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[Xen-users] CentOS 5.5 x86_64 - XEN DomU LVM ext4 partition support

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Subject: [Xen-users] CentOS 5.5 x86_64 - XEN DomU LVM ext4 partition support
From: Aidan Wong <awong@xxxxxxx>
Date: Thu, 13 Jan 2011 11:46:26 -0800
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I'm on CentOS 5.5 x86_64 with kernel version 2.6.18-194.32.1.el5xen.   I'm trying to setup a DomU on a LVM EXT4 partition for /root.  While launching the DomU, I can see that the EXT4 kernel module is loaded, but I'm getting the following error:

Creating root device.
Mounting root filesystem.
EXT3-fs: sda1: couldn't mount because of unsupported optional features (240).
mount: error mounting /dev/root on /sysroot as ext3: Invalid argument
Setting up other filesystems.
Setting up new root fs
setuproot: moving /dev failed: No such file or directory
no fstab.sys, mounting internal defaults
setuproot: error mounting /proc: No such file or directory
setuproot: error mounting /sys: No such file or directory
Switching to new root and running init.
unmounting old /dev
unmounting old /proc
unmounting old /sys
switchroot: mount failed: No such file or directory
Kernel panic - not syncing: Attempted to kill init!

Here's my DomU config:

kernel = "/boot/xen-kernel/vmlinuz-2.6.18-194.32.1.el5xen"
ramdisk = "/boot/xen-ramdisk/initrd_centos-ramdisk_2.6.18-194.32.1.el5xen.img"
memory = "1024"
disk = ['phy:VG_DATASTORE/LV_XEN_1,sda1,w', 'phy:VG_DATASTORE/LV_SWAP_1,sda2,w']
root = '/dev/sda1 ro'
vif = ['bridge=xenbr0', '']
vcpus = 1

Can someone help with this issue?

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