[ClusterLabs] what is the "best" way to completely shutdown a two-node cluster ?
Jehan-Guillaume de Rorthais
jgdr at dalibo.com
Wed Feb 9 05:26:39 EST 2022
On Wed, 9 Feb 2022 10:46:30 +0100 (CET)
"Lentes, Bernd" <bernd.lentes at helmholtz-muenchen.de> wrote:
> ----- On Feb 7, 2022, at 4:13 PM, Jehan-Guillaume de Rorthais jgdr at dalibo.com
> > On Mon, 7 Feb 2022 14:24:44 +0100 (CET)
> > "Lentes, Bernd" <bernd.lentes at helmholtz-muenchen.de> wrote:
> >> Hi,
> >> i'm currently changing a bit in my cluster because i realized that my
> >> configuration for a power outtage didn't work as i expected. My idea is
> >> currently:
> >> - first stop about 20 VirtualDomains, which are my services. This will
> >> surely takes some minutes. I'm thinking of stopping each with a time
> >> difference of about 20 seconds for not getting to much IO load. and then
> >> ...
> >> - how to stop the other resources ?
> > I would set cluster option "stop-all-resources" so all remaining resources
> > are stopped gracefully by the cluster.
> > Then you can stop both nodes using eg. "crm cluster stop".
> > On restart, after both nodes are up and joined to the cluster, you can set
> > "stop-all-resources=false", then start your VirtualDomains.
> Aren't the VirtualDomains already started by "stop-all-resources=false" ?
I'm not sure how "crm resource stop <id>" actually stop a resource. I thought
it would set "target-role=Stopped", but I might be wrong.
If "crm resource stop" actually use "target-role=Stopped", I believe the
resources would not start automatically after setting
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