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4.30. WTI Power Switch
Table 4.31, “WTI Power Switch” lists the fence device parameters used by
fence_wti, the fence agent for the WTI network power switch.
| luci Field | cluster.conf Attribute | Description |
|---|---|---|
| Name | name | A name for the WTI power switch connected to the cluster. |
| IP Address or Hostname | ipaddr | The IP or address or host name assigned to the device. |
| IP Port (optional) | ipport | The TCP port to use to connect to the device. |
| Login | login | The login name used to access the device. |
| Password | passwd | The password used to authenticate the connection to the device. |
| Password Script (optional) | passwd_script | The script that supplies a password for access to the fence device. Using this supersedes the parameter. |
| Force command prompt | cmd_prompt | The command prompt to use. The default value is ['RSM>', '>MPC', 'IPS>', 'TPS>', 'NBB>', 'NPS>', 'VMR>'] |
| Power Wait (seconds) | power_wait | Number of seconds to wait after issuing a power off or power on command. |
| Power Timeout (seconds) | power_timeout | Number of seconds to continue testing for a status change after issuing a power off or power on command. The default value is 20. |
| Shell Timeout (seconds) | shell_timeout | Number of seconds to wait for a command prompt after issuing a command. The default value is 3. |
| Login Timeout (seconds) | login_timeout | Number of seconds to wait for a command prompt after login. The default value is 5. |
| Times to Retry Power On Operation | retry_on | Number of attempts to retry a power on operation. The default value is 1. |
| Use SSH | secure | Indicates that system will use SSH to access the device. When using SSH, you must specify either a password, a password script, or an identity file. |
| SSH Options | ssh_options | SSH options to use. The default value is -1 -c blowfish. |
| Path to SSH Identity File | identity_file | The identity file for SSH. |
| Port | port | Physical plug number or name of virtual machine. |
Figure 4.23, “WTI Fencing” shows the configuration screen for adding a WTI fence device
Figure 4.23. WTI Fencing
The following command creates a fence device instance for a WTI fence device:
ccs -f cluster.conf --addfencedev wtipwrsw1 agent=fence_wti cmd_prompt=VMR> login=root passwd=password123 \ power_wait=60
The following is the
cluster.conf entry for the fence_wti device:
<fencedevices> <fencedevice agent="fence_wti" cmd_prompt="VMR>" ipaddr="192.168.0.1" login="root" name="wtipwrsw1" \ passwd="password123" power_wait="60"/> </fencedevices>
