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Shut down sequence of hyper-v cluster

Source: microsoft.public.virtualserver
Sent: 10/07/2009
From: Adin Sabic
Message:

When using clustering, I read that the VM's should not be configured to
automatically start or shutdown as the clustering services will mess things
up. I
understand that if you are shutting a node down, the VM's should be migrated
to the other node.

What is the behaviour and how should things be configured when both nodes
have to be shutdown at the same time (e.g. UPS shutdown event)? I need the
nodes and all VM's to shutdown cleanly and automatically start on reboot.

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Related Messages

RE: Shut down sequence of hyper-v cluster

Sent: 10/07/2009
From: Roger Johnson, MCITP (SA, EA)
Message:

Adin,

You want to make sure that the cluster is controlling the states of your
VM's to avoid erratic behavior caused by the VM config conflicting with the
cluster config. One of the major problems is with resources failing over and
coming online extremely slow.

You should set the VM start action to "Nothing" and the stop action to
"Save". When you make these changes make sure to refresh the VM config from
failover clustering.

Don't shutdown VM guest from within the guest themselves. This will lead to
the VM simply failing-over and coming back online on the other node. When you
need to shutdown a host down, simply quick migrate to the surviving host. If
you need to shutdown the surviving host, then shut down the VM's from
failover clustering on the surviving node. Although, this is not required as
the host will take the guest down for you as part of its shutdown process.

When the host come back online the cluster service will bring the VM back
online automatically.

"Adin Sabic" wrote:

Show quoted text

> When using clustering, I read that the VM's should not be configured to
> automatically start or shutdown as the clustering services will mess things
> up. I
> understand that if you are shutting a node down, the VM's should be migrated
> to the other node.
>
> What is the behaviour and how should things be configured when both nodes
> have to be shutdown at the same time (e.g. UPS shutdown event)? I need the
> nodes and all VM's to shutdown cleanly and automatically start on reboot.
>

RE: Shut down sequence of hyper-v cluster

Sent: 10/07/2009
From: Adin Sabic
Message:

A few questions. What if both hosts need to be shutdown simultaneously (both
are on same UPS), what will happen then?

Also, Is it safe to use Save State for domain controllers? I want machines
to shutdown (not save state) if both cluster nodes are shutdown.

If the start action is set to Nothing, will the VM's be started
automatically if both hosts come online at the same time? If so, what if I
dont want a VM to start automatically?

"Roger Johnson, MCITP (SA, EA)" wrote:

Show quoted text

> Adin,
>
> You want to make sure that the cluster is controlling the states of your
> VM's to avoid erratic behavior caused by the VM config conflicting with the
> cluster config. One of the major problems is with resources failing over and
> coming online extremely slow.
>
> You should set the VM start action to "Nothing" and the stop action to
> "Save". When you make these changes make sure to refresh the VM config from
> failover clustering.
>
> Don't shutdown VM guest from within the guest themselves. This will lead to
> the VM simply failing-over and coming back online on the other node. When you
> need to shutdown a host down, simply quick migrate to the surviving host. If
> you need to shutdown the surviving host, then shut down the VM's from
> failover clustering on the surviving node. Although, this is not required as
> the host will take the guest down for you as part of its shutdown process.
>
> When the host come back online the cluster service will bring the VM back
> online automatically.
>
> "Adin Sabic" wrote:
>
> > When using clustering, I read that the VM's should not be configured to
> > automatically start or shutdown as the clustering services will mess things
> > up. I
> > understand that if you are shutting a node down, the VM's should be migrated
> > to the other node.
> >
> > What is the behaviour and how should things be configured when both nodes
> > have to be shutdown at the same time (e.g. UPS shutdown event)? I need the
> > nodes and all VM's to shutdown cleanly and automatically start on reboot.
> >

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