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From: Jonathan E Brassow <jbrassow@redhat.com>
Subject: Re: [linux-lvm] Cloning Logical Volumes
Date: Thu, 27 Apr 2006 17:21:26 -0500
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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=20=

have talked about doing something like that.

  brassow


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

> Hello there folks.=A0 I have a question.
> =A0
> I am looking for a better way of cloning logical volumes then creating=20=

> a new logical volume, identical to a source logical volume, and using=20=

> =93dd=94 to copy data between the two logical volumes.
> =A0
> I would love to use dm-mirror to do this, but I do not think any=20
> interface has been provided to do this yet.
> =A0
> All suggestions and ideas appreciated.
> =A0
> I am running lvm2-2.02.04-r1 & 2.6.15 kernel.
> =A0
> Thanks!
> =A0
> _______________________________________________
> linux-lvm mailing list
> linux-lvm@redhat.com
> https://www.redhat.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/=

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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.=A0 I have a question.</bigger></bigger></fontfamily>

=
<fontfamily><param>Arial</param><bigger><bigger>=A0</bigger></bigger></fon=
tfamily>

<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 =93dd=94 to copy
data between the two logical volumes.</bigger></bigger></fontfamily>

=
<fontfamily><param>Arial</param><bigger><bigger>=A0</bigger></bigger></fon=
tfamily>

<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>=A0</bigger></bigger></fon=
tfamily>

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

=
<fontfamily><param>Arial</param><bigger><bigger>=A0</bigger></bigger></fon=
tfamily>

<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>=A0</bigger></bigger></fon=
tfamily>

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

=
<fontfamily><param>Arial</param><bigger><bigger>=A0</bigger></bigger></fon=
tfamily>

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

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