Hello, Using ONE 4.2 on Debian wheezy.
I just upgrade the qemu and libvirt to wheezy backports to solve bad
interaction between emulated card and guest kernel[1].
Now I can not boot VMs with PERSISTENT images.
I found a thread[2] on the mailing-list which looked like my problem, I
made the checks without success.
My environment:
---------------
OS: Debian Wheezy
qemu-kvm: 1.7.0+dfsg-2~bpo70+2
libvirt-bin: 1.2.1-1~bpo70+1
ONE: 4.2, from OpenNebula deb packages
Datastores:
- 0: local disk of each host
- 1: NFS TM_MAD=qcow2
Test 1:
-------
IMAGE_ID=114
PERSISTENT=NO
The VM boots fine
Test 2:
-------
IMAGE_ID=114
PERSISTENT=YES
The VM FAILED.
The only difference is the use of a symlink, does someone know any issue
with libvirt/qemu to use disk images though symlink?
Regards.
oneadmin@nebula:~$ cat vms/1937/transfer.0.prolog
LN qcow2
benjamin:/var/lib/one/datastores/1/5d2be6f9746fc3447be11c6621da87df
igor:/var/lib/one//datastores/0/1937/disk.0 1937 1
CONTEXT ssh /var/lib/one/vms/1937/context.sh
igor:/var/lib/one//datastores/0/1937/disk.1 1937 0
oneadmin@nebula:~$ cat vms/1937/deployment.0
<domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
<name>one-1937</name>
<vcpu>1</vcpu>
<cputune>
<shares>21</shares>
</cputune>
<memory>524288</memory>
<os>
<type arch='x86_64'>hvm</type>
<boot dev='hd'/>
</os>
<devices>
<emulator>/usr/bin/kvm</emulator>
<disk type='file' device='disk'>
<source file='/var/lib/one//datastores/0/1937/disk.0'/>
<target dev='vda'/>
<driver name='qemu' type='qcow2' cache='writeback'/>
</disk>
<disk type='file' device='cdrom'>
<source file='/var/lib/one//datastores/0/1937/disk.1'/>
<target dev='hda'/>
<readonly/>
<driver name='qemu' type='raw'/>
</disk>
<interface type='bridge'>
<source bridge='vsw'/>
<virtualport type='openvswitch'/>
<mac address='02:00:0a:00:2a:0e'/>
<model type='virtio'/>
</interface>
<graphics type='vnc' listen='0.0.0.0' port='7837' keymap='fr'/>
</devices>
<features>
<acpi/>
</features>
</domain>
oneadmin@nebula:~$ cat /var/log/one/1937.log
Wed Jan 29 15:06:31 2014 [DiM][I]: New VM state is ACTIVE.
Wed Jan 29 15:06:32 2014 [LCM][I]: New VM state is PROLOG.
Wed Jan 29 15:06:46 2014 [LCM][I]: New VM state is BOOT
Wed Jan 29 15:06:46 2014 [VMM][I]: Generating deployment file:
/var/lib/one/vms/1937/deployment.0
Wed Jan 29 15:06:46 2014 [VMM][I]: ExitCode: 0
Wed Jan 29 15:06:46 2014 [VMM][I]: Successfully execute network driver
operation: pre.
Wed Jan 29 15:06:46 2014 [VMM][I]: Command execution fail: cat << EOT |
/var/tmp/one/vmm/kvm/deploy '/var/lib/one//datastores/0/1937/deployment.0'
'igor' 1937 igor
Wed Jan 29 15:06:46 2014 [VMM][I]: error: Failed to create domain from
/var/lib/one//datastores/0/1937/deployment.0
Wed Jan 29 15:06:46 2014 [VMM][I]: error: Failed to open file
'/var/lib/one//datastores/0/1937/disk.0': Premission denied
Wed Jan 29 15:06:46 2014 [VMM][E]: Could not create domain from
/var/lib/one//datastores/0/1937/deployment.0
Wed Jan 29 15:06:46 2014 [VMM][I]: ExitCode: 255
Wed Jan 29 15:06:46 2014 [VMM][I]: Failed to execute virtualization driver
operation: deploy.
Wed Jan 29 15:06:46 2014 [VMM][E]: Error deploying virtual machine: Could
not create domain from /var/lib/one//datastores/0/1937/deployment.0
Wed Jan 29 15:06:47 2014 [DiM][I]: New VM state is FAILED
oneadmin@host:~/datastores/0/1937$ virsh -c qemu:///system create
deployment.0
error: Failed to create domain from deployment.0
error: Failed to open file '/var/lib/one//datastores/0/1937/disk.0':
Permission denied
oneadmin@host:~/datastores/0/1937$ ls -l disk.0
lrwxrwxrwx 1 oneadmin oneadmin 58 jan. 29 15:06 disk.0 ->
/var/lib/one/datastores/1/5d2be6f9746fc3447be11c6621da87df
oneadmin@host:~/datastores/0/1937$ ls -lL disk.0
-rw-rw---- 1 oneadmin oneadmin 1357250560 nov. 18 17:42 disk.0
root@host:~# grep -E '^(user|groud|dynamic)' /etc/libvirt/qemu.conf
user = "oneadmin"
dynamic_ownership = 0
Footnotes:
[1] http://paste.debian.net/plain/78845
[2]
http://lists.opennebula.org/pipermail/users-opennebula.org/2013-February/022168.html
--
Daniel Dehennin
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