[one-users] Dynamic resource reallocation
Antonio Carlos Salzvedel Furtado Junior
acsfj08 at inf.ufpr.br
Sat Dec 17 14:13:01 PST 2011
Thanks for replying.
That's bad. I've been reading about the libvirt API, and I found out that
it does support dynamic resource reallocation.
I took a look at the libvirt driver for OpenNebula, but I think the
reallocation can't be done over OpenNebula.
Maybe I could work with libvirt somehow..
On Sat, Dec 17, 2011 at 6:09 PM, <users-request at lists.opennebula.org> wrote:
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> Today's Topics:
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> 1. Dynamic resource reallocation
> (Antonio Carlos Salzvedel Furtado Junior)
> 2. Re: Dynamic resource reallocation (richard -rw- weinberger)
> 3. Re: OpenNebula Express Install Ubuntu 10.04 --- onevm suspend
> Urgent!!!! (srivatsan jagannathan)
> 4. Why no hooks for migration? (richard -rw- weinberger)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 17 Dec 2011 13:28:23 -0200
> From: Antonio Carlos Salzvedel Furtado Junior <acsfj08 at inf.ufpr.br>
> To: users at lists.opennebula.org
> Subject: [one-users] Dynamic resource reallocation
> Message-ID:
> <CAERqmVoNHUuDSOzKxPfdJtA8hSoioJokkFVEedZCKX5-Y0rEcA at mail.gmail.com
> >
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hello,
>
> Is it possible to dynamically reallocate resources of a VM?
>
> I couldn't find this option on the cloud API documentation. The only place
> I've read about allocating memory and CPU is in the template configuration,
> but this is performed offline.
>
> I know most hypervisors allow dynamic virtual machine configuration, so I
> guess it is possible to do this in OpenNebula.
>
>
> Att.
>
>
> Antonio Carlos
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> ------------------------------
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> Message: 2
> Date: Sat, 17 Dec 2011 16:41:28 +0100
> From: richard -rw- weinberger <richard.weinberger at gmail.com>
> To: users at lists.opennebula.org
> Subject: Re: [one-users] Dynamic resource reallocation
> Message-ID:
> <CAFLxGvypfAsOnPUWYosF6dmjUmpbTs2=JXJb3cVxdTqTxV-9vg at mail.gmail.com
> >
> Content-Type: text/plain; charset=ISO-8859-1
>
> On Sat, Dec 17, 2011 at 4:28 PM, Antonio Carlos Salzvedel Furtado
> Junior <acsfj08 at inf.ufpr.br> wrote:
> > Hello,
> >
> > Is it possible to dynamically reallocate resources of a VM?
> >
> > I couldn't find this option on the cloud API documentation. The only
> place
> > I've read about allocating memory and CPU is in the template
> configuration,
> > but this is performed offline.
> >
> > I know most hypervisors allow dynamic virtual machine configuration, so I
> > guess it is possible to do this in OpenNebula.
> >
>
> AFAIK this is not supported. :-(
>
> --
> Thanks,
> //richard
>
>
> ------------------------------
>
> Message: 3
> Date: Sat, 17 Dec 2011 17:19:56 +0100
> From: srivatsan jagannathan <srivatsanjn at gmail.com>
> To: users at lists.opennebula.org
> Subject: Re: [one-users] OpenNebula Express Install Ubuntu 10.04 ---
> onevm suspend Urgent!!!!
> Message-ID:
> <CA+WP4QBf3b=eTkDuOQKatGFpbtgWJoSgNd3yW+nx3hddoym1uA at mail.gmail.com
> >
> Content-Type: text/plain; charset="iso-8859-1"
>
> Opennebula Express Install ubuntu-KVM-NFS (ttylinux image)
>
> SSH between the hosts working fine....
> onehost create works fine...
> onevm create works fine...
>
>
> onevm suspend has the following error
>
> Sat Dec 17 16:58:15 2011 [LCM][I]: New VM state is BOOT
> Sat Dec 17 16:58:15 2011 [VMM][I]: Generating deployment file:
> /var/lib/one/3/deployment.0
> Sat Dec 17 16:58:16 2011 [LCM][I]: New VM state is RUNNING
> Sat Dec 17 16:58:57 2011 [LCM][I]: New VM state is SAVE_SUSPEND
> Sat Dec 17 16:58:57 2011 [VMM][I]: Command execution fail: 'if [ -x
> "/var/tmp/one/vmm/kvm/save" ]; then /var/tmp/one/vmm/kvm/save one-3
> /var/lib/one//3/images/checkpoint; else exit
> 42; fi'
> Sat Dec 17 16:58:57 2011 [VMM][I]: STDERR follows.
> Sat Dec 17 16:58:57 2011 [VMM][I]: error: Failed to save domain one-3 to
> /var/lib/one//3/images/checkpoint
> Sat Dec 17 16:58:57 2011 [VMM][I]: error: unable to set ownership of
> '/var/lib/one//3/images/checkpoint' to user 0:0: Operation not permitted
> Sat Dec 17 16:58:57 2011 [VMM][I]: ExitCode: 1
> Sat Dec 17 16:58:57 2011 [VMM][E]: Error saving VM state, error: Failed to
> save domain one-3 to /var/lib/one//3/images/checkpoint
> Sat Dec 17 16:58:57 2011 [LCM][I]: Fail to save VM state. Assuming that the
> VM is still RUNNING (will poll VM).
> Sat Dec 17 16:58:58 2011 [VMM][I]: VM running but new state from monitor is
> PAUSED.
> Sat Dec 17 16:58:58 2011 [LCM][I]: VM is suspended.
> Sat Dec 17 16:58:58 2011 [DiM][I]: New VM state is SUSPENDED
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> ------------------------------
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> Message: 4
> Date: Sat, 17 Dec 2011 17:44:07 +0100
> From: richard -rw- weinberger <richard.weinberger at gmail.com>
> To: users at lists.opennebula.org
> Subject: [one-users] Why no hooks for migration?
> Message-ID:
> <CAFLxGvyPGgWGQQcQTJeQrskYrN8KDWAHCyxiF530uF16NyOZbQ at mail.gmail.com
> >
> Content-Type: text/plain; charset=ISO-8859-1
>
> Hi!
>
> Why aren't there any hooks for (live)migration?
> This is really odd because it makes the whole firewall-feature useless for
> me.
>
> --
> Thanks,
> //richard
>
>
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> End of Users Digest, Vol 46, Issue 63
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