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Operating Systems Linux Red Hat PaceMaker Cluster Fence Device Post 302981475 by Padow1 on Tuesday 13th of September 2016 03:16:15 PM
Old 09-13-2016
You need to use whichever fence device is appropriate, not look for easiest. By your question, I'm guessing that you may not understand what the fence device is. Pacemaker needs to be able to force reboot nodes to prevent a situation where a node or nodes lose contact with one another and multiple hosts attempt to start the same services. Your fence device can be an HP ILO, a Dell DRAC, and Cisco UCS Manager, VMWare vsphere, rhevm, etc. It needs to be something that can force control the power of your system from outside of the system itself.

In your case, you should probably use fence_vmware_soap, which is provided by the fence-agents-vmware-soap.x86_64 package.
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FENCE_AGENT(8)						      System Manager's Manual						    FENCE_AGENT(8)

NAME
fence_vmware_soap - Fence agent for VMWare over SOAP API DESCRIPTION
fence_vmware_soap is an I/O Fencing agent which can be used with the virtual machines managed by VMWare products that have SOAP API v4.1+. Name of virtual machine (-n / port) has to be used in inventory path format (e.g. /datacenter/vm/Discovered virtual machine/myMachine). In the cases when name of yours VM is unique you can use it instead. Alternatively you can always use UUID to access virtual machine. fence_vmware_soap accepts options on the command line as well as from stdin. Fenced sends parameters through stdin when it execs the agent. fence_vmware_soap can be run by itself with command line options. This is useful for testing and for turning outlets on or off from scripts. Vendor URL: http://www.vmware.com PARAMETERS
-a, --ip=[ip] IP Address or Hostname This parameter is always required. -l, --username=[name] Login Name This parameter is always required. -p, --password=[password] Login password or passphrase -z, --ssl SSL connection -t, --notls Disable TLS negotiation -n, --plug=[id] Physical plug number, name of virtual machine or UUID This parameter is always required. -u, --ipport=[port] TCP/UDP port to use (default 80, 443 if --ssl TCP/UDP port to use for connection with device (Default Value: 80) -4, --inet4-only Forces agent to use IPv4 addresses only -6, --inet6-only Forces agent to use IPv6 addresses only -S, --password-script=[script] Script to retrieve password --ssl-secure SSL connection with verifying fence device's certificate --ssl-insecure SSL connection without verifying fence device's certificate -o, --action=[action] Fencing Action (Default Value: reboot) -v, --verbose Verbose mode -D, --debug-file=[debugfile] Write debug information to given file -V, --version Display version information and exit -h, --help Display help and exit -C, --separator=[char] Separator for CSV created by operation list (Default Value: ,) --power-timeout=[seconds] Test X seconds for status change after ON/OFF (Default Value: 20) --shell-timeout=[seconds] Wait X seconds for cmd prompt after issuing command (Default Value: 3) --login-timeout=[seconds] Wait X seconds for cmd prompt after login (Default Value: 5) --power-wait=[seconds] Wait X seconds after issuing ON/OFF (Default Value: 0) --delay=[seconds] Wait X seconds before fencing is started (Default Value: 0) --retry-on=[attempts] Count of attempts to retry power on (Default Value: 1) ACTIONS
on Power on machine. off Power off machine. reboot Reboot machine. status This returns the status of the plug/virtual machine. list List available plugs with aliases/virtual machines if there is support for more then one device. Returns N/A otherwise. monitor Check the health of fence device metadata Display the XML metadata describing this resource. STDIN PARAMETERS
ipaddr IP Address or Hostname This parameter is always required. login Login Name This parameter is always required. passwd Login password or passphrase ssl SSL connection notls Disable TLS negotiation port Physical plug number, name of virtual machine or UUID This parameter is always required. ipport TCP/UDP port to use for connection with device (Default Value: 80) inet4_only Forces agent to use IPv4 addresses only inet6_only Forces agent to use IPv6 addresses only passwd_script Script to retrieve password ssl_secure SSL connection with verifying fence device's certificate ssl_insecure SSL connection without verifying fence device's certificate action Fencing Action (Default Value: reboot) verbose Verbose mode debug Write debug information to given file version Display version information and exit help Display help and exit separator Separator for CSV created by operation list (Default Value: ,) power_timeout Test X seconds for status change after ON/OFF (Default Value: 20) shell_timeout Wait X seconds for cmd prompt after issuing command (Default Value: 3) login_timeout Wait X seconds for cmd prompt after login (Default Value: 5) power_wait Wait X seconds after issuing ON/OFF (Default Value: 0) delay Wait X seconds before fencing is started (Default Value: 0) retry_on Count of attempts to retry power on (Default Value: 1) fence_vmware_soap (Fence Agent) 2009-10-20 FENCE_AGENT(8)
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