Hi, I use Centos 5.4 x86_64
kernel used is 2.6.18-164.11.1.el5xen
I have a physical machine running Debian Etch (32 bit) and Debian Lenny and I virtualized the first one as follows:
*Created a HVM DomU with Virt-Manager with a virtual disk file of 40000 M *Boot from LiveCD, and created a swap and a ext3 partitions (Yes, very simple layout). *Rsync'd files from root partition of physical machine to partition mounted on LiveCD on DomU. *Chrooted and edited files /boot/grub/menu.lst, /etc/fstab, etc/mtab, /boot/grub/device.map. *Then I rebooted from hard disk and stay freezed with the message "booting from hard disk" . But it doesn't boot at all from hard disk.
I can boot using grub-rescue-cdrom, but if I try to install grub with grub-install it outputs:
"The file /boot/grub/stage1 not read correctly"
(I've tried --recheck option, and depmod and update-grub commands with no success)
Output of file command on virtual disk file is:
/virtuales/videodisk.img: x86 boot sector; partition 1: ID=0x82, starthead 1, startsector 63, 4273227 sectors; partition 2: ID=0x83, active, starthead 0, startsector 4273290, 77626080 sectors
The DomU file is:
DomU (file):
name = "video" uuid = "54d25d78-b9d0-0159-542c-bb601cc936bb" maxmem = 1024 memory = 512 vcpus = 1 builder = "hvm" kernel = "/usr/lib/xen/boot/hvmloader" boot = "d" pae = 1 acpi = 1 apic = 1 localtime = 0 on_poweroff = "destroy" on_reboot = "restart" on_crash = "restart" device_model = "/usr/lib64/xen/bin/qemu-dm" sdl = 0 vnc = 1 vncunused = 1 keymap = "es" disk = [ "file:/virtuales/videodisk.img,hda,w", "file:/virtuales/isos/grub-rescue-cdrom.iso,hdc:cdrom,r" ] vif = [ "mac=00:16:36:0b:24:2d,bridge=xenbr0,script=vif-bridge" ] parallel = "none" serial = "pty" EOF
With grub-rescue cd DomU can boot but as I've said can't install grub and loads also loopback interface.
Please could you tell me what I am doing wrong?
Thanks in advance!!
On Wed, Jan 27, 2010 at 07:21:54PM -0300, Sergio Belkin wrote:
Hi, I use Centos 5.4 x86_64
kernel used is 2.6.18-164.11.1.el5xen
I have a physical machine running Debian Etch (32 bit) and Debian Lenny and I virtualized the first one as follows:
*Created a HVM DomU with Virt-Manager with a virtual disk file of 40000 M *Boot from LiveCD, and created a swap and a ext3 partitions (Yes, very simple layout). *Rsync'd files from root partition of physical machine to partition mounted on LiveCD on DomU. *Chrooted and edited files /boot/grub/menu.lst, /etc/fstab, etc/mtab, /boot/grub/device.map. *Then I rebooted from hard disk and stay freezed with the message "booting from hard disk" . But it doesn't boot at all from hard disk.
I can boot using grub-rescue-cdrom, but if I try to install grub with grub-install it outputs:
"The file /boot/grub/stage1 not read correctly"
(I've tried --recheck option, and depmod and update-grub commands with no success)
Well.. stage1 is definitely needed by grub. So grub didn't get installed. Your domU can't boot then.
- Do you have the stage1 file there? - Was the partition layout the same for the old server? - Is the grub.conf "root (hd0,X)" correct for the new disk?
You can install grub from grub-shell like this, after chrooting to the filesystem:
# grub device (hd0) /dev/sda root (hd0,0) setup (hd0)
replace "hd0,0" with the correct partition index.
-- Pasi
Output of file command on virtual disk file is:
/virtuales/videodisk.img: x86 boot sector; partition 1: ID=0x82, starthead 1, startsector 63, 4273227 sectors; partition 2: ID=0x83, active, starthead 0, startsector 4273290, 77626080 sectors
The DomU file is:
DomU (file):
name = "video" uuid = "54d25d78-b9d0-0159-542c-bb601cc936bb" maxmem = 1024 memory = 512 vcpus = 1 builder = "hvm" kernel = "/usr/lib/xen/boot/hvmloader" boot = "d" pae = 1 acpi = 1 apic = 1 localtime = 0 on_poweroff = "destroy" on_reboot = "restart" on_crash = "restart" device_model = "/usr/lib64/xen/bin/qemu-dm" sdl = 0 vnc = 1 vncunused = 1 keymap = "es" disk = [ "file:/virtuales/videodisk.img,hda,w", "file:/virtuales/isos/grub-rescue-cdrom.iso,hdc:cdrom,r" ] vif = [ "mac=00:16:36:0b:24:2d,bridge=xenbr0,script=vif-bridge" ] parallel = "none" serial = "pty" EOF
With grub-rescue cd DomU can boot but as I've said can't install grub and loads also loopback interface.
Please could you tell me what I am doing wrong?
Thanks in advance!!
--
Open Kairos http://www.sergiobelkin.com Watch More TV http://sebelk.blogspot.com Sergio Belkin - _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
2010/1/28 Pasi Kärkkäinen pasik@iki.fi:
On Wed, Jan 27, 2010 at 07:21:54PM -0300, Sergio Belkin wrote:
Hi, I use Centos 5.4 x86_64
kernel used is 2.6.18-164.11.1.el5xen
I have a physical machine running Debian Etch (32 bit) and Debian Lenny and I virtualized the first one as follows:
*Created a HVM DomU with Virt-Manager with a virtual disk file of 40000 M *Boot from LiveCD, and created a swap and a ext3 partitions (Yes, very simple layout). *Rsync'd files from root partition of physical machine to partition mounted on LiveCD on DomU. *Chrooted and edited files /boot/grub/menu.lst, /etc/fstab, etc/mtab, /boot/grub/device.map. *Then I rebooted from hard disk and stay freezed with the message "booting from hard disk" . But it doesn't boot at all from hard disk.
I can boot using grub-rescue-cdrom, but if I try to install grub with grub-install it outputs:
"The file /boot/grub/stage1 not read correctly"
(I've tried --recheck option, and depmod and update-grub commands with no success)
Well.. stage1 is definitely needed by grub. So grub didn't get installed. Your domU can't boot then.
- Do you have the stage1 file there?
- Was the partition layout the same for the old server?
- Is the grub.conf "root (hd0,X)" correct for the new disk?
You can install grub from grub-shell like this, after chrooting to the filesystem:
# grub device (hd0) /dev/sda root (hd0,0) setup (hd0)
replace "hd0,0" with the correct partition index.
I've tried that, If that was the problem, I hadn't asked help to the list :)
I've found that it was a misunderstanding between Grub and the filesystem. Target filesystem has inodes of 256 bytes while debian etch version can read inodes of 128 bytes.
--
Open Kairos http://www.sergiobelkin.com Watch More TV http://sebelk.blogspot.com Sergio Belkin - _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
-
Pasi Kärkkäinen -
Sergio Belkin