CentOS 5.2 dom0 w/fairly recent updates on x86_64, xen 3.2.0 RPM from
xensource recompiled for x86_64, Win 2k3 domU (with GPL PV drivers).
With HVM, phy: disks on LVs won't work, although the same host has many
PV CentOS hosts running no problem from LVs. The file: disks work with
no problems. The disk configurations I've tried:
Neither works:
disk = [ 'phy:domU/w2k30.root,ioemu:hda,w' ]
disk = [ 'phy:domU/w2k30.root,hda,w' ]
Selected logs:
[2008-12-19 12:00:11 3365] INFO (XendDomainInfo:1504) createDevice:
vbd : \
{'uuid': 'dada2695-5fdd-85c9-3990-8d1978a35782', 'bootable': 1,
'driver': 'ioemu', \
'dev': 'ioemu:hda', 'uname': 'phy:domU/w2k30.root', 'mode': 'w'}
[2008-12-19 12:00:12 3365] INFO (XendDomainInfo:1273) Domain has
shutdown: name=w2k30 id=63 reason=poweroff.
Works:
disk = [ 'file:/d/distro.w2k3/w2k30.root,hda,w', ]
disk = [ 'tap:aio:/d/distro.w2k3/w2k30.root,hda,w' ]
Selected logs:
[2008-12-19 12:05:15 3365] INFO (XendDomainInfo:1504) createDevice:
tap : \
{'bootable': 1, 'uname': 'tap:aio:/d/distro.w2k3/w2k30.root',
'mode': 'w', 'dev': '\
hda', 'uuid': 'ee5b79fa-2286-dcab-9864-21af8fce8a8e'}
With the phy: disk, the host will begin to boot, but then immediately
shut down. The phy: disk image was created by dding the file from the
installed file: image into the blank phy: LV.
If booted from the win2k3 install CD (cdrom specified as file:, disk as
phy:), the install hangs forever at "Setup is starting Windows",
presumably as it's trying to grok the hard drive configuration.
I managed to get the domain to pause during the Plex86/Bocks Bios, and
see the disk detection as follows:
ata0 master: QEMU HARDDISK ATA-7 Hard-Disk ( 0 MBytes)
ata0 slave: Unknown device
Booting from Hard Disk...
At this point the domain shuts down.
More information:
[root@xen-3 distro.w2k3]# lvs /dev/domU/w2k30.root
LV VG Attr LSize Origin Snap% Move Log Copy% Convert
w2k30.root domU -wi-a- 5.19G
[root@xen-3 distro.w2k3]# fdisk -l /dev/domU/w2k30.root
Disk /dev/domU/w2k30.root: 5570 MB, 5570035712 bytes
255 heads, 63 sectors/track, 677 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id
System
/dev/domU/w2k30.root1 * 1 660 5301418+ 7
HPFS/NTFS
Complete config file follows. Let me know what else I can provide to
debug this problem. Thanks-
John
#
# xen configfile for host w2k30.bt1.ablesky.com
# use 'xm create w2k30 mode=install' to boot from w2k3 install CD
#
name = "w2k30"
memory = 1024 # memory for normal operation
shadow_memory = 8
#
# disks
#disk = [ 'phy:domU/w2k30.root,ioemu:hda,w', ]
#disk = [ 'file:/d/distro.w2k3/w2k30.root,hda,w', ]
disk = [ 'tap:aio:/d/distro.w2k3/w2k30.root,hda,w' ]
#
# network interfaces
vif = [ "mac=00:16:ee:a8:c8:26, type=ioemu, bridge=btbr, model=e100", ]
#
kernel = "/usr/lib64/xen/boot/hvmloader"
builder = "hvm"
device_model = "/usr/lib64/xen/bin/qemu-dm"
localtime=1
sdl = 0
vnc = 1
vnclisten = "0.0.0.0"
vncdisplay = 1
vncconsole = 1
vncunused = 0
vncpasswd = ""
nographic = 0
stdvga = 0
usbdevice='tablet'
serial = 'pty'
vcpus=1
pae=1
acpi=1
apic=1
#
# test if mode variable is defined
try:
mode
except NameError:
mode = 'normal'
#
if mode not in ('install','reinstall'):
# this is for after install
boot = 'c'
on_reboot = 'restart'
on_crash = 'restart'
else:
# these are for install
disk = [
'file:/d/distro.w2k3/en_win_srv_2003_r2_datacenter_with_sp2_vl_cd1.iso,hdb:cdrom,r',
\
'file:/d/distro.w2k3/en_win_srv_2003_r2_datacenter_with_sp2_vl_cd2.iso,hdc:cdrom,r'
] + \
disk
boot = 'd'
on_reboot = 'destroy'
on_crash = 'destroy'
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