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List:       linux-ha-dev
Subject:    [Linux-ha-dev] OCF resources on a Multi-OS cluster
From:       "Sebastian Reitenbach" <sebastia () l00-bugdead-prods ! de>
Date:       2007-10-31 7:25:57
Message-ID: 20071031072557.CB0363DCC9 () smtp ! l00-bugdead-prods ! de
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Hi,

I updated the mysql OCF resource script a bit:
http://old.linux-foundation.org/developer_bugzilla/show_bug.cgi?id=1760

I changed it this way, so that on OpenBSD, the default values for the 
OCF_RESOURCE_ parameters are differently than on other operating systems. 
This allows to run a cluster where the nodes will have different operating 
systems. E.g. I chose some sane defaults for the location of the binary, the 
dba user name, pid-file, stuff like that. Now when configuring a mysql 
resource, I do not really have to define a parameter in the cluster 
configuration, because sane defaults are choosen on runtime.
Without that patch, the mysql resource would only be able to run on e.g. 
Linux or OpenBSD, because if I left the defaults untouched, it would work on 
Linux, if I changed them to work for OpenBSD, they stop working on Linux, 
does that makes sense to you. 
Well, I have no idea, where in production someone will run a multi OS 
cluster, but who knows... At least it will make the configuration of mysql 
OCF resource on OpenBSD a lot easier for the user as he doesn't need to 
specify so many parameters.

I also have that done for the pgsql OCF resource script, and could do that 
for others too in case someone says thats fine and it will get into the 
tree. 

Thanks
Sebastian

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