09-26-2008
Quote:
Originally Posted by
avronius
Be aware, some administrators set this to false for a reason.
For instance, if there is an issue in the middle of the night - and a host reboots automatically, you may not be aware that an event occurred. This can be more of a problem if there is a specific order that hosts need to be brought online for.
ie: Database server up, then application server up. Database server dies and reboots. Application server does not respond properly until it is rebooted. This could result in a loss of data.
there is an "reboot-on-error" option to be sure this don't happens!
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LEARN ABOUT DEBIAN
fence_alom
FENCE_AGENT(8) System Manager's Manual FENCE_AGENT(8)
NAME
fence_alom - Fence agent for Sun ALOM
DESCRIPTION
fence_alom is an I/O Fencing agent which can be used with ALOM connected machines.
fence_alom accepts options on the command line as well as from stdin. Fenced sends parameters through stdin when it execs the agent.
fence_alom 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.sun.com
PARAMETERS
-o, --action=<action>
Fencing Action (Default Value: reboot)
-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
-S, --password-script=<script>
Script to retrieve password
-x, --ssh
SSH connection (Default Value: true)
-k, --identity-file=<filename>
Identity file for ssh
-4, --inet4-only
Forces agent to use IPv4 addresses only
-6, --inet6-only
Forces agent to use IPv6 addresses only
-u, --ipport=<port>
TCP port to use for connection with device
-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
--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)
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 if fencing device is running. List available plugs/virtual machines or get status of machine (if it does not support more).
metadata
The operational behavior of this is not known.
STDIN PARAMETERS
action Fencing Action (Default Value: reboot)
ipaddr IP Address or Hostname This parameter is always required.
login Login Name This parameter is always required.
passwd Login password or passphrase
passwd_script
Script to retrieve password
secure SSH connection (Default Value: true)
identity_file
Identity file for ssh
inet4_only
Forces agent to use IPv4 addresses only
inet6_only
Forces agent to use IPv6 addresses only
ipport TCP port to use for connection with device
verbose
Verbose mode
debug Write debug information to given file
version
Display version information and exit
help Display help and exit
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_alom (Fence Agent) 2009-10-20 FENCE_AGENT(8)