[Pacemaker] Problem with ClusterIP

[Anne Nicolas]

Le 26/11/2014 13:07, Michael Schwartzkopff a écrit :
> Am Mittwoch, 26. November 2014, 12:54:20 schrieb Anne Nicolas:
>> Le 26/11/2014 12:23, Michael Schwartzkopff a écrit :
>>> Am Mittwoch, 26. November 2014, 12:01:36 schrieb Anne Nicolas:
>>>> Hi !
>>>>
>>>> I've been using clusterip for a while now without any problem in
>>>> Active/Passive clusters (2 nodes).
>>>
>>> Could you please explain, how could you use the ClusterIP in an
>>> active/passive cluster? ClusterIP ist for the use in an active/active
>>> cluster. See man iptables and look for the CLUSTERIP target.
>>>
>>>
>>> Please explain more detailed.
>>> What is your config?
>>> What do you expect the cluster to do?
>>> What really happens?
>>> Where is  the problem?
>>
>> Maybe my explanation was not that clear.
>
> Yes.
>
>> Here is my configuration
>>
>> crm configuration show
>>
>> node $id="17435146" pogcupsvr
>> node $id="34212362" pogcupsvr2
>> primitive apache ocf:heartbeat:apache \
>>           params configfile="/etc/httpd/conf/httpd.conf" \
>>           op start interval="0" timeout="40s" \
>>           op stop interval="0" timeout="60s"
>> primitive clusterip ocf:heartbeat:IPaddr2 \
>>           params ip="172.16.16.11" cidr_netmask="24" nic="eth0" \
>>           meta target-role="Started"
>> ...
>> property $id="cib-bootstrap-options" \
>>
>> dc-version="1.1.7-2.mga1-ee0730e13d124c3d58f00016c3376a1de5323cff" \
>>           cluster-infrastructure="corosync" \
>>           stonith-enabled="false" \
>>           no-quorum-policy="ignore"
>> rsc_defaults $id="rsc-options" \
>>           resource-stickiness="100"
>>
>> So I've started primary node (pogcupsvr). Configuration was checked and
>> ok. Then started the second node (pogcupsvr2). This time all the
>> configuration looked ok, no error but when I checked the network
>> configuration, eth0 was up on both nodes with same IP address of course,
>> instead of having it up only on primary node.
>
> If that is your config than the start of the IP address on BOTH nodes is really
> bad. This should not happen and is definitely an error.
>
> BUT: I doubt that this is you complete config, because this would not work
> anyway. The cluster would start the IP address on one node and the Webserver
> in the other node.
>
> Please paste the complete config. Then the community would be able to help.
>

Here is the complete configuration:

node $id="17435146" pogcupsvr
node $id="34212362" pogcupsvr2
primitive apache ocf:heartbeat:apache \
         params configfile="/etc/httpd/conf/httpd.conf" \
         op start interval="0" timeout="40s" \
         op stop interval="0" timeout="60s"
primitive clusterip ocf:heartbeat:IPaddr2 \
         params ip="172.16.16.11" cidr_netmask="24" nic="eth0" \
         meta target-role="Started"
primitive drbdserv ocf:linbit:drbd \
         params drbd_resource="server" \
         op monitor interval="60s"
primitive fsserv ocf:heartbeat:Filesystem \
         params device="/dev/drbd/by-res/server" directory="/clusterfs" 
fstype="ext4"
primitive libvirt-guests lsb:libvirt-guests
primitive libvirtd lsb:libvirtd
primitive mysql ocf:heartbeat:mysql \
         params binary="/usr/bin/mysqld_safe" config="/etc/my.cnf" 
datadir="/clusterfs/mysql" \
         op start interval="0" timeout="40s" \
         op stop interval="0" timeout="60s" \
         meta target-role="Started"
primitive named lsb:named
primitive samba lsb:smb
group services fsserv clusterip libvirtd samba apache mysql
ms drbdservClone drbdserv \
         meta master-max="1" master-node-max="1" clone-max="2" 
clone-node-max="1" notify="true"
colocation fs_on_drbd inf: fsserv drbdservClone:Master
order fsserv-after-drbdserv inf: drbdservClone:promote fsserv:start
property $id="cib-bootstrap-options" \
 
dc-version="1.1.7-2.mga1-ee0730e13d124c3d58f00016c3376a1de5323cff" \
         cluster-infrastructure="corosync" \
         stonith-enabled="false" \
         no-quorum-policy="ignore"
rsc_defaults $id="rsc-options" \
         resource-stickiness="100"


-- 
Anne
http://mageia.org