[Linux-HA] Learning the CIB

[Andrew Beekhof]

On 1/8/07, vini.bill at gmail.com <vini.bill at gmail.com> wrote:
> Hi guys.
>
> Sorry for not sending anything ( my home HD died and I had to replace it ),
> this weekend. Fortunantely what I had made untill now was a basic
> reorganization of this page:
> http://www.linux-ha.org/ClusterResourceManager/DTD1.0/Annotated , and not
> soo important.
>
> 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.

its the "type" of resource you want. ie. IPaddr, FileSystem, etc.
there is no complete list because people can write their own

when class=ocf: anything in /usr/lib/ocf/resource.d//$provider/
when class=lsb: anything in /etc/init.d
when class=heartbeat anything in /etc/ha.d/resource.d

>
> 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 ...
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>