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Date:      Sat, 17 Sep 2022 20:45:34 -0700
From:      David Christensen <dpchrist@holgerdanske.com>
To:        questions@freebsd.org
Subject:   Re: SOHO storage server ZFS dedup vdev
Message-ID:  <dc174b8c-40dd-7610-7d23-be083d4e646b@holgerdanske.com>
In-Reply-To: <8e5c8df8-07e8-978f-09f4-55aa63f07416@holgerdanske.com>
References:  <8e5c8df8-07e8-978f-09f4-55aa63f07416@holgerdanske.com>

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On 9/1/22 13:17, David Christensen wrote:

> # freebsd-version ; uname -a
> 12.3-RELEASE-p6
> FreeBSD f3.tracy.holgerdanske.com 12.3-RELEASE-p6 FreeBSD 
> 12.3-RELEASE-p6 GENERIC  amd64

> # zfs get -d 1 all p3 | egrep 'dedup.+verify'
> p3/archive               dedup                  verify                 
> local
> p3/backup                dedup                  verify                 
> local

> I am wondering what is the best way to create the dedup vdev?


I decided to see if a 'dedup' vdev can be made from a mirror -- yes, it can:

# zpool add p3 dedup mirror gpt/ssd1 gpt/ssd2


David



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