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On Mon, 16 Apr 2012 16:17:55 +0300, Salman Malik <salmanmk at live.com> wrote:

>
> Hi All,
>
> A quick question regarding nova.conf: How can I modify nova.conf and get  
> it to work with devstack. The problem that I am facing is after  
> modifying nova.conf, I have to reboot so as to restart services. But  
> when I reboot, devstack needs to be reinstalled all over again using  
> stack.sh and in the process it rewrites /etc/nova/nova.conf.

You can restart services without reboot like this

sudo service nova-compute restart

> Also according to documentation we can set flags in nova.conf using  
> --<flag_name>=<flag_value> format. Is that an obsolete format ? (because  
> the nova.conf that devstack creates don't have any -- in it).

Essex has new format for nova.conf without dashes.

> Please let me know how to effectively modify nova.conf so that the  
> changes take effect (I am looking forward to change the network  
> manager...)
>
> Thanks!
>
> Salman