[Linux-HA] Adding Resource Monitoring

[Andrew Beekhof]

On Feb 4, 2008, at 10:40 AM, Barry wrote:

> Hi List
>
>
>
> I've been running a 2 node HA cluster for about 6 months now.
>
> Currently the cluster checks for machine failure and IP failure with  
> the
> ipfail module.
>
> Recently the Radius server has started to behave badly with memory  
> leaks and
> therefore I need to add resource monitoring.
>
> By reading some of the documentation it seems that I have to use the
> cibadmin utility to add this functionality.

you can only do resource monitoring if you use the crm (ie. add "crm  
yes" to ha.cf and stop using ipfail and haresources)

http://linux-ha.org/GettingStartedV2

>
>
> Currently no changes has been made to the cib at all. I'm just using  
> the
> standard config files.
>
> Where I am getting a bit confused is with what happens to the  
> current config
> files once I start using the cib.
>
> Does this replace them?
>
>
>
> My current haresources file:
>
>
>
> # haresources:
>
> Hostname_0 196.15.15.15 drbddisk::r0 Filesystem::/dev/drbd0::/ 
> drbd::ext3
> drbdlinks postgresql-8.2-custom apache2 freeradius
>
>
>
> As you may notice the system is running DRBD, postgresql, apache2 and
> freeradius.
>
> Currently I only need to monitor freeradius. The other services will  
> follow.
>
>
>
> My current ha.cf file:
>
>
>
> debugfile /var/log/ha-debug
>
> logfile     /var/log/ha-log
>
> logfacility local0
>
> serial      /dev/ttyS0  # Linux
>
> bcast eth1
>
> auto_failback on
>
> node Hostname_0
>
> node Hostname_1
>
> ping 196.15.15.1 #the default gateway
>
>
>
> Would someone please give me some pointers on how to implement this?
>
>
>
> (I've also read that my init script should contain status and monitor
> actions. How should this be implemented?)
>
>
>
> Thanks
>
> Barry
>
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> See also: http://linux-ha.org/ReportingProblems