[Openstack] HELP: All instances automatically rebooted.

Alejandro Comisario alejandro.comisario at mercadolibre.com
Thu Aug 30 17:38:26 UTC 2012


but what if still ... i want that if the compute node to autostart de vms
if for any reason, it gets rebooted ? i dont want to start them by hand (
or issue an API reboot )
Thats why i think it was great that this feature is managed ( at least in
KVM ) from the libvirt side.
*
*
*Alejandro*


On Thu, Aug 30, 2012 at 1:59 PM, Alessandro Tagliapietra <
tagliapietra.alessandro at gmail.com> wrote:

> Try to disable
>
>         • # start_guests_on_host_boot=false
>
> in nova.conf, if nova-compute dies it doesn't means that the hypervisor is
> death.
>
> Il giorno 28/ago/2012, alle ore 04:42, Sam Su <susltd.su at gmail.com> ha
> scritto:
>
> > Thanks for your guys help!
> > I guess this problem may be caused by nova packages auto upgrade.
> >
> > I just found these two lines in the file /var/log/kern.log:
> > Aug 23 06:34:33 cnode-01 kernel: [4955691.256036] init: nova-network
> main process (9191) terminated with status 143
> > Aug 23 06:34:35 cnode-01 kernel: [4955693.402082] init: nova-compute
> main process (9275) terminated with status 143
> >
> > Here is the link for detail of /var/log/kern.log
> > http://pastebin.com/GqH1ju1R
> >
> > Also found these info in /var/log/dpkg.log:
> > 2012-08-23 06:34:33 upgrade nova-network
> 2012.1+stable~20120612-3ee026e-0ubuntu1.2
> 2012.1+stable~20120612-3ee026e-0ubuntu1.3
> > 2012-08-23 06:34:33 status half-configured nova-network
> 2012.1+stable~20120612-3ee026e-0ubuntu1.2
> > 2012-08-23 06:34:33 status unpacked nova-network
> 2012.1+stable~20120612-3ee026e-0ubuntu1.2
> > 2012-08-23 06:34:33 status half-installed nova-network
> 2012.1+stable~20120612-3ee026e-0ubuntu1.2
> > 2012-08-23 06:34:34 status triggers-pending ureadahead 0.100.0-12
> > 2012-08-23 06:34:34 status half-installed nova-network
> 2012.1+stable~20120612-3ee026e-0ubuntu1.2
> > 2012-08-23 06:34:34 status triggers-pending ureadahead 0.100.0-12
> > 2012-08-23 06:34:34 status triggers-pending man-db 2.6.1-2
> > 2012-08-23 06:34:34 status half-installed nova-network
> 2012.1+stable~20120612-3ee026e-0ubuntu1.2
> > 2012-08-23 06:34:34 status half-installed nova-network
> 2012.1+stable~20120612-3ee026e-0ubuntu1.2
> > 2012-08-23 06:34:34 status unpacked nova-network
> 2012.1+stable~20120612-3ee026e-0ubuntu1.3
> > 2012-08-23 06:34:34 status unpacked nova-network
> 2012.1+stable~20120612-3ee026e-0ubuntu1.3
> > 2012-08-23 06:34:34 upgrade nova-compute-kvm
> 2012.1+stable~20120612-3ee026e-0ubuntu1.2
> 2012.1+stable~20120612-3ee026e-0ubuntu1.3
> > 2012-08-23 06:34:34 status half-configured nova-compute-kvm
> 2012.1+stable~20120612-3ee026e-0ubuntu1.2
> > 2012-08-23 06:34:35 status unpacked nova-compute-kvm
> 2012.1+stable~20120612-3ee026e-0ubuntu1.2
> > 2012-08-23 06:34:35 status half-installed nova-compute-kvm
> 2012.1+stable~20120612-3ee026e-0ubuntu1.2
> > 2012-08-23 06:34:35 status half-installed nova-compute-kvm
> 2012.1+stable~20120612-3ee026e-0ubuntu1.2
> > 2012-08-23 06:34:35 status unpacked nova-compute-kvm
> 2012.1+stable~20120612-3ee026e-0ubuntu1.3
> > 2012-08-23 06:34:35 status unpacked nova-compute-kvm
> 2012.1+stable~20120612-3ee026e-0ubuntu1.3
> > 2012-08-23 06:34:35 upgrade nova-compute
> 2012.1+stable~20120612-3ee026e-0ubuntu1.2
> 2012.1+stable~20120612-3ee026e-0ubuntu1.3
> >
> > Here is detail:
> > http://pastebin.com/juiSxCue
> >
> > But I am not 100% sure of this. Does anyone knows what it means that a
> process was terminated with status 143 in Ubuntu 12.04?
> >
> > Thanks ahead,
> > Sam
> >
> >
> > On Mon, Aug 27, 2012 at 5:56 PM, Alejandro Comisario <
> alejandro.comisario at mercadolibre.com> wrote:
> > One of the things i dont like in essex.
> > That the "autostart" flag in nova.conf with KVM doesnt work with the
> autostart feature of libvirt/kvm, so if, for some reason you need to
> restart nova-compute to apply some kind of modification, the instances get
> soft/hard rebooted because now nova-compute handles the "autostart" flag
> from nova.conf
> >
> > Why is that if some one can explain ?
> >
> > On Mon, Aug 27, 2012 at 9:21 PM, Gabe Westmaas <
> gabe.westmaas at rackspace.com> wrote:
> > Hey Sam,
> >
> >
> >
> > Is it possible your hypervisors restarted?  I see this entry in the logs:
> >
> >
> >
> > 2012-08-23 06:35:02 INFO nova.compute.manager
> [req-f1598257-3f35-40e6-b5aa-d47a0e93bfba None None] [instance:
> ce00ff1d-cf46-44de-9557-c5a0f91c8d67] Rebooting instance after nova-compute
> restart.
> >
> >
> >
> > Gabe
> >
> >
> >
> > From: openstack-bounces+gabe.westmaas=rackspace.com at lists.launchpad.net[mailto:
> openstack-bounces+gabe.westmaas=rackspace.com at lists.launchpad.net] On
> Behalf Of Sam Su
> > Sent: Monday, August 27, 2012 8:10 PM
> > To: openstack
> > Subject: [Openstack] HELP: All instances automatically rebooted.
> >
> >
> >
> > Hi,
> >
> >
> >
> > I have an Essex cluster with 6 compute nodes and one control nodes. All
> compute nodes are working not any interrupted, for some reason all
> instances in my cluster automatically rebooted. I am trying to but not
> figured out why this happened in these couple of days.
> >
> >
> >
> > It's much appreciated if someone can give me some hints about how to
> deal with this situation.
> >
> >
> >
> > Logs in my /var/log/upstart/nova-compute.log:
> >
> > http://pastebin.com/WYJtS5a5
> >
> >
> >
> > Let me know if need more info.
> >
> >
> > TIA,
> >
> > Sam
> >
> >
> >
> >
> > _______________________________________________
> > Mailing list: https://launchpad.net/~openstack
> > Post to     : openstack at lists.launchpad.net
> > Unsubscribe : https://launchpad.net/~openstack
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> >
> >
> >
> >
> > --
> > Alejandro
> >
> > _______________________________________________
> > Mailing list: https://launchpad.net/~openstack
> > Post to     : openstack at lists.launchpad.net
> > Unsubscribe : https://launchpad.net/~openstack
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>
>
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