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Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP
If you just want to boot somehow VM, just use external kernel. It
will be not really comfortable, but allow to configure domU from
domU.
On 08.12.2011 07:33, Johnny Tao wrote:
George
Thanks for quick response, have you successfully installed grub on
such kind of my domU and bootup into OS?
Seems it doesn't' work for me to install pygrub according to this
wiki
http://wiki.xen.org/wiki/PyGrub
Any ideas?
On Thu, Dec 8, 2011 at 10:58 AM, George
Shuklin <george.shuklin@xxxxxxxxx>
wrote:
You have no bootloader
and what how you expect virtual machine to boot?
Chroot to domU filesystem, install grub. Or use
PV-kernel/PV-ramdisk/PV-args variables to boot kernel from
'outside' domU (they must resides in /boot/guest of XCP
dom0).
On 08.12.2011 06:45, Johnny Tao wrote:
George & Joseph
Thanks for your response , since this domU copied from
dom0 and has no a grub on it, although I give other
try to installed kernel-xen and grub manually on OSS
Xen Host, which still being stuck to start up.Do I
need fix the grub installation first on OSS Xen Host
and then start migration ?
With many thanks
Check info below reference
xm creatc -c /etc/xen/demo - OSS Xen Host
Traceback (most recent call last):
File "/usr/bin/pygrub", line 693, in ?
data = "">
IOError: [Errno 2] No such file or directory
No handlers could be found for logger "xend"
Error: Boot loader didn't return any data!
Usage: xm create <ConfigFile> [options] [vars]
xe vm-list params - XCP Xen Host
uuid ( RO) :
47dc79b3-e763-8712-8769-49bbbf9dc7ec
name-label ( RW): demo_old
name-description ( RW):
user-version ( RW): 1
is-a-template ( RW): false
is-a-snapshot ( RO): false
snapshot-of ( RO): <not in
database>
snapshots ( RO):
snapshot-time ( RO):
19700101T00:00:00Z
snapshot-info ( RO):
parent ( RO): <not in
database>
children ( RO):
is-control-domain ( RO): false
power-state ( RO): halted
memory-actual ( RO): 0
memory-target ( RO): <expensive
field>
memory-overhead ( RO): 4194304
memory-static-max ( RW): 268435456
memory-dynamic-max ( RW): 268435456
memory-dynamic-min ( RW): 268435456
memory-static-min ( RW): 16777216
suspend-VDI-uuid ( RO): <not in
database>
VCPUs-params (MRW):
VCPUs-max ( RW): 1
VCPUs-at-startup ( RW): 1
actions-after-shutdown ( RW): Destroy
actions-after-reboot ( RW): Restart
actions-after-crash ( RW): Restart
console-uuids (SRO):
platform (MRW): nx: false; acpi:
true; apic: true; pae: true; viridian: true
allowed-operations (SRO):
changing_dynamic_range; changing_static_range;
make_into_template; destroy; export; start_on; start;
clone; copy; snapshot
current-operations (SRO):
blocked-operations (MRW):
allowed-VBD-devices (SRO): <expensive
field>
allowed-VIF-devices (SRO): <expensive
field>
possible-hosts ( RO): <expensive
field>
HVM-boot-policy ( RW):
HVM-boot-params (MRW): order:
HVM-shadow-multiplier ( RW): 1.000
PV-kernel ( RW):
PV-ramdisk ( RW):
PV-args ( RW):
PV-legacy-args ( RW):
PV-bootloader ( RW): pygrub
PV-bootloader-args ( RW):
last-boot-CPU-flags ( RO):
last-boot-record ( RO): <expensive
field>
resident-on ( RO): <not in
database>
affinity ( RW):
288977fd-1836-475a-9109-7f2e68ccae1e
other-config (MRW): import_task:
OpaqueRef:495fd90f-8b8a-96b8-ca22-5c9ff4d427b8;
mac_seed: 709328f5-aca8-3c87-bb3b-de81d2aab3d5;
install-methods: cdrom
dom-id ( RO): -1
recommendations ( RO):
<restrictions><restriction
field="memory-static-max" max="34359738368"
/><restriction field="vcpus-max" max="8"
/><restriction property="number-of-vbds" max="7"
/><restriction property="number-of-vifs" max="7"
/></restrictions>
xenstore-data (MRW):
ha-always-run ( RW): false
ha-restart-priority ( RW):
blobs ( RO):
start-time ( RO):
19700101T00:00:00Z
install-time ( RO):
19700101T00:00:00Z
VCPUs-number ( RO): 0
VCPUs-utilisation (MRO): <expensive
field>
os-version (MRO): <not in
database>
PV-drivers-version (MRO): <not in
database>
PV-drivers-up-to-date ( RO): <not in
database>
memory (MRO): <not in
database>
disks (MRO): <not in
database>
networks (MRO): <not in
database>
other (MRO): <not in
database>
live ( RO): <not in
database>
guest-metrics-last-updated ( RO): <not in
database>
cooperative ( RO): <expensive
field>
protection-policy ( RW): <not in
database>
is-snapshot-from-vmpp ( RO): false
tags (SRW):
On Thu, Dec 8, 2011 at 1:16
AM, Joseph Hom <jhom@xxxxxxxxxxxxx>
wrote:
Also
if you can please post your menu.lst or
grub.cfg from the domU.
Post all PV fields
of VM (xe vm-list params and copypaste
all fields with PV in name). Looks like
you having bad settings for
PV-bootloader(-args).
On 07.12.2011 11:35, Johnny Tao wrote:
Hi, All
I'm just new to
this list, I'm started to dealing with
OSS Xen to XCP migration earlier this
week, seem the domUs installed via
virt-install are function well,
but domUs copied
via dom0 are failed during bootup
process, finally I realize
if I could fix this on my OSS Xen
will resolve all.
Can
I have any suggestion from you
please ?
XEN: xen-hypervisor-3.4.2-1.1.0.704.20055
Traceback (most
recent call last):
File
"/usr/bin/pygrub", line 693, in ?
IOError: [Errno
2] No such file or directory
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