[Linux-HA] cib.xml config problem

Magnus Brown mbrown at nexagent.com
Wed Nov 29 04:46:21 MST 2006


Hi all,

Bit of background (always helps)

We are currently running heartbeat 2.0.3 on 2 nodes
3 resource groups - clone group ldap 
                  - clone group weblogic
                  - group fuego

This is to achieve the following requirements: -

Ldap can run on both nodes
Weblogic can run on both nodes
Fuego can only run on one node

I have attached the file cib.xml.2.0.3 to show how this is currently
achieved. 

The only file in /var/lib/heartbeat/crm is cib.xml and it is owned by
the root user.


We now have a new requirement that ldap is started before weblogic and
weblogic is started before fuego.

Initially I tried adding in an ordering constraint but failed dismally
to achieve this.

I saw that there was a newer version (2.0.7) so I downloaded and
installed that in the staging area.

I thought I might try and use the GUI to set up just one group
comprising: -

Ldap clone        - clone to allow an instance on each node
Weblogic clone    - clone to allow an instance on each node
Fuego

I put them in one group as I understood that groups have inherent
ordering.

First problem was that clone resources did not show up in the gui so I
was unable to add the monitor operation to my clone groups or in fact
see that they existed. They did exist in the cib.xml however.

SO I then thought I could set up the cib.xml using the gui, then add in
the operation bits afterwards to the file.

The new cib.xml file kept failing the dtd check and I can see that the
new .dtd file in 2.0.7 doesn't match the web documentation. I have tried
to write the new cib.xml file without success. I must add that I have
not programmed any xml before and with the lack of up to date examples
which use the current dtd rules I am just using a hit and miss approach
to try and get the syntax correct.

I'm at a bit of a loss how to proceed. I either need some up to date
documentation and up to date examples, or a gui where I can see the
cloned resources or someone to show me the text to add to the original
cib.xml so achieve the ordering we require,


Many thanks
Magnus

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