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[Alessandro Tagliapietra <tagliapietra.alessandro@xxxxxxxxx>]

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@xxxxxxxxx> 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@xxxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxxxxxx [mailto:openstack-bounces+gabe.westmaas=rackspace.com@xxxxxxxxxxxxxxxxxxx] 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
> 
>  
> 
> 
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> 
> 
> 
> -- 
> Alejandro
> 
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