[Linux-HA] Learning the CIB

[Andreas Kurz]

On 1/8/07, vini.bill at gmail.com <vini.bill at gmail.com> wrote:
...
> Now I intend to document parts of the CIB configuration options that are
> somehow obscure throughout the Linux-HA documentation. So... my questions
> is:
>
> - In the primitve directive we have a "type" property which should receive
> some expected values. Wich are these values? I'm looking everywhere on the
> Linux-HA site and still haven't found anything.

It is exactly as described in
http://www.linux-ha.org/ClusterResourceManager/DTD1.0/Annotated:
type - The name of the ResourceAgent you wish to use.

So if your primitive is of class 'ocf' and the provider 'heartbeat'
the type is the name of the RA located in
'/usr/lib/ocf/resource.d/heartbeat'.

Regards,
Andreas

>
> Today I`ll probably ask more about the constraints, rules ans expressions
> options.
>
> Vinicius Menezes
>
>
> On 1/6/07, Andrew Beekhof <beekhof at gmail.com> wrote:
> >
> > On 1/5/07, Pavol Gono <palo.gono at gmail.com> wrote:
> > > Hi
> > >
> > > Nice reading is in source tree:
> > > crm/crm-1.0.dtd
> > > crm/crm.txt (chapter 5)
> > > Just take the latest sources from http://hg.linux-ha.org/dev/. Web
> > > page http://www.linux-ha.org/ClusterResourceManager/DTD1.0/Annotated
> > > is maybe not quite up-to-date.
> > >
> > > I'll answer what is simple to answer :)
> > >
> > >
> > > On 1/5/07, vini.bill at gmail.com <vini.bill at gmail.com> wrote:
> > > > Hi guys.
> > > >
> > > >     As I said in a previous mail, I'm Writing a document teaching how
> > to use
> > > > the CIB Tags, how to place them, what they mean and something more
> > that I
> > > > haven't foreseen. I intend to contribute it back to the project. I'd
> > like to
> > > > discuss some topics that I haven't understood very well so as I can
> > write
> > > > about them. I'll also make some minor comparsions with XHTML to make
> > things
> > > > a bit clearer to me but I won't make these on the final text.
> > > >
> > > >     Today, before leaving work I'll seek somewhere to post it so you
> > can
> > > > take a look at my progress. It`ll be in a Wiki format since I`m going
> > to
> > > > publish it on the wiki we have here and to make easier to add to the
> > main
> > > > documentation.
> > > >
> > > > 1) Is there any directive that isn't contained on the <cib> </cib> ?
> > Can I
> > > > create groups of configurations ( if yes, what would be the necessity
> > to
> > > > have it? ) ?
> >
> > i dont understand the question
> >
> > > >
> > > > 2) There are only 4 configuration tags: (1) constraints, (2)
> > crm_config and
> > > > (3) resources and the (4) nodes. Is that right ?
> > >
> > > yes
> >
> > correct.  and how do we know this?
> > we know this because the DTD says so:
> >   <!ELEMENT configuration (crm_config, nodes, resources, constraints)>
> >
> > I suggest starting with wikipedia's entry on DTDs:
> >     http://en.wikipedia.org/wiki/Document_Type_Definition
> >
> > >
> > > >
> > > > 3) What does the empty <nodes/> tag mean? The CRM daemon will fill in
> > every
> > > > node automagically ?
> > >
> > > yes, user doesn't need to fill in nodes tag.
> > >
> > > >
> > > > 4) What do operations do in a primitive?
> > >
> > > e.g. you can tell heartbeat to monitor your resource
> >
> > or override various defaults... like what action to take if a start
> > action fails (or how long to wait before deciding that it failed)
> >
> > >
> > > >
> > > > 5) What is the difference between <atributes> and <instance_atributes>
> > ??
> >
> > more information?
> >
> > > > 6) Is there any tag missing on this page (
> > > > http://www.linux-ha.org/ClusterResourceManager/DTD1.0/Annotated ) that
> > I
> > > > should look for by myself ?
> > >
> > > See crm/crm-1.0.dtd
> >
> > correct, the online version seems to be somewhat out of date
> >
> > > > 7) What does the empty <status/> tag mean?
> > >
> > > status tag is filled in by heartbeat at runtime, user shouldn't write
> > > to it. The command "cibadmin -Ql" is good for reading this tag.
> > _______________________________________________
> > Linux-HA mailing list
> > Linux-HA at lists.linux-ha.org
> > http://lists.linux-ha.org/mailman/listinfo/linux-ha
> > See also: http://linux-ha.org/ReportingProblems
> >
>
>
>
> --
> ... Vinicius Menezes ...
> _______________________________________________
> Linux-HA mailing list
> Linux-HA at lists.linux-ha.org
> http://lists.linux-ha.org/mailman/listinfo/linux-ha
> See also: http://linux-ha.org/ReportingProblems
>