[ClusterLabs] question about fence-virsh

Andrew Kerber andrew.kerber at gmail.com
Fri May 19 16:47:14 EDT 2017

What I am trying to say here is when I get one of the virtual machines in a
bad state, I can still log in and reboot it with the reboot command. But I
need my fencing resource to handle that reboot.

On Fri, May 19, 2017 at 1:32 PM, Andrew Kerber <andrew.kerber at gmail.com>

> Thanks for the answer, but thats not the problem.  I dont have access to
> the console, its a security issue.  I only have access within the virtual
> machines, so I want to send the reboot command within the virtual machine,
> not to the console. Typically our hangups are such that the reboot command
> works, and the machine hangs at starting back up, and I get an admin to go
> hit the console.
> On Fri, May 19, 2017 at 12:39 PM, Digimer <lists at alteeve.ca> wrote:
>> On 19/05/17 12:59 PM, Andrew Kerber wrote:
>> > I have been setting up a cluster on virtual machines with some shared
>> > resources.  The only fencing tool I have found designed for that
>> > configuration is fence virsh, but I have not been able to figure out
>> > from the documentation how to get fence-virsh to issue the reboot
>> > command.  Does anyone have a good explanation of how to configure
>> > fence-virsh to issue a reboot command?  I understand its not perfect,
>> > because in some hard lockup situations only hitting a power button will
>> > work, but for this configuration thats not really an option.
>> >
>> > --
>> > Andrew W. Kerber
>> fence_virsh -a <hypervisor_host_ip> -l root -p <hypevisor_host_root_pw>
>> -n <name_of_server_in_virsh> -o status
>> That should show the status. To reboot, change 'status' to 'reboot'.
>> If this doesn't work, make sure you can ssh from the nodes to the
>> hypervisor as the root user.
>> --
>> Digimer
>> Papers and Projects: https://alteeve.com/w/
>> "I am, somehow, less interested in the weight and convolutions of
>> Einstein’s brain than in the near certainty that people of equal talent
>> have lived and died in cotton fields and sweatshops." - Stephen Jay Gould
> --
> Andrew W. Kerber
> 'If at first you dont succeed, dont take up skydiving.'

Andrew W. Kerber

'If at first you dont succeed, dont take up skydiving.'
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