hr (Postfix) with ESMTP id E4AF21447F0; Wed, 7 Mar 2007 21:10:03 +0100 (CET) Received: from ls248.t-com.hr (ls248.t-com.hr [127.0.0.1]) by ls248.t-com.hr (Qmlai) with ESMTP id E1E8FD5004A; Wed, 7 Mar 2007 21:10:03 +0100 (CET) Received: from ls248.t-com.hr (ls248.t-com.hr [127.0.0.1]) by ls248.t-com.hr (Qmlai) with ESMTP id D41CAD50047; Wed, 7 Mar 2007 21:10:03 +0100 (CET) X-Envelope-Sender-Info: g5URFa92gX9K/Rg9VFA/rNvWAEgfdzd4XqIsQcPMPts6StkSH1j7CT0zJW9WjWDV X-Envelope-Sender: ivoras@fer.hr Received: from [10.0.0.100] (89-172-34-24.adsl.net.t-com.hr [89.172.34.24]) by ls248.t-com.hr (Qmali) with ESMTP id 720A35E010F; Wed, 7 Mar 2007 21:10:03 +0100 (CET) Message-ID: <45EF1C1A.5080200@fer.hr> Date: Wed, 07 Mar 2007 21:10:02 +0100 From: Ivan Voras User-Agent: Thunderbird 1.5.0.10 (Windows/20070221) MIME-Version: 1.0 To: freebsd-stable@freebsd.org References: <20070306020826.GA18228@nowhere> <45ECF00D.3070101@samsco.org><20070306050312.GA2437@nowhere><008101c75fcc$210c74a0$0c00a8c0@Artem> <001a01c7601d$5d635ee0$0c00a8c0@Artem> <001801c7603a$5339e020$0c00a8c0@Artem> <20070307105144.1d4a382f@daydream.goid.lan><002801c760e2$5cb5eb50$0c00a8c0@Artem> <005b01c760e6$9a798bf0$0c00a8c0@Artem> <001601c760ee$f76fa300$0c00a8c0@Artem> In-Reply-To: <001601c760ee$f76fa300$0c00a8c0@Artem> X-Enigmail-Version: 0.94.1.2 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig2E17CBD0124FBC77F078356D" Cc: freebsd-geom@freebsd.org Subject: Re: Some Unix benchmarks for those who are interesed X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Mar 2007 20:10:06 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig2E17CBD0124FBC77F078356D Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Artem Kuchin wrote: > Now i am lost. i get 81MB/sec on dd but still you get >=20 > File Copy 1024 bufsize 2000 maxblocks 3960.0 159513.0 40= 2.8 >=20 > and i get >=20 > File Copy 1024 bufsize 2000 maxblocks 3960.0 109313.0 27= 6.0 >=20 > The drives i use are Seagate 7200.10 (320Gb, SATA II, 16MB cache > with perpendicular heads) >=20 > How is it possible that you get 2x file copy perfomance ? What's the > matter?! I don't know - what are your seek times? # diskinfo -t /dev/mirror/data /dev/mirror/data 512 # sectorsize 249999999488 # mediasize in bytes (233G) 488281249 # mediasize in sectors Seek times: Full stroke: 250 iter in 1.591444 sec =3D 6.366 msec Half stroke: 250 iter in 1.468315 sec =3D 5.873 msec Quarter stroke: 500 iter in 2.828050 sec =3D 5.656 msec Short forward: 400 iter in 2.958083 sec =3D 7.395 msec Short backward: 400 iter in 2.465687 sec =3D 6.164 msec Seq outer: 2048 iter in 0.337428 sec =3D 0.165 msec Seq inner: 2048 iter in 0.384791 sec =3D 0.188 msec Transfer rates: outside: 102400 kbytes in 1.737217 sec =3D 58945 kbyte= s/sec middle: 102400 kbytes in 1.811793 sec =3D 56519 kbyte= s/sec inside: 102400 kbytes in 2.938688 sec =3D 34845 kbyte= s/sec drives: ad4: 238418MB at ata2-master SATA150 ad6: 238418MB at ata3-master SATA150 --------------enig2E17CBD0124FBC77F078356D Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFF7xwaldnAQVacBcgRAj2wAJ9xRLIzPvUoLN9vINk5dmKyzcBdbACfQYrM 0Q+eBpUlFJiWTLQ7qX6n+1I= =O4a7 -----END PGP SIGNATURE----- --------------enig2E17CBD0124FBC77F078356D--