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Ben,

As the error message suggests, it is due to a duplicated option of scheduler_host_manager. It is specified more than once somewhere.

Thanks,

Joseph

----- Original Message -----
From: "Ben" <ben.div at gmail.com>
To: openstack at lists.launchpad.net
Sent: Wednesday, August 22, 2012 8:27:39 AM
Subject: Re: [Openstack] Unable to start nova-scheduler : duplicate option:	scheduler_host_manager

Hi,

No idea for my scheduler problem ? It was working at the beginning (I 
suppose because I could launch instances), but I did a lot of 
modification, modifying networks, deleting nova db, rebuild it, etc.

Any idea on what I can do to identify the problem ? Where can I find the 
mentionned option except in nova.conf ?

Ben

Le 22/08/2012 00:46, Ben a écrit :
> Hi,
>
> I'm trying to setup a little nova cluster with 3 nodes :
>
> - 1 controller node running all services but compute
> - 2 compute nodes running compute and network only
>
> I have faced a lot of issues, but I can't understand this one. When I
> start nova-scheduler on controller node, the process dies instantly with
> this error :
>
> CRITICAL nova [-] duplicate option: scheduler_host_manager
>
> So I can't start an instance, it remains stuck in building state. I have
> checked my nova.conf file, and I only see this line :
>
> --scheduler_driver=nova.scheduler.simple.SimpleScheduler
>
> What does means this error, how can I solve it ?
>
> Thanks,
>
> Ben

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