[Linux-HA] Announcing! Release 2.0.0 of Linux-HA is now available!
Andrew Beekhof (GMail)
beekhof at gmail.com
Tue Aug 2 07:21:57 MDT 2005
On Aug 2, 2005, at 2:52 PM, Bernhard Limbach wrote:
> just two little questions when trying to get started with 2.0.0:
> 1. What is the official way to set up an initial CIB ?
> From the documentation and some comments in the mailing lists I
> deduced that I have to use cibadmin (exclusivly?) to modify the CIB.
> As far as I understand, this only works when heartbeat is running
> Thus I started heartbeat on all nodes with "crm yes" in ha.cf and it
> started without resources and assumedly some default settings.
> Then I added a resource and the resource was started immediately on
> one of the nodes.
> Well, I could go on like this, but what I am missing is some way to
> prepare the system in advance without having heartbeat running. (The
> old way with 1.2.3 was to edit ha.cf and haresources and then
> starting heartbeat, wasn't it ?)
If every node in the cluster is stopped, only then can you edit the
CIB by hand.
The node on which you made the changes should then be started first.
Is is also a good idea to increment admin_epoch when doing this.
alternatively, you can add the resources as being initially unmanaged
and only set them to be managed once you have put in the rest of the
> 2. What is the implementation status of multi state resources (master/
> slave) (especially drbd) ?
one of the two highest priority features that will be in the upcoming
point releases (2.0.x).
> I found some drafts in the documentation and the OCF drbd resource
> agent shipped with 2.0.0 contains the promote/demote commands but I
> could not find out whether it is recommended to use this or the old
> way (heartbeat-type drbddisk resource agent).
> Just a little confused about some basic ideas...
> Bernhard Limbach
> Dr. Bernhard LIMBACH Phone: +49 721 9497 - 241
> COMSOFT GmbH Fax: +49 721 9497 - 129
> Wachhausstrasse 5a http://www.comsoft.de
> 76227 Karlsruhe, Germany mailto: bernhard.limbach at comsoft.de
> Linux-HA mailing list
> Linux-HA at lists.linux-ha.org
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