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Re: [Xen-users] Error during guided partitioning

To: Ryan Chan <ryanchan404@xxxxxxxxx>
Subject: Re: [Xen-users] Error during guided partitioning
From: "Fajar A. Nugraha" <fajar@xxxxxxxxx>
Date: Thu, 26 Aug 2010 07:08:34 +0700
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On Wed, Aug 25, 2010 at 10:36 PM, Ryan Chan <ryanchan404@xxxxxxxxx> wrote:
> I am installing Ubuntu 10.04 in CentOS 5.4 (dom0), everything ok until
> it tell me to create a partition.
> (I am using LVM)
> Error message:
>  Error informing the kernel about modifications to partition
>  /dev/xvda1p1 -- Invalid argument.  This means Linux won't know about
>  any changes you made to /dev/xvda1p1 until you reboot -- so you
>  shouldn't mount it or use it in any way before rebooting.

Looks like you're mapping the LV as xvda1. Don't do that if you're
using OS installer. Map it as xvda instead.

You should only map block devices as (xv/s/h)da1 if you're using tools
like debootstrap/yum or doing manual copy from an existing system.

Also if you want to use ext4 as "/", don't forget to have a separate
/boot with ext3 since like Mark said, by default Centos' pygrub
doesn't support ext4.


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