<html><head><style type="text/css"></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt"><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;">When you say redundant power supply, do you mean they <br> have the same IP address?. If not, how does Clumanger handle talking<br> to two power supplys? And if one goes down how does it know to <br> talk to the other? Is there a configuration in cluster.xml?<br><br><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;">----- Original Message ----<br>From: Ken Johnson <busyadmin@gmail.com><br>To: linux clustering <linux-cluster@redhat.com><br>Sent: Sunday, September 10, 2006 9:42:16 PM<br>Subject: Re: [Linux-cluster] power controller is interal/loss of pwer prevents failover: any ideas<br><br><div>On Sun, 10 Sep 2006 at 21:14 -0700, Rick Rodgers wrote:<br>> Yes I was, but if the power controller is down (unreachable)<br>> and the system (node) is hung how can these fence anything?<br>> By pulling the plug you loose both and you can not be sure of anything<br>> since you can not successfully issue a power cycle command.<br><br>I'm not sure I understand what you mean by "if the power controller is<br>down". These systems can be configured with redundant power supplies<br>and if both power supplies fail then there's not anything you can do<br>to fence a system.<br><br>> Thanks for your input though.<br><br>sure, np<br><br>- Ken<br><br>--<br>Linux-cluster mailing list<br>Linux-cluster@redhat.com<br><a target="_blank" href="https://www.redhat.com/mailman/listinfo/linux-cluster">https://www.redhat.com/mailman/listinfo/linux-cluster</a><br></div></div><br></div></div></body></html>