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Date:      Fri, 8 Feb 2019 23:15:18 -0800
From:      David Christensen <dpchrist@holgerdanske.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: Expand capacity of raidz1 pool
Message-ID:  <9c146adc-a95f-c065-6f45-3e652885b875@holgerdanske.com>
In-Reply-To: <D735B6CE-7213-47F2-8422-3033DB893D26@jensenwaud.com>
References:  <D735B6CE-7213-47F2-8422-3033DB893D26@jensenwaud.com>

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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



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