[one-users] Stopping a VM erases it

[Jaime Melis]

As long as you are not doing something like migrating a vm or saving it you
can restart libvirtd without any problems

On Wed, Nov 19, 2014 at 5:19 PM, Sergi <sse at okitup.com> wrote:

>  Hello Jaime,
>
> qemu.conf is ok :
>
> # grep -vE '^($|#)' /etc/libvirt/qemu.conf
> user  = "oneadmin"
> group = "oneadmin"
> dynamic_ownership = 0
>
> I found that :
>
> - user qemu belongs to group 'kvm', but oneadmin doesn't
> - I have no libvirtd group
> - /etc/libvirt/libvirtd.conf had listen_tcp=1 commented
> - /etc/sysconfig/libvirtd had LIBVIRTD_ARGS="--listen" commented
>
> Can I restart libvirt without affecting running VMs?
>
> Thanks,
> regards,
> Sergi
>
>
>  On 19/11/14 16:47, Jaime Melis wrote:
>
> Hi,
>
>  I think this is due to a misconfigured qemu.conf.
>
>  Does it have this? (
> http://docs.opennebula.org/4.10/administration/virtualization/kvmg.html#kvm-configuration
> )
>
>  $ grep -vE '^($|#)' /etc/libvirt/qemu.conf
> user = "oneadmin"
> group = "oneadmin"
> dynamic_ownership = 0
>
>  cheers,
> Jaime
>
>
>
> On Wed, Nov 5, 2014 at 6:21 PM, Sergi <sse at okitup.com> wrote:
>
>>  Hello,
>>
>> we are using OpenNebula 4.6.2 under CentOS 6.5.
>>
>> We have 2 hosts, one of these has also Sunstone and exports shared
>> datastores (system, image and file), named 'localhost'.
>> We also have another system datastore using the ssh driver.
>>
>> We have an issue with stopping VMs ... from sunstone gui, powering off a
>> VM on the ssh system datastore and starting it again works; but stopping
>> (option on menu that includes undeploy and undeploy hard) deletes the VM
>> files and when trying to start it again, kvm cannot find the files (i.e.
>> checkpoint).
>>
>> Wed Oct 29 10:55:45 2014 [LCM][I]: New VM state is SAVE_STOP
>> Wed Oct 29 10:55:51 2014 [VMM][I]: ExitCode: 0
>> Wed Oct 29 10:55:51 2014 [VMM][I]: Successfully execute virtualization
>> driver operation: save.
>> Wed Oct 29 10:55:51 2014 [VMM][I]: ExitCode: 0
>> Wed Oct 29 10:55:51 2014 [VMM][I]: Successfully execute network driver
>> operation: clean.
>> Wed Oct 29 10:55:51 2014 [LCM][I]: New VM state is EPILOG_STOP
>> Wed Oct 29 10:55:52 2014 [DiM][I]: New VM state is STOPPED
>> Wed Oct 29 10:58:07 2014 [DiM][I]: New VM state is PENDING.
>> Wed Oct 29 10:58:21 2014 [DiM][I]: New VM state is ACTIVE.
>> Wed Oct 29 10:58:21 2014 [LCM][I]: New VM state is PROLOG.
>> Wed Oct 29 10:58:21 2014 [LCM][I]: New VM state is BOOT
>> Wed Oct 29 10:58:22 2014 [VMM][I]: ExitCode: 0
>> Wed Oct 29 10:58:22 2014 [VMM][I]: Successfully execute network driver
>> operation: pre.
>> Wed Oct 29 10:58:22 2014 [VMM][I]: Command execution fail:
>> /var/tmp/one/vmm/kvm/restore '/var/lib/one//datastores/100/61/checkpoint'
>> 'localhost' 'one-61' 61 localhost
>> Wed Oct 29 10:58:22 2014 [VMM][E]: restore: Command "virsh --connect
>> qemu:///system restore /var/lib/one//datastores/100/61/checkpoint" failed:
>> error: Failed to restore domain from
>> /var/lib/one//datastores/100/61/checkpoint
>> Wed Oct 29 10:58:22 2014 [VMM][I]: error: Failed to create file
>> '/var/lib/one//datastores/100/61/checkpoint': L’operació no és permesa
>> Wed Oct 29 10:58:22 2014 [VMM][E]: Could not restore from
>> /var/lib/one//datastores/100/61/checkpoint
>> Wed Oct 29 10:58:22 2014 [VMM][I]: ExitCode: 1
>> Wed Oct 29 10:58:22 2014 [VMM][I]: Failed to execute virtualization
>> driver operation: restore.
>> Wed Oct 29 10:58:22 2014 [VMM][E]: Error restoring VM: Could not restore
>> from /var/lib/one//datastores/100/61/checkpoint
>> Wed Oct 29 10:58:22 2014 [LCM][I]: Fail to boot VM. New VM state is
>> EPILOG_STOP
>> Wed Oct 29 10:58:22 2014 [DiM][I]: New VM state is STOPPED
>>
>> Thanks,
>> regards,
>> Sergi
>>
>>
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>> * -- [image: okITup S.L.] <https://www.okitup.com> Infraestructures de
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>
>
>  --
>  Jaime Melis
> Project Engineer
> OpenNebula - Flexible Enterprise Cloud Made Simple
> www.OpenNebula.org | jmelis at opennebula.org
>
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> * -- [image: okITup S.L.] <https://www.okitup.com> Infraestructures de
> hosting a mida Administració i Programació de Sistemes email:
> info at okITup.com <http://up.com> telef.:  93 176 39 76 -- La información de
> este correo electrónico es confidencial, personal e intransferible y sólo
> está dirigida a la(s) dirección(es) indicada(s) arriba. Si usted lee este
> mensaje por equivocación, le informamos que está prohibida su divulgación,
> uso o distribución, completos o parciales; le rogamos que lo notifique
> inmediatamente al remitente y borre el mensaje original junto con sus
> ficheros anexos sin leerlo ni grabarlo. Gracias. La informació d'aquest
> correu electrònic és confidencial, personal i intransferible, i només està
> dirigida a l'adreça(ces) indicada(des). Si vostè llegeix aquest missatge
> per error, l'informem que n'està prohibida la propagació, l'ús o la
> distribució, complets o parcials; li demanem que ho notifiqui immediatament
> a la persona que li ha enviat i esborri el missatge original amb les dades
> adjuntes sense llegir-lo ni desar-lo. Gràcies. This e-mail contains
> confidential information. The information is intended for exclusive use by
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> please notify us immediately to arrange for the confidential information to
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> Thank you.*
>
> _______________________________________________
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>


-- 
Jaime Melis
Project Engineer
OpenNebula - Flexible Enterprise Cloud Made Simple
www.OpenNebula.org | jmelis at opennebula.org
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