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Date: Sun, 09 Jan 2011 14:50:02 +0900
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From: Randy Bush <randy@psg.com>
To: Chris Forgeron <cforgeron@acsi.ca>
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Cc: FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org>
Subject: Re: ZFS - moving from a zraid1 to zraid2 pool with 1.5tb disks
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given i have raid or raidz1, can i move to raidz2?

# zpool status 
  pool: tank
 state: ONLINE
 scrub: none requested
config:

        NAME        STATE     READ WRITE CKSUM
        tank        ONLINE       0     0     0
          raidz1    ONLINE       0     0     0
            ad4s2   ONLINE       0     0     0
            ad8s2   ONLINE       0     0     0
            ad6s1   ONLINE       0     0     0
            ad10s1  ONLINE       0     0     0

or

# zpool status
  pool: tank
 state: ONLINE
 scrub: none requested
config:

        NAME              STATE     READ WRITE CKSUM
        tank              ONLINE       0     0     0
          mirror          ONLINE       0     0     0
            label/disk01  ONLINE       0     0     0
            label/disk00  ONLINE       0     0     0
          mirror          ONLINE       0     0     0
            label/disk02  ONLINE       0     0     0
            label/disk03  ONLINE       0     0     0

randy