I had a single-disk zpool (export) and was given two new disks for expanded 
storage. All three disks are identically sized, no slices/partitions. My goal 
is to create a raidz1 configuration of the three disks, containing the data in 
the original zpool.

However, I got off on the wrong foot by doing a "zpool add" of the first disk. 
Apparently this has simply increased my storage without creating a raidz config.

Unfortunately, there appears to be no simple way to just remove that disk now 
and do a proper raidz create of the other two. Nor am I clear on how 
import/export works and whether that's a good way to copy content from one 
zpool to another on a single host.

Can somebody guide me? What's the easiest way out of this mess, so that I can 
move from what is now a simple two-disk zpool (less than 50% full) to a 
three-disk raidz configuration, starting with one unused disk? In the end I 
want the three-disk raidz to have the same name (and mount point) as the 
original zpool. There must be an easy way to do this.

Thanks for any assistance.


P.S. I would appreciate being kept on the CC list for this thread to avoid 
digest mailing delays.

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