[Linux-ha-dev] OCF Resource Agent Developer's Guide (Draft)
alexander.krauth at basf.com
alexander.krauth at basf.com
Mon Nov 22 03:02:36 MST 2010
> Hello everyone,
>
> my homework from the Cluster miniconf at Linux Plumbers this year was to
> write a developer's guide for use by OCF resource agent authors and
> contributors. An first draft of this is now ready for public review, and
> I would like to encourage everyone to take a look and provide feedback.
>
> The drafts are here:
> http://people.linbit.com/~florian/ra-dev-guide/ (HTML)
> http://people.linbit.com/~florian/ra-dev-guide.pdf (PDF)
>
> Any and all comments are much appreciated.
>
Hi Florian,
I did shortly read about your guide. Very good aggregation and definitely
a
good starting point to begin with own development.
Properly you could go into more datails about Master/Slave resources ?
Concrete I am missing something about the usage of the crm_master command.
And also something about the monitoring function in a M/S case. E.g.
should a M/S resource return OCF_NOT_RUNNING or OCF_FAILED_MASTER,
if there are no more processes of the resource on the node ? How should
the
agent remenber his last status ?
Best regards,
Alex
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