[Linux-cluster] sanity check

[crypto grid]

On Fri, Aug 14, 2009 at 10:23 PM, <jason at monsterjam.org> wrote:

> On Fri, Aug 14, 2009 at 07:12:34PM -0300, crypto grid wrote:
> >    Your failover domain includes server1 and server2, and you have two
> >    diferent services using the same ip address in the services section. I
> >    wonder what happen if you have to realocate just one of the services?
> I
> >    think you couldn't.
> >
> >    I think you have to define two different ip addresses in the resource
> >    section, one for apache and one for postfix.
> >
> >    I'm not saying that this is causing the problem, I'd try disabling one
> >    service and enabling just one.
> >
>
> ok, Ive just modified it to be the following config, and it looks like it
> works fine.
> But please tell me if theres anything  else Ive missed.


I don't see anything wrong regarding to the resources and service sections.
After the ip address adition, are the cluster and services working
correctly?


>
>
> thanks for the help!
>
> Jason
>
>
> [jason at server1 ~]$ sudo cat /etc/cluster/cluster.conf
> <?xml version="1.0"?>
> <cluster config_version="26" name="mycluster">
>        <fence_daemon clean_start="0" post_fail_delay="0"
> post_join_delay="3"/>
>        <clusternodes>
>                <clusternode name="server1" votes="1">
>                        <fence>
>                                <method name="1">
>                                        <device name="apc_power_switch"
> option="off" port="1" switch="1"/>
>                                        <device name="apc_power_switch"
> option="off" port="2" switch="1"/>
>                                        <device name="apc_power_switch"
> option="on" port="1" switch="1"/>
>                                        <device name="apc_power_switch"
> option="on" port="2" switch="1"/>
>                                </method>
>                        </fence>
>                </clusternode>
>                <clusternode name="server2" votes="1">
>                        <fence>
>                                <method name="1">
>                                        <device name="apc_power_switch"
> option="off" port="3" switch="1"/>
>                                        <device name="apc_power_switch"
> option="off" port="4" switch="1"/>
>                                        <device name="apc_power_switch"
> option="on" port="3" switch="1"/>
>                                        <device name="apc_power_switch"
> option="on" port="4" switch="1"/>
>                                </method>
>                        </fence>
>                </clusternode>
>        </clusternodes>
>        <cman expected_votes="1" two_node="1"/>
>        <fencedevices>
>                <fencedevice agent="fence_apc" ipaddr="192.168.1.8"
> login="xxxxx" name="apc_power_switch" passwd="xxxx2xxx"/>
>        </fencedevices>
>        <rm>
>                <failoverdomains>
>                        <failoverdomain name="httpd" ordered="1"
> restricted="1">
>                                <failoverdomainnode name="server1"
> priority="1"/>
>                                <failoverdomainnode name="server2"
> priority="2"/>
>                        </failoverdomain>
>                </failoverdomains>
>                <resources>
>                        <script file="/etc/init.d/httpd"
> name="cluster_apache"/>
>                        <ip address="192.168.1.9" monitor_link="1"/>
>                        <script file="/etc/init.d/postfix"
> name="cluster_posstfix"/>
>                        <ip address="192.168.1.7" monitor_link="1"/>
>                </resources>
>                <service autostart="1" domain="httpd" name="Apache Service">
>                        <script ref="cluster_apache"/>
>                        <ip ref="192.168.1.9"/>
>                </service>
>                <service autostart="1" domain="httpd" name="postfix
> service">
>                        <script ref="cluster_posstfix"/>
>                        <ip ref="192.168.1.7"/>
>                </service>
>        </rm>
> </cluster>
>
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