dd is probably the best way right now.


in the future, the clone would probably take the form:

prompt> lvconvert -m1 vg/lv; (wait for sync); lvsplit vg/lv


The syntax isn't worked out yet and lvsplit is not there yet... but we
have talked about doing something like that.


 brassow



On Apr 26, 2006, at 5:55 PM, Greg Hartzog wrote:


<excerpt><fontfamily><param>Arial</param><bigger><bigger>Hello there
folks.  I have a question.</bigger></bigger></fontfamily>

<fontfamily><param>Arial</param><bigger><bigger> </bigger></bigger></fontfamily>

<fontfamily><param>Arial</param><bigger><bigger>I am looking for a
better way of cloning logical volumes then creating a new logical
volume, identical to a source logical volume, and using “dd” to copy
data between the two logical volumes.</bigger></bigger></fontfamily>

<fontfamily><param>Arial</param><bigger><bigger> </bigger></bigger></fontfamily>

<fontfamily><param>Arial</param><bigger><bigger>I would love to use
dm-mirror to do this, but I do not think any interface has been
provided to do this yet.</bigger></bigger></fontfamily>

<fontfamily><param>Arial</param><bigger><bigger> </bigger></bigger></fontfamily>

<fontfamily><param>Arial</param><bigger><bigger>All suggestions and
ideas appreciated.</bigger></bigger></fontfamily>

<fontfamily><param>Arial</param><bigger><bigger> </bigger></bigger></fontfamily>

<fontfamily><param>Arial</param><bigger><bigger>I am running
lvm2-2.02.04-r1 & 2.6.15 kernel.</bigger></bigger></fontfamily>

<fontfamily><param>Arial</param><bigger><bigger> </bigger></bigger></fontfamily>

<fontfamily><param>Arial</param><bigger><bigger>Thanks!</bigger></bigger></fontfamily>

<fontfamily><param>Arial</param><bigger><bigger> </bigger></bigger></fontfamily>

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read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/</excerpt>