Thank you. I used this and it works.
Regards.
From: Ken Gaillot <kgail...@redhat.com>
To: users@clusterlabs.org
Sent: Thursday, 19 May 2016, 19:34:08
Subject: Re: [ClusterLabs] Node attributes
On 05/18/2016 10:49 PM, H Yavari wrote:
> Hi,
>
> How can I define a constraint for two resource based on one nodes
> attribute?
>
> For example resource X and Y are co-located based on node attribute Z.
>
>
>
> Regards,
> H.Yavari
Hi,
See
http://clusterlabs.org/doc/en-US/Pacemaker/1.1-pcs/html-single/Pacemaker_Explained/index.html#idm140617356537136
High-level tools such as pcs and crm provide a simpler interface, but
the concepts will be the same.
This works for location constraints, not colocation, but you can easily
accomplish what you want. If your goal is that X and Y each can only run
on a node with attribute Z, then set up a location constraint for each
one using the appropriate rule. If you goal is that X and Y must be
colocated together, on a node with attribute Z, then set up a regular
colocation constraint between them, and a location constraint for one of
them with the appropriate rule; or, put them in a group, and set up a
location constraint for the group with the appropriate rule.
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