From owner-freebsd-geom@FreeBSD.ORG Wed Dec 7 17:50:49 2005 Return-Path: X-Original-To: freebsd-geom@freebsd.org Delivered-To: freebsd-geom@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E2A3916A420; Wed, 7 Dec 2005 17:50:49 +0000 (GMT) (envelope-from oxy@field.hu) Received: from dumballah.tvnet.hu (dumballah.tvnet.hu [195.38.96.23]) by mx1.FreeBSD.org (Postfix) with ESMTP id D332843D73; Wed, 7 Dec 2005 17:50:41 +0000 (GMT) (envelope-from oxy@field.hu) Received: from localhost (localhost.localdomain [127.0.0.1]) by dumballah.tvnet.hu (Postfix) with ESMTP id 369BD101986; Wed, 7 Dec 2005 18:50:40 +0100 (CET) Received: from dumballah.tvnet.hu ([127.0.0.1]) by localhost (dumballah.tvnet.hu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 16632-25; Wed, 7 Dec 2005 18:50:40 +0100 (CET) Received: from oxy (dsl85-238-73-88.pool.tvnet.hu [85.238.73.88]) by dumballah.tvnet.hu (Postfix) with SMTP id D8E0C10195E; Wed, 7 Dec 2005 18:50:39 +0100 (CET) Message-ID: <002201c5fb56$bff37590$0201a8c0@oxy> From: "OxY" To: "Pawel Jakub Dawidek" References: <000b01c5fb3c$b47456e0$0201a8c0@oxy><20051207155133.GI53288@garage.freebsd.pl><000701c5fb4b$c2682010$0201a8c0@oxy> <20051207165538.GJ53288@garage.freebsd.pl> Date: Wed, 7 Dec 2005 18:50:45 +0100 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-2"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2527 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 X-Virus-Scanned: by amavisd-new at tvnet.hu Cc: freebsd-geom@freebsd.org Subject: Re: geom mirror write performance problem 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 Dec 2005 17:50:50 -0000 i removed the each disk from mirror one-by-one and ran the tests: (when i removed one disk from the mirror the write speed was ok, since i added it again, then they were slow.. it was no difference which disk i did removed..) Sco root# dd if=/dev/zero of=/dev/ad0 bs=1m count=1000 1000+0 records in 1000+0 records out 1048576000 bytes transferred in 35.962419 secs (29157549 bytes/sec) Sco root# dd if=/dev/zero of=/dev/ad2 bs=1m count=1000 1000+0 records in 1000+0 records out 1048576000 bytes transferred in 36.575314 secs (28668954 bytes/sec) ----- Original Message ----- From: "Pawel Jakub Dawidek" To: "OxY" Cc: Sent: Wednesday, December 07, 2005 5:55 PM Subject: Re: geom mirror write performance problem