[one-users] Settings for LiveMigration

[fanttazio]

Thank you Samuel, I made all hosts ssh passwordless and it worked.

Mehdi
On Mon, Jun 20, 2011 at 3:32 PM, samuel <samu60 at gmail.com> wrote:

> Hi,
>
> Indeed nodes shall connect via ssh passwordless.
> You should also check whether DNS or /etc/hosts have the right network
> parameters.
>
> I had few issues with ubuntu 10.04 and had to change to 11.04...but it
> might work on your setup.
>
> Hope it helps,
> Samuel.
>
> On 20 June 2011 15:44, fanttazio <fanttazio at gmail.com> wrote:
>
>> Hi,
>>
>> My ONE seems to work fine except that I cant do Live Migrate. From hosts I
>> can connect to other hosts virtual manager's console and I can perform
>> migrate from host's console and also I can perform migrate from front-end.
>>
>> I did uncomment listen on TCP in libvirtd.conf and changed QEMU_PROTOCOL=qemu+ssh
>> in /var/tmp/one/vmm/kvm/kvmrc but i cant perform livemigrate and VM logs
>> this:
>>
>>
>> ################################################################################
>> Mon Jun 20 01:10:56 2011 [DiM][I]: New VM state is ACTIVE. Mon Jun 20
>> 01:10:56 2011 [LCM][I]: New VM state is PROLOG. Mon Jun 20 01:10:56 2011
>> [VM][I]: Virtual Machine has no context Mon Jun 20 01:10:56 2011 [TM][I]:
>> tm_clone.sh: front-end:/srv/cloud/images/ttylinux.img 192.168.0.244:/srv/cloud/one/var//110/images/disk.0
>> Mon Jun 20 01:10:56 2011 [TM][I]: tm_clone.sh: DST:
>> /srv/cloud/one/var//110/images/disk.0 Mon Jun 20 01:10:56 2011 [TM][I]:
>> tm_clone.sh: Creating directory /srv/cloud/one/var//110/images Mon Jun 20
>> 01:10:56 2011 [TM][I]: tm_clone.sh: Executed "mkdir -p
>> /srv/cloud/one/var//110/images". Mon Jun 20 01:10:56 2011 [TM][I]:
>> tm_clone.sh: Executed "chmod a+w /srv/cloud/one/var//110/images". Mon Jun 20
>> 01:10:56 2011 [TM][I]: tm_clone.sh: Cloning /srv/cloud/images/ttylinux.img
>> Mon Jun 20 01:10:56 2011 [TM][I]: tm_clone.sh: Executed "cp -r
>> /srv/cloud/images/ttylinux.img /srv/cloud/one/var//110/images/disk.0". Mon
>> Jun 20 01:10:56 2011 [TM][I]: tm_clone.sh: Executed "chmod a+rw
>> /srv/cloud/one/var//110/images/disk.0". Mon Jun 20 01:10:56 2011 [LCM][I]:
>> New VM state is BOOT Mon Jun 20 01:10:56 2011 [VMM][I]: Generating
>> deployment file: /srv/cloud/one/var/110/deployment.0 Mon Jun 20 01:10:57
>> 2011 [LCM][I]: New VM state is RUNNING Mon Jun 20 01:12:50 2011 [LCM][I]:
>> New VM state is SAVE_MIGRATE Mon Jun 20 01:12:56 2011 [LCM][I]: New VM state
>> is PROLOG_MIGRATE Mon Jun 20 01:12:56 2011 [TM][I]: tm_mv.sh: Will not move,
>> source and destination are equal Mon Jun 20 01:12:56 2011 [LCM][I]: New VM
>> state is BOOT Mon Jun 20 01:12:59 2011 [LCM][I]: New VM state is RUNNING Mon
>> Jun 20 01:14:02 2011 [LCM][I]: New VM state is SAVE_MIGRATE Mon Jun 20
>> 01:14:11 2011 [LCM][I]: New VM state is PROLOG_MIGRATE Mon Jun 20 01:14:11
>> 2011 [TM][I]: tm_mv.sh: Will not move, source and destination are equal Mon
>> Jun 20 01:14:11 2011 [LCM][I]: New VM state is BOOT Mon Jun 20 01:14:12 2011
>> [LCM][I]: New VM state is RUNNING Mon Jun 20 01:14:54 2011 [LCM][I]: New VM
>> state is SAVE_MIGRATE Mon Jun 20 01:14:56 2011 [LCM][I]: New VM state is
>> PROLOG_MIGRATE Mon Jun 20 01:14:56 2011 [TM][I]: tm_mv.sh: Will not move,
>> source and destination are equal Mon Jun 20 01:14:56 2011 [LCM][I]: New VM
>> state is BOOT Mon Jun 20 01:14:58 2011 [LCM][I]: New VM state is RUNNING Mon
>> Jun 20 01:16:18 2011 [LCM][I]: New VM state is MIGRATE Mon Jun 20 01:16:18
>> 2011 [VMM][I]: Command execution fail: 'if [ -x
>> "/var/tmp/one/vmm/kvm/migrate" ]; then /var/tmp/one/vmm/kvm/migrate one-110
>> 192.168.0.246; else exit 42; fi' Mon Jun 20 01:16:18 2011 [VMM][I]: STDERR
>> follows. Mon Jun 20 01:16:18 2011 [VMM][I]: error: cannot recv data:
>> Connection reset by peer Mon Jun 20 01:16:18 2011 [VMM][I]: ExitCode: 1 Mon
>> Jun 20 01:16:18 2011 [VMM][E]: Error live-migrating VM, error: cannot recv
>> data: Connection reset by peer Mon Jun 20 01:16:18 2011 [LCM][I]: Fail to
>> life migrate VM. Assuming that the VM is still RUNNING (will poll VM). Mon
>> Jun 20 01:16:19 2011 [VMM][D]: Monitor Information: CPU : 2 Memory: 262144
>> Net_TX: 1438 Net_RX: 8036
>>
>> ###############################################################################################
>>
>> if I change kvmrc to LIBVIRT_URI=qemu+ssh:///system it gives me that it
>> can not connect to hypervisor. the libvirtd log doesn't show any error and
>> even the VM log in /var/log/libvirt/qemu/ does not show any error. Should I
>> make hosts to have an ssh passwordless connection as well? or I am missing
>> something here?
>> All my hosts and front-end are Ubuntu 10.04.
>>
>> Mehdi
>>
>> _______________________________________________
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>>
>>
>
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