Re: [Xen-users] what's correct way of shrinking LVM based domU?

[John Haxby <john.haxby@xxxxxxxxxx>]

Jean Charles Delepine wrote:
> Rudi Ahlers <Rudi@xxxxxxxxxxx> écrivait (wrote) :
>
>   
> > This is what I have:
> >
> > [root@cPanel002 ~]# [root@HF-LINSRV01 ~]# lvscan
> >  ACTIVE            '/dev/data/cpanel002' [100.00 GB] inherit
> >  ACTIVE            '/dev/data/windows2003_web' [30.00 GB] inherit
> >  ACTIVE            '/dev/data/storage' [50.00 GB] inherit
> >  ACTIVE            '/dev/data/cacti' [20.00 GB] inherit
> >  ACTIVE            '/dev/data/cpanel2' [30.00 GB] inherit
> >  ACTIVE            '/dev/system/root' [39.06 GB] inherit
> >  ACTIVE            '/dev/system/swap' [9.75 GB] inherit
> >
> >
> > I need to resize the 100GB /dev/data/cpanel002
> >     
> 1) shutdown the domu : xm shutdown 'name of domu'
>    wait for the domu to be shutdown  (xm list)
> 2) reduce the filesystem : 
>    If it's ext3 :
>       e2fsck -f -y /dev/data/cpanel00
>       resize2fs -p /dev/data/cpanel00 90G
>   
It's not, it's a disk image with two paritions, one of which is ext3, 
the other is a physical volume.  That's what makes it so complicated.
> 3) reduce the logical volume :
>       lvreduce -L 90G /dev/data/cpanel00
>
> 4) restart the domu.
>
>               Jean Charles
>   
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