>>> Andrew Beekhof <[email protected]> schrieb am 11.10.2012 um 02:43 in
>>> Nachricht
<CAEDLWG2YV4MTvpUvg2t5fOsei-=4olymkmocf4fovphka6t...@mail.gmail.com>:
> On Tue, Sep 25, 2012 at 10:44 PM, Ulrich Windl
> <[email protected]> wrote:
> > Hi!
> >
> > I have a question on pacemaker: Can I have a ordering and location
> constraint between a primitive and an instance of a clone instance? I'm usure
> whether or how it works.
> >
> > Background: If you have a cluster filesystem that is running on n nodes
> (maybe not all of your notes), and you want to run a virtual machine where a
> CFS is running and after the CFS is started. Likewise, if an instance of the
> clones CFS goes down, the dependent VM on that node should also go down.
> >
> > If my CFS is "cln_cfs_VMs", and my VMs are like "prm_xen_s*", I tried:
> > colocation col_Xen_VMs_cfs inf: ( prm_xen_s01 prm_xen_s02 prm_xen_s03
> prm_xen_s04 prm_xen_s05 prm_xen_s06 prm_xen_s07 ) cln_cfs_VMs
> > order ord_cfs_VMs_Xen inf: cln_cfs_VMs ( prm_xen_s01 prm_xen_s02
> prm_xen_s03 prm_xen_s04 prm_xen_s05 prm_xen_s06 prm_xen_s07 )
>
> I've gives up trying to understand the shell syntax for sets... can
> you show me the xml?
Hi!
Sorry I was on holiday ;-)
<rsc_colocation id="col_Xen_VMs_cfs" score="INFINITY">
<resource_set id="col_Xen_VMs_cfs-0" sequential="false">
<resource_ref id="prm_xen_s01"/>
<resource_ref id="prm_xen_s02"/>
<resource_ref id="prm_xen_s03"/>
<resource_ref id="prm_xen_s04"/>
[...]
</resource_set>
<resource_set id="col_Xen_VMs_cfs-1">
<resource_ref id="cln_cfs_VMs"/>
</resource_set>
</rsc_colocation>
and
<rsc_order id="ord_cfs_VMs_Xen" score="INFINITY">
<resource_set id="ord_cfs_VMs_Xen-0">
<resource_ref id="cln_cfs_VMs"/>
</resource_set>
<resource_set id="ord_cfs_VMs_Xen-1" sequential="false">
<resource_ref id="prm_xen_s01"/>
<resource_ref id="prm_xen_s02"/>
<resource_ref id="prm_xen_s03"/>
<resource_ref id="prm_xen_s04"/>
[...]
</resource_set>
</rsc_order>
Regards,
Ulrich
> What you describe should be possible, I'm just not sure if you have
> the right syntax.
>
> >
> > The CFS is OCFS with ist own constraints:
> > order ord_DLM_O2CB inf: cln_DLM cln_O2CB
> > order ord_OCFS_fs inf: cln_O2CB ( cln_cfs_locks1 cln_cfs_VMs )
> >
> > Is this too complex for CRM to handle, or did I simply make a mistake?
> >
> > Regards,
> > Ulrich
> >
> >
> > _______________________________________________
> > Linux-HA mailing list
> > [email protected]
> > http://lists.linux-ha.org/mailman/listinfo/linux-ha
> > See also: http://linux-ha.org/ReportingProblems
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>
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