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Re: [Linux-cluster] cluster not doing failover




On Mar 9, 2007, at 5:30 PM, Sai Loganathan wrote:
<x-tad-bigger>            <fencedevices></x-tad-bigger>
<x-tad-bigger>                        <fencedevice agent="fence_ilo" hostname="admin"</x-tad-bigger>
<x-tad-bigger>login="admin" name="node1_fence" passwd="admin"/></x-tad-bigger>
<x-tad-bigger>                        <fencedevice agent="fence_ilo" hostname="admin"</x-tad-bigger>
<x-tad-bigger>login="admin" name="node2_fence" passwd="admin"/></x-tad-bigger>
<x-tad-bigger>            </fencedevices></x-tad-bigger>

The above line look funny to me. The hostname for the fence device is "admin"?

<x-tad-bigger>Using the cluster ip address (172.40.2.119), I was able to do an nfs</x-tad-bigger>
<x-tad-bigger>mount of the shared lun from a 3rd machine. Started an infinite ls on</x-tad-bigger>
<x-tad-bigger>that lun.</x-tad-bigger>
<x-tad-bigger>To simulate failover, I just powered-down the node1 and hoping to see</x-tad-bigger>
<x-tad-bigger>the read io stop but resume via the node2. But, I see the following</x-tad-bigger>
<x-tad-bigger>error message on the node 2.</x-tad-bigger>
<x-tad-bigger>Mar  9 12:14:49 node2 fenced[7422]: fence "node1" failed</x-tad-bigger>
<x-tad-bigger>Mar  9 12:14:54 node2 fenced[7422]: fencing node "node1"</x-tad-bigger>
<x-tad-bigger>Mar  9 12:14:54 node2 fenced[7422]: agent "fence_ilo" reports: Can't</x-tad-bigger>
<x-tad-bigger>call method "configure" on an undefined value at /sbin/fence_ilo line</x-tad-bigger>
<x-tad-bigger>169, <> line 4.</x-tad-bigger>
<x-tad-bigger>Mar  9 12:14:54 node2 fenced[7422]: fence "node1" failed</x-tad-bigger>
<x-tad-bigger>Mar  9 12:14:59 node2 fenced[7422]: fencing node "node1"</x-tad-bigger>
<x-tad-bigger>Mar  9 12:14:59 node2 fenced[7422]: agent "fence_ilo" reports: Can't</x-tad-bigger>
<x-tad-bigger>call method "configure" on an undefined value at /sbin/fence_ilo line</x-tad-bigger>
<x-tad-bigger>169, <> line 4.</x-tad-bigger>
<x-tad-bigger> </x-tad-bigger>
<x-tad-bigger>Seems like I am not doing something correct with respect to fencing.</x-tad-bigger>
<x-tad-bigger>Can I setup cluster without fencing first of all?</x-tad-bigger>

Yes. You can use manual fencing. That should only be used for testing purposes though... it is not a supported configuration.


brassow
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