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Re: [Linux-cluster] power controller is interal/loss of pwer prevents failover: any ideas



When you say  redundant power supply, do you mean they 
have the same IP address?. If not, how does Clumanger handle talking
to two power supplys? And if one goes down how does it know to
talk to the other? Is there a configuration in cluster.xml?

----- Original Message ----
From: Ken Johnson <busyadmin gmail com>
To: linux clustering <linux-cluster redhat com>
Sent: Sunday, September 10, 2006 9:42:16 PM
Subject: Re: [Linux-cluster] power controller is interal/loss of pwer prevents failover: any ideas

On Sun, 10 Sep 2006 at 21:14 -0700, Rick Rodgers wrote:
> Yes I was, but if the power controller is down (unreachable)
>  and the system (node)  is hung how can these fence anything?
>  By pulling the plug you loose both and you can not be sure of anything
>  since you can not successfully issue a power cycle command.

I'm not sure I understand what you mean by "if the power controller is
down". These systems can be configured with redundant power supplies
and if both power supplies fail then there's not anything you can do
to fence a system.

>  Thanks for your input though.

sure, np

- Ken

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