From owner-freebsd-questions@FreeBSD.ORG Sat Jan 15 14:05:58 2005 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9440416A4CE for ; Sat, 15 Jan 2005 14:05:58 +0000 (GMT) Received: from smtp100.rog.mail.re2.yahoo.com (smtp100.rog.mail.re2.yahoo.com [206.190.36.78]) by mx1.FreeBSD.org (Postfix) with SMTP id 00B3443D31 for ; Sat, 15 Jan 2005 14:05:58 +0000 (GMT) (envelope-from derekm.nospam@rogers.com) Received: from unknown (HELO chesed.razorfever.net) (plick@rogers.com@70.25.112.61 with plain) by smtp100.rog.mail.re2.yahoo.com with SMTP; 15 Jan 2005 14:05:57 -0000 Received: from [192.168.0.10] (newskool.razorfever.net [192.168.0.10]) j0FE5uin044026; Sat, 15 Jan 2005 09:05:56 -0500 (EST) (envelope-from derekm.nospam@rogers.com) Message-ID: <41E92344.6060203@rogers.com> Date: Sat, 15 Jan 2005 09:05:56 -0500 From: Derek User-Agent: Mozilla Thunderbird 1.0 (Windows/20041206) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Toomas Aas , questions@freebsd.org References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: clamd / ClamAV version 0.70, clamav-milter version 0.70j Subject: Re: dump performance X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 15 Jan 2005 14:05:58 -0000 Toomas Aas wrote: > # cd /mnt/usr > # dump 0af - /usr | restore xf - > Are these speeds normal for dump, or am I missing something? I would think not, but let's find out. When you are running the above series of commands, can you instead do this: # cd /mnt/usr # mount # dump 0af - /usr | restore xf - & # iostat -c10 Give us the output of mount, and first 10 samples from iostat to see what kind of throughput you are getting, and how the filesystems are mounted. I don't know how many recommendations I'll be able to suggest after that, but it will show us more what's going on. Cheers, Derek