[Pacemaker] HA DHCP3 server on Ubuntu

[Michael Schwartzkopff]

On Wednesday 27 October 2010 09:18:15 Simon Jansen wrote:
> Hi all,
> 
> I'm trying to configure an active/passive DHCP3 server on Ubuntu 10.04 LTS
> Server test systems running pacemaker. I set up a DRBD partition to
> replicate the data between the clusternodes. The DRBD partition works fine.
> I moved the relevant DHCP data (dhcpd.leases and dhcpd.conf) to the DRBD
> partition. So when a failover occurs the other node is able to continue the
> service with the same data. I'm able to start the DHCP server manually by
> running the following command: /usr/sbin/dhcpd3 -pf
> /var/run/dhcp3-server/dhcpd.pid -cf
> /mnt/DRBD/clusterData/drbd0/dhcp/cnf/dhcpd.conf -lf
> /mnt/DRBD/clusterData/drbd0/dhcp/data/dhcpd.leases
> 
> Further I configured the following cluster resource using the antything RA:
> primitive resDHCP ocf:heartbeat:anything \
> params binfile="/usr/sbin/dhcpd3" cmdline_options="-pf
> /var/run/dhcp3-server/dhcpd.pid -cf
> /mnt/DRBD/clusterData/drbd0/dhcp/cnf/dhcpd.conf -lf
> /mnt/DRBD/clusterData/drbd0/dhcp/data/dhcpd.leases"
> pidfile="/var/run/dhcp3-server/dhcpd.pid" \
> op monitor interval="10" timeout="50" depth="0"
> But the service fails to start. The error description is 'unknown error'.
> Maybe somone has a clue to fix this problem.
> 
> In addition I would like to know if it is recommended to use the anything
> RA or should I change the paths in the init script and use the lsb RA?

Hi,

error: Please send logs. Especially those with "ERROR" in it ;-)

RA: I'd prefer the init script since it is more specific for this service. 
Please check if a good status() section is included that detects possible 
problems.

Greetings,
-- 
Dr. Michael Schwartzkopff
Guardinistr. 63
81375 München

Tel: (0163) 172 50 98
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