<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;">Graceful shutdown? The question I also have is:<br>In a two node cluster when you shoutdown (shutdown/reboot command)<br>the active node should this cause a failover?<br><br><br><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;">----- Original Message ----<br>From: Riaan van Niekerk <riaan@obsidian.co.za><br>To: linux clustering <linux-cluster@redhat.com><br>Sent: Monday, September 11, 2006 8:31:14 AM<br>Subject: Re: [Linux-cluster] power controller is interal/loss of pwer prevents failover: any ideas<br><br><div><br>Lon Hohberger wrote:<br>> On Fri, 2006-09-08 at 11:16 -0700, Rick Rodgers wrote:<br>>> Does anyone know of a good solution to providing good failover <br>>> for somthing like a Dell 1850? The issue here is that the power <br>>> souce plug in the back provides power for both the internal power<br>>> controller<br>>> and the node itself. So if you pull the cord it will not failover<br>>> because<br>>> it can not Stonith the failed node (power controller is down also).<br>> <br>> Generally, you can't handle this without external fencing.<br>> <br>> <a target="_blank" href="https://www.redhat.com/archives/linux-cluster/2006-September/msg00026.html">https://www.redhat.com/archives/linux-cluster/2006-September/msg00026.html</a><br>> <br>> -- Lon<br>> <br><br>Lon - having reread that previous posting of yours, and esp the last <br>paragraph:<br><br>+++<br>(c) ... If a host does a "graceful shutdown" when<br>you fence it via IPMI, you need to disable ACPI on that host (e.g. boot<br>with acpi=off). The server should turn off immediately (or within 4-5<br>seconds, like when holding an ATX power button in to force a machine<br>off).<br>++++<br><br>Just so I am absolutely sure about this: Is the above the only scenario <br>when would have to disable ACPI? e.g. a graceful shutdown is easy to <br>spot. If I don't see one in the logs, that means I can leave ACPI on?<br><br>Riaan<br></div><div>begin:vcard<br>fn:Riaan van Niekerk<br>n:van Niekerk;Riaan<br>org:Obsidian Systems;Obsidian Red Hat Consulting<br>email;internet:riaan@obsidian.co.za<br>title:Systems Architect<br>tel;work:+27 11 792 6500<br>tel;fax:+27 11 792 6522<br>tel;cell:+27 82 921 8768<br>x-mozilla-html:FALSE<br>url:<a target="_blank" href="http://www.obsidian.co.za">http://www.obsidian.co.za</a><br>version:2.1<br>end:vcard<br><br></div><div>--<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></div></div><br></div></div></body></html>