LVM - How to resize a volume group?

Brian Tillman mailinglists at briantillman.com
Sun May 25 16:02:32 UTC 2008


Hi Dejan,

Can you be more clean on your goal, I understand you'd like to create  
a new filesystem?

Please provide output of the following two commands:

vgdisplay
lvdisplay

Brian


On May 25, 2008, at 8:59 AM, Dejan Čabrilo wrote:

> Hello all,
>
> I'm new to LVM so my terminology and understanding may be wrong, but
> let me try to ask the question:
>
> * I currently have two partitions on a hard disk: sda1 (/boot) and  
> sda2.
> * sda2 holds a logical volume group (VolGroup00), which holds 3  
> volumes.
> * I would like to shrink the volume group VolGroup00 (sda2), in order
> to free up some space on the hard disk, and create sda3 partition
>
> I know I can free up some space on VolGroup00 (shrink one of the
> volumes). But, how can I non-destructively resize the volume group
> itself? What would be the steps involved?
>
> Thank you,
> Dejan Čabrilo
>
> P.S. Obviously, there are workarounds like using a second HD to move
> all my stuff there and then create a new setup, but I'd like to do it
> without any workarounds, if possible.
>
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