On Tue, 10 Feb 2009, Steven Sim wrote:
> 
> I had almost used up all the available space and sought a way to 
> expand the space without attaching any additional drives.

It is good that you succeeded, but the approach you used seems really 
risky.  If possible, it is far safer to temporarily add the extra 
drive without disturbing the redundancy of your raidz1 configuration. 
The most likely time to encounter data loss is while resilvering since 
so much data needs to be successfully read.  Since you removed the 
redundancy (by intentionally causing a disk "failure"), any read 
failure could have lost files, or even the entire pool!

Bob
======================================
Bob Friesenhahn
bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/

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