Red Hat ENTERPRISE LINUX 4.5.0 - Guia do Utilizador descarregar pdf (Página 66)

The presence designated at timeout period, you can confirm it in having

explanation or not of watchdog-timeout of "man watchdog.conf".

[In the case of the watchdog package which cannot appoint timeout period]

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watchdog-device = /dev/watchdog

interval = 30

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[In the case of the watchdog package which can appoint timeout period]

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watchdog-device = /dev/watchdog

interval = 30

watchdog-timeout = 180 -> Appoint timeout period with number of seconds.

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In this case appoint 180 seconds.

* Set Update Interval by the number of seconds in ‘interval=’.

In this case Update Interval is 30 seconds

3-2) Set that WDT Update program is possible to start automatically.

# chkconfig watchdog on

watchdog package is not installed

3-1) Referring to the following and create WDT Update program.

The file name is assumed to be "ResetWDT" in this case.

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#!/bin/sh

while true

/usr/bin/ipmitool raw 0x6 0x22 > /dev/null 2>&1

sleep 30

done

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* Set Update Interval by the number of seconds in ‘sleep=’.

Update Interval is 30 seconds in this case.

3-2) Copy WDT Update program to /usr/sbin.

# install -p -m 755 ResetWDT /usr/sbin

3-3) Refer to the following and create WDT Update program script.

The file name is assumed to be "watchdog" in this case.

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#! /bin/sh

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Red Hat ENTERPRISE LINUX 4.5.0 - Guia do Utilizador Página 66