From owner-freebsd-questions Thu Aug 2 18:21: 1 2001 Delivered-To: freebsd-questions@freebsd.org Received: from smtp3.mx.pitdc1.stargate.net (smtp3.mx.pitdc1.stargate.net [206.210.69.143]) by hub.freebsd.org (Postfix) with SMTP id EF91037B401 for ; Thu, 2 Aug 2001 18:20:57 -0700 (PDT) (envelope-from mav@wastegate.net) Received: (qmail 15386 invoked from network); 3 Aug 2001 01:19:37 -0000 Received: from unknown (HELO mother) (216.151.64.147) by smtp3.mx.pitdc1.stargate.net with SMTP; 3 Aug 2001 01:19:37 -0000 From: "Doug Reynolds" To: "Christopher Farley" , "freebsd-questions@freebsd.org" Date: Thu, 02 Aug 2001 21:16:53 -0400 Reply-To: "Doug Reynolds" X-Mailer: PMMail 98 Professional (2.01.1600) For Windows 98 (4.10.2222) MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Subject: Re: Cloning a hard drive - performance issues Message-Id: <20010803012058.EF91037B401@hub.freebsd.org> Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Thu, 2 Aug 2001 19:50:19 -0500, Christopher Farley wrote: >I've got a drive that started throwing hard read errors. I'm going to >copy it onto a fresh drive. (Details below, if it's relevant.) >Using 2 ATA/66 drives, this has proven to be very, very SLOW. So I'm left >with a hardware question: >Which is faster: >a) Leave both drives on the same cable, set one as master and the other > as slave >b) Put each drive on its own cable, set them both as master >c) No difference >d) Depends on your mainboard IMHO, it probably wont make a big enough difference to notice. >Here is my 'cloning' process - perhaps this is just a slow operation: >I've prepared my new drive with fdisk, disklabel and newfs. To perform >the 'clone' I'm mounting the new filesystem on /mnt, and piping dump into >restore like this: >cd /mnt >dump -0uaf - /dev/ad0s1a | restore -rf - try theses websites for inf : http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/admin.html#NEW-HUGE -DISK http://www.mostgraveconcern.com/freebsd/bigdisk.html I just copied my 1.7 to my new 4.0g, made the slices and mnt'd them on /mnt and used the dump/restore combo listed on the first page i gave you. seemed to work good, it took a while, although. --- doug reynolds | the maverick | mav@wastegate.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message