Hey Bryan:

Actually, you can make any single-drive volume into a ZFS mirror simply by
using 'zfs attach' command.

Check out this blog post (the blog, in general, I've found to be a fun
read):

http://prefetch.net/blog/index.php/2007/01/04/adding-a-mirror-to-a-device-in-a-zfs-pool/

Regards,
Jeff

--- Bryan Rehbein <[EMAIL PROTECTED]> wrote:

> I have installed NexentaCP 1.0, I installed with a 2-drive mirror and
> have
> been testing how the server would deal with a drive failure (I removed
> the
> SATA drive).  Everything worked fine until I wanted to restore the second
> drive in the mirror, eventually ended up without a mirror on syspool.  I
> was following various ZFS documentation, trying zpool replace, and
> eventually did a zpool remove.
> 
> Is there a way to make a 1-drive syspool into a 2-drive mirror?  Also,
> what
> is the proper recovery procedure to 'replace' the faulted drive?  I am
> trying to become familiar with my server, NexentaCP and ZFS before the
> server becomes a production machine in about 1 week.
> 
> -Bryan
> 
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