[one-users] Cluster Host VM resubmit triggering

[Carlos Martín Sánchez]

Hi,

This should be all explained in the Fault Tolerance guide [1], take a look
at it and let us know if something is missing.

Regards

[1] http://opennebula.org/documentation:rel3.8:ftguide
--
Carlos Martín, MSc
Project Engineer
OpenNebula - The Open-source Solution for Data Center Virtualization
www.OpenNebula.org | cmartin at opennebula.org |
@OpenNebula<http://twitter.com/opennebula><cmartin at opennebula.org>


On Wed, Feb 20, 2013 at 12:10 AM, Alberto Picón Couselo <
albertopicon at picon-networks.com> wrote:

>  Sorry, I copied the wrong hook. I mean Fault Tolerance Hook for Hosts:
>
>
> #*******************************************************************************
> # Fault Tolerance Hooks
>
> #*******************************************************************************
> # This hook is used to perform recovery actions when a host fails.
> # Script to implement host failure tolerance
> #   It can be set to
> #           -r resubmit VMs running in the host
> #           -d delete VMs running in the host
> #   Additional flags
> #           -f force resubmission of suspended VMs
> #           -p <n> avoid resubmission if host comes
> #                  back after n monitoring cycles
>
> #*******************************************************************************
> #
> #HOST_HOOK = [
> #    name      = "error",
> #    on        = "ERROR",
> #    command   = "ft/host_error.rb",
> #    arguments = "$ID -r",
> #    remote    = "no" ]
>
> #-------------------------------------------------------------------------------
> # These two hooks can be used to automatically delete or resubmit VMs that
> reach
> # the "failed" state. This way, the administrator doesn't have to interact
> # manually to release its resources or retry the deployment.
>
> Sorry for the mistake,
> Best Regards,
> Alberto Picón
>
> El 20/02/2013 0:05, Alberto Picón Couselo escribió:
>
> Hi all,
>
> Which are the configuration directives we have to change to activate a
> redeployment of the VMs running on a FAILED host member of a cluster?
>
> Do we have to uncomment in /etc/one/oned.conf the following hook?:
>
> #VM_HOOK = [
> #   name      = "on_failure_resubmit",
> #   on        = "FAILED",
> #   command   = "/usr/bin/env onevm resubmit",
> #   arguments = "$ID" ]
>
> #-------------------------------------------------------------------------------
>
> or there is a more specific cluster configuration parameter we have to
> change?. Which is the default behaviour of a cluster when a host member
> fails?
>
> Thank you in advance,
> Best Regards,
> Alberto Picón
>
>
>
>
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