Date: Sat, 9 Feb 2019 10:16:06 +0100 From: Matthias Fechner <idefix@fechner.net> To: Anders Jensen-Waud <anders@jensenwaud.com>, freebsd-questions@freebsd.org Subject: Re: Expand capacity of raidz1 pool Message-ID: <facfb4db-0997-4ad8-fb9e-9b5a3220f9eb@fechner.net> In-Reply-To: <D735B6CE-7213-47F2-8422-3033DB893D26@jensenwaud.com> References: <D735B6CE-7213-47F2-8422-3033DB893D26@jensenwaud.com>
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Am 08.02.2019 um 23:44 schrieb Anders Jensen-Waud: > 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. you can enable autoexpand on the pool: zpool set autoexpand=on tank Insert a new disc, create partitions and replace disc by disc with: zpool replace tank /dev/sdx /dev/sdy After the disc is replace continue with the next disc. With these steps you should be able to migrate to new discs without losing data. If you have important data on disc, you should have a backup before you start. Good luck. Gruß Matthias -- "Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the universe trying to produce bigger and better idiots. So far, the universe is winning." -- Rich Cook
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