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RE: [Linux-cluster] custom fence agent



Title: custom fence agent
I am currently using GFS 6.0, so there is no cluster.conf.  I have included all three files, cluster.css, fence.css and nodes.css.

[root imagine CSM_ACN]# more *
::::::::::::::
cluster.ccs
::::::::::::::
cluster
{
        name = "CSM_ACN"
        lock_gulm
        {
                servers = ["imagine.Mines.EDU","illuminate.Mines.EDU","illusion.Mines.EDU"]
                heartbeat_rate = 3.0
                allowed_misses = 5
        }
}
::::::::::::::
fence.ccs
::::::::::::::
fence_devices
{
        CSMACN_fence
        {
                agent = "fence_cisco"
        }
}
::::::::::::::
nodes.ccs
::::::::::::::
nodes
{
        imagine.Mines.EDU
        {
                ip_interfaces
                {
                        eth0 = "138.67.130.1"
                }
                fence
                {
                        snmpfence
                        {
                                CSMACN_fence
                                {
                                        port="imagine"
                                }
                        }
                }
        }
 
        illuminate.Mines.EDU
        {
                ip_interfaces
                {
                        eth0 = "138.67.130.2"
                }
                fence
                {
                        snmpfence
                        {
                                CSMACN_fence
                                {
                                        port="illuminate"
                                }
                        }
                }
        }
 
        illusion.Mines.EDU
        {
                ip_interfaces
                {
                        eth0 = "138.67.130.3"
                }
                fence
                {
                        snmpfence
                        {
                                CSMACN_fence
                                {
                                        port="illusion"
                                }
                        }
                }
        }
 
        inspire.Mines.EDU
        {
                ip_interfaces
                {
                        eth0 = "138.67.130.5"
                }
                fence
                {
                        snmpfence
                        {
                                CSMACN_fence
                                {
                                        port="inspire"
                                }
                        }
                }
        }
        inception.Mines.EDU
        {
                ip_interfaces
                {
                        eth0 = "138.67.130.4"
                }
                fence
                {
                        snmpfence
                        {
                                CSMACN_fence
                                {
                                        port="inception"
                                }
                        }
                }
        }
        incantation.Mines.EDU
        {
                ip_interfaces
                {
                        eth0 = "138.67.130.6"
                }
                fence
                {
                        snmpfence
                        {
                                CSMACN_fence
                                {
                                        port="incantation"
                                }
                        }
                }
        }
}
[root imagine CSM_ACN]#

On Tue, 2005-12-06 at 10:12, Jeff Dinisco wrote:
Matt,
 
This script is great.  I just finished hacking on it for my own purposes and it's working well from the command line.  Could you pass along your fencing section from cluster.conf as well?  Thanks a million.
 
 - Jeff DiNisco

From: linux-cluster-bounces redhat com [mailto:linux-cluster-bounces redhat com] On Behalf Of Matt Brookover
Sent: Wednesday, November 30, 2005 5:34 PM
To: linux clustering
Subject: Re: [Linux-cluster] custom fence agent



I took the fence_apc and hacked it to do what I needed.  The fence agents are perl scripts and can easily be modified to fit most any SAN.

Matt

On Wed, 2005-11-30 at 13:58, Jeff Dinisco wrote:
Could someone outline the rules for creating your own fencing agent and how they're applied in cluster.conf?  Or just point me to a doc?  Thanks

- Jeff



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