[i]Enterprise feature questions), but it's possible now to expand a pool
containing raidz devs-- and this is the more likely case with
enterprise users:

<pre># ls -lh /var/tmp/fakedisk/
total 1229568
-rw------T 1 root root 100M Jan 9 20:22 disk1
-rw------T 1 root root 100M Jan 9 20:22 disk2
-rw------T 1 root root 100M Jan 9 20:22 disk3
-rw------T 1 root root 100M Jan 9 20:22 disk4
-rw------T 1 root root 100M Jan 9 20:22 disk5
-rw------T 1 root root 100M Jan 9 20:22 disk6
# zpool create test raidz /var/tmp/fakedisk/disk1 /var/tmp/fakedisk/disk2 
/var/tmp/fakedisk/disk3
# zpool list test
NAME SIZE USED AVAIL CAP HEALTH ALTROOT
test 286M 155K 286M 0% ONLINE -
# zpool add test raidz /var/tmp/fakedisk/disk4 /var/tmp/fakedisk/disk5 
/var/tmp/fakedisk/disk6
# zpool list test
NAME SIZE USED AVAIL CAP HEALTH ALTROOT
test 572M 159K 572M 0% ONLINE -

</pre>[/i]

Does this mean I can expand a raidz pool?  That I could take my 3 disk raidz 
and add a 4th disk into the pool?
 
 
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