> In my experience, we would not normally try to mount two different
> copies of the same data at the same time on a single host.  To avoid
> confusion, we would especially not want to do this if the data represents
> two different points of time.  I would encourage you to stick with more
> traditional, tried, and true disaster recovery methods.  Remember: disaster
> recovery is almost entirely a process, not technology.

Darn straight.

Of course those administrators keep asking for it anyway.  The VxVM list
gets a somewhat consistent stream of requests asking about issues
similar to this. 

Until very recently there was no general tool to help with this.  The
unsupported method of destroying volume information to create new unique
volumes wasn't dangerous enough to keep people from using this
technique. :-)

ZFS is different enough that the techniques used on VxVM do not apply.

-- 
Darren Dunham                                           [EMAIL PROTECTED]
Senior Technical Consultant         TAOS            http://www.taos.com/
Got some Dr Pepper?                           San Francisco, CA bay area
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