Date: Sat, 8 Jan 2022 18:11:54 -0800 From: Mel Pilgrim <list_freebsd@bluerosetech.com> To: freebsd-questions@freebsd.org Subject: Can I add a raidz vdev as a mirror of existing vdevs Message-ID: <81940818-6aaf-1a11-dd71-86eb5c51cab5@bluerosetech.com>
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I have a zpool with a "stripe of mirrors" structure:
mech
mirror-0
disk0
disk1
mirror-1
disk2
disk3
...
I want to convert it from mirrors to raidz as part of an upgrade, with
the final form looking something like this:
mech
raidz-0
disk20
disk21
...
I'd like to be able to attach the new raidz vdev as a mirror to the
entire pool, have it silver, then detach the old vdevs. Is this at all
possible? I'd rather not create a whole new pool and copy everything
over because doing so would require downtime.
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