From owner-freebsd-questions@freebsd.org Sat Feb 9 07:15:22 2019 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 8E34114D9792 for ; Sat, 9 Feb 2019 07:15:22 +0000 (UTC) (envelope-from dpchrist@holgerdanske.com) Received: from holgerdanske.com (holgerdanske.com [IPv6:2001:470:0:19b::b869:801b]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "www.holgerdanske.com", Issuer "www.holgerdanske.com" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id C51078822C for ; Sat, 9 Feb 2019 07:15:21 +0000 (UTC) (envelope-from dpchrist@holgerdanske.com) Received: from 99.100.19.101 ([99.100.19.101]) by holgerdanske.com with ESMTPSA (ECDHE-RSA-AES128-GCM-SHA256:TLSv1.2:Kx=ECDH:Au=RSA:Enc=AESGCM(128):Mac=AEAD) (SMTP-AUTH username dpchrist@holgerdanske.com, mechanism PLAIN) for ; Fri, 8 Feb 2019 23:15:19 -0800 Subject: Re: Expand capacity of raidz1 pool To: freebsd-questions@freebsd.org References: From: David Christensen Message-ID: <9c146adc-a95f-c065-6f45-3e652885b875@holgerdanske.com> Date: Fri, 8 Feb 2019 23:15:18 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 09 Feb 2019 07:15:22 -0000 On 2/8/19 2:44 PM, Anders Jensen-Waud wrote: > Hello there > I have a 1 TB raidz1 pool on FreeBSD 11 (root on separate volume). I need more capacity and am looking to migrate to a mirror with 10 TB (min). > How do I migrate the raidz1 pool to a new pool? > Constraint: I only have capacity for 4 drives in the machine. 3 are currently occupied (root is on a small ssd). This will be important during the migration period. > Best > Anders Backup data, backup configuration settings, remove old disks, install new disks, build new pool, restore data, configure as necessary, and validate. David