[Pacemaker] Problem with drbd 2 primary + OCFS2 + server

[hj lee]

I found two issues in your configuration.

1. Still the last location constraint does not make sense. The server-www is
a group, not multistate master/slave, so role=master is wrong. This should
be msDRBD.
2. Why did you set max-master=2? As you said, both nodes came up as master,
most of constraints you configured does not make sense. For example,
colocation constraints says that server-www must be run with DRBD master.
But there are two masters in your cluster, it can not run it. Try it again
by deleting max-master=2, the default is 1.

Thanks

On Wed, Aug 19, 2009 at 10:21 AM, cudak at sonet.internetdsl.pl <
cudak at sonet.internetdsl.pl> wrote:

> hj lee pisze:
>
>> What is serwer-mysql? In the last location constraint, serwer-mysql should
>> be msDRBD I think. Does msDRBD come up master and slave? Or both came up
>> with slave?
>>
>> Thanks
>>
>> On Wed, Aug 19, 2009 at 1:25 AM, <cudak at sonet.internetdsl.pl <mailto:
>> cudak at sonet.internetdsl.pl>> wrote:
>>
>>    Hi, i would like to make following configuration: DRBD as master
>>    on two nodes +OCFS2, additionally after assembling system's files
>>    i want WWW
>>    server to start with assigned virtual IP. My configuaration is
>>    working, but
>>    unfortunately not properl. It turnes on DRBD, assebles files
>>    system, but WWW
>>    server and mysql don't start. crm_mon doesn't show any failed actions.
>>
>>    This is my config:
>>    primitive resDRBD ocf:heartbeat:drbd \
>>     op monitor role=Master interval=59s timeout=30s \
>>     op monitor role=Slave interval=60s timeout=30s \
>>           params drbd_resource="web"
>>
>>    primitive resOCFS2 ocf:heartbeat:Filesystem \
>>           params device="/dev/drbd0" directory="/home/drbd"
>>    fstype="ocfs2"
>>    ms msDRBD resDRBD \
>>           meta clone-max="2" master-max="2" notify="true"
>>
>>    clone cloneOCFS2 resOCFS2 \
>>           meta interleave="true" ordered="true"
>>
>>    primitive lighttpd lsb:lighttpd
>>
>>    primitive virtual-ip ocf:heartbeat:IPaddr2 \
>>    params ip="192.168.15.100" broadcast="255.255.255.0" nic="eth0"
>>    cidr_netmask="24" \
>>    op monitor interval=21s timeout=5s
>>
>>    group server-www virtual-ip lighttpd
>>
>>    order msDRBD-before-cloneOCFS2 inf: msDRBD:promote cloneOCFS2:start
>>
>>    order cloneOCFS2-before-server-www inf: cloneOCFS2:promote
>>    server-www:start
>>
>>
>>    colocation sever-www-on-msDRBD inf: server-www msDRBD:Master
>>
>>    location ms-drbd1-master-on-node2 serwer-mysql \
>>    rule id="ms-drbd1-master-on-node2-rule" role="master" 100: #uname
>>    eq node2
>>
>>
>>    Log doesn't show anything about it.
>>
>>
>>
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>>
>>
>>
>>
>> --
>> Dream with longterm vision!
>> kerdosa
>> ------------------------------------------------------------------------
>>
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>>
>>
> It's my mistake. There should be server-www. With this configuration msDRBD
> come up master on both nodes always, but if I will not start them in the
> same time the filesystem on the node that start later will not be mount (but
> drbd will be master on both nodes).
>
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> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>



-- 
Dream with longterm vision!
kerdosa
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