Open Stack

PXE/Admin network is used for rsyslog,nailgun agent-server communication.
In our environment we dont use pxe network after installation .
We are  using the management network to perform operations/maintenance of
openstack nodes and for syslog we have a dedicated server .You may power
off fuel with out any impact provided you have the ssh private key and list
of ip address used by the nodes if you want remote logging its better to
configure nodes to use a different syslog server.
regarding cron job i guess there is only one which reports node status to
nailgun server.you can remove that or ignore this entry.

On Sat, Sep 9, 2017 at 8:37 AM, Dan Dong <dongdan39 at gmail.com> wrote:

> Hi, All,
>   I have a question about the Fuel PXE/Admin network(10.20.0.*) in
> Mirantis Fuel 8.0.
> That is, after successful deployment of openstack, do we still need this
> network? I want to free the NIC occupied by this PXE network. Supposing we
> do not plan to reinstall or upgrade the openstack in future, or simply put,
> we want to remove the fuel server completely. In this case, what's the
> meaning of this PXE/Admin network for a running openstack? And, if we can
> remove this network, what the proper procedures to shutdown all
> services/daemons/cron jobs related to this network? Thanks so much!
>
> Cheers,
> Dan
>
>
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