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[Xen-users] How to expand LVM without create new drive?

To: xen-users@xxxxxxxxxxxxxxxxxxx
From: Wendy William <kotakomputer@xxxxxxxxx>
Date: Thu, 1 Sep 2011 00:15:13 +0800 (SGT)
Delivery-date: Wed, 31 Aug 2011 09:16:25 -0700
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List-id: Xen user discussion <xen-users.lists.xensource.com>

I now how to expand a LVM by creating a new drive as described here: 
http://lists.centos.org/pipermail/centos/2007-February/032664.html, the steps 
are:

# pvcreate /dev/sda3
# vgextend VolGroup00 /dev/sda3 

Now, I want to know how to expand a LVM without create /dev/sda3?

Suppose I have 2 GB free (unpartitioned) and LVM use /dev/sda2 (8 GB). How to 
make /dev/sda2 become 10 GB? Then resize LVM to 10 GB.

 Regards, Wendy


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